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WD Blue
™
3D NAND SATA SSD
Internal SSD Storage
User Manual
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Table of Contents
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WD Blue 3D NAND SATA SSD 2.5"/7mm Cased...........................................................9
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Average Maximum Operating Power Consumption.................................................... 11
Peak Power and Maximum Current Consumption........................................................11
WD Blue 3D NAND SATA SSD
User Manual i
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11 Regulatory Standards and Compliance....................................................22
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12 Windows Device Certifications................................................................ 24
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WD Blue 3D NAND SATA SSD
User Manual ii
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15 Supported ATA Commands...................................................................... 30
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WD Blue 3D NAND SATA SSD
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1
Preface
Typographical Conventions Used
The following typographical conventions are used in this manual:
▪
Italics
– Used to indicate a technically defined term or state.
▪ Constant width – Used to show a literal technical command or response.
Glossary of Abbreviations and Acronyms
DEVSLP
DIPM
ESD
FFU
HIPM
IOPS
LBA
LDPC
MTTF
NGFF
SLC
SMART
SSD
TBW
TLC
Device Sleep
Device Initiated Power Management
Electrostatic Discharge
Field Firmware Update
Host Initiated Power Management
Input/Output Operations Per Second
Logical Block Addressing
Low-density Parity-check
Mean Time to Failure
Next Generation Form Factor
Single Level Cell
Self-Monitoring, Analysis, and Reporting
Technology
Solid State Drive
Terabytes Written
Triple Level Cell
Preface
WD Blue 3D NAND SATA SSD
User Manual
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2
Introduction
This product manual describes the functional, mechanical, and interface specifications for the WD Blue ™ 3D NAND SATA SSD (solid-state drive).
General Description
The WD Blue 3D NAND SATA SSD delivers high performance and reliability with low power consumption in large capacities. It is based on state-of-the-art BiCS3 64L
TLC (triple level cell) flash technology and incorporates the proven tiered caching architecture designed to improve responsiveness for corporate and consumer workloads.
The WD Blue 3D NAND SATA SSD is optimized for the demanding power management requirements of Ultrathin and small form factor products. It features
Device Sleep (DEVSLP), more frequent use of low-power modes, and fast transitions between various power modes.
The WD Blue 3D NAND SATA SSD also features a robust error-handling mechanism technology which uses a page-level striping with distributed parity for an added layer of data protection. This mechanism thus recovers errors, without interrupting user data flow that other traditional error correction mechanisms cannot.
Available in either a SATA 2.5”/7mm cased or an M.2 2280 form factor, the WD Blue
3D NAND SATA SSD offers drive capacities of 250 gigabyte terabyte 2
(TB), and 2TB.
Key Features
▪ Flash Technology
◦ BiCS3 64L 3D TLC
◦ 250GB
◦ 500GB
◦ 1TB
◦ 2TB
▪ Form Factors
◦ SATA 2.5”/7mm cased: complies with SFF-8223 and SFF-8201
◦
: complies with PCI Express M.2 (NGFF) Electromechanical
Specification, rev. 1.0
2
3
4
1 1 gigabyte (GB) = 1 billion bytes. Some of the drive capacity is used for formatting and other functions and is not available for data storage.
1 terabyte (TB) = 1 trillion bytes. Available in both the 2.5”/7mm cased and M.2 2280 form factors.
Logical capacity of the drive conforms to the IDEMA HDD Specification. See www.idema.org for details. A portion of the drive capacity is not available for data storage. 1 gigabyte (GB) = 1 billion bytes. 1 terabyte (TB) = 1 trillion bytes.
250GB, 500GB, and 1TB comply with 2280-S2-B-M, while 2TB complies with 2280-S3-B-
M.
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Introduction
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◦ M.2 2280 is single-sided for all capacities
▪ Interface to Host
◦ SATA III 6Gb/s (rev. 3.2) compliant
◦ Backwards compatible with SATA II 3Gb/s and SATA I 1.5Gb/s
◦ ATA 8 command set ACS-4
◦ NCQ support up to queue depth of 32
◦ SMART support
▪ High Performance
◦ Sequential read up to: 560 MB/s
◦ Sequential write up to: 530 MB/s
◦ 4K random read up to: 95,000 IOPS
◦ 4K random write up to: 84,000 IOPS
◦ Maximum active power: less than or equal to 7,900mW
◦ Average power: 60mW
◦ Slumber low-power mode: 49.9mW - 56.5mW
◦ DEVSLP low-power mode: 4.9mW - 11.9mW
◦ Up to 500 TBW
▪ Advanced Flash Management
◦ Tiered caching architecture
◦ Error-management system
◦ TRIM command support
◦ Dynamic and static wear leveling
◦ Bad block management
◦ Background garbage collection
▪ Dynamic Thermal Throttling
◦ Performance may be throttled in order to avoid cases where the temperature exceeds the product allowable temperature envelope
◦ Three modes dependent on thermal conditions
▪ High Reliability
◦ Mean time to failure (MTTF): Up to 1,752,000 hours
◦ Uncorrectable bit error rate (UBER): 1 bit per 1016 bits read
◦ Operational and non-operational shock: 1,500G, 0.5ms half sine
◦ Operational vibration: 5gRMS, 10-2000 Hz
◦ Non-operational vibration: 4.9gRMS, 7-800 Hz
◦ Operational temperature
8 : 0˚C to 70˚C (32˚F to 158˚F)
◦
Non-operational temperature and storage 8,9
: -55˚C to +85˚C (-67˚F to 185˚F)
5
6
7
8
Performance measured for 500GB product, using CrystalDiskMark (1000MB LBA range) on SATA 6Gb/s host.
Power measured (all capacities) via MobileMark ™ 2014 @ 3.3V on SATA 6Gb/s host
(drive configured, DIPM enabled, HIPM disabled)
2TB capacity using JEDEC client workload (JESD219).
Operational temperature is defined as ambient temperature around the SSD. It is not measured from the on-board temperature sensor. It is important to note that on-board temperature sensor readings are expected to be higher than ambient temperature when the SSD is placed inside a system.
WD Blue 3D NAND SATA SSD
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Introduction
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Introduction
Functional Description
The WD Blue 3D NAND SATA SSD supports the following features:
▪ Support for multi-stream – improves user experience in multitasking systems
▪ Support for TRIM command – sustains drive’s high performance over time
▪ Minimal write amplification – increases endurance and performance
▪ Tiered caching, including use of allocated SLC blocks
▪ Support for ATA register and command set (ATA-8/ACS-4 standard)
▪ SMART feature support
▪ Error recovery using Error Correction Code (ECC)
▪ Self-management of NAND memory defects
▪ Advanced power management for low-power operation, including DEVSLP capability
▪ Error-management system - provides a last line of data protection
▪ Dynamic and static wear leveling to extend the life of the WD Blue 3D NAND
SATA SSD
Advanced Flash Management
Defect and Error Management
The WD Blue 3D NAND SATA SSD contains an enhanced defect and error management system that is similar to systems found in hard disk drives (HDDs). If necessary, the device will rewrite data from a defective block to a good block. This action is completely transparent to the host and does not consume any user data space.
The WD Blue 3D NAND SATA SSD soft error rate specification is superior to the HDD specification. In the rare case when a read error occurs, the drive uses Error
Detection Code (EDC) and Error Correction Code (ECC) algorithms to recover the data. These defect and error management systems give it unparalleled reliability.
The WD Blue 3D NAND SATA SSD also includes a robust error handling mechanism which can recover errors that other traditional error correction mechanisms cannot.
This mechanism can leverage a hardware XOR core to calculate the extra parity onthe-fly with minimal impact in performance.
Wear Leveling
Wear leveling is an intrinsic part of the erase pooling functionality. NAND-based
SSDs use dynamic and static wear leveling and automatic block management to ensure an even distribution of write/erase cycles throughout the entire device.
These processes guarantee high data reliability and maximize flash life expectancy.
Wear leveling is done between all TLC blocks and separately between all SLC blocks.
9 Non-operational storage temperature does not guarantee data retention.
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Bad Block Management
Bad blocks are occasionally created during the life cycle of a flash component.
These bad blocks must be marked and replaced dynamically in order to prevent read/write failures. When a bad block is detected, the embedded Bad Block
Mapping algorithm removes the block from future use.
Background Garbage Collection
The flash management firmware will perform internal housekeeping activities, such consolidating and flushing the SLC blocks to the TLC storage or reorganizing the data in the TLC array or SLC array. These activities are performed in the background and are transparent to the host, thus improving performance while providing a seamless user experience.
Tiered Caching
The WD Blue 3D NAND SATA SSD uses a tiered caching structure to improve write performance and endurance.
Modern operating systems typically access the storage device using small access blocks; the majority of these being 4KB. These access blocks are incongruent with the physical block size (less than 1MB) of the newer generation of flash memory technology, and writing directly to the TLC array is also slower than writing to SLC blocks. To overcome these hurdles, the WD Blue 3D NAND SATA SSD employs three storage layers:
▪ Volatile cache — DDR DRAM cache
▪ Tiered Caching structure — A non-volatile flash write cache
▪ Mass storage — TLC NAND flash
The tiered caching structure is a pool of X1 blocks which are used as write cache to accumulate and consolidate all writes at high speed. It works in the background, then flushes them into the larger X3 storage blocks and uses optimized write transaction sizes to maximize endurance.
All host data is written to X1 blocks to achieve the highest performance. Three X1 blocks are copied sequentially into one X3 block during the flush to mass storage when exceeding their threshold.
Low-Density Parity-Check (LDPC)
An enhancement introduced with the WD Blue 3D NAND SATA SSD is the lowdensity parity-check (LDPC) error correction code (ECC) technology. LDPC significantly improves reliability over the previous generation of BCH code, supports progressive levels of error correction, and runs on-the-fly using a dedicated hardware core to minimize latency and impact on overall drive performance. Consequently, it uses less power than deeper dynamic read retries.
Advanced Power Management
The WD Blue 3D NAND SATA SSD includes an advanced power management system that supports Device Initiated Power Management (DIPM). Host Initiated
Power Management (HIPM) has been disabled in the WD Blue 3D NAND SATA SSD.
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Introduction
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The device can enter in to the SATA Partial and Slumber low-power modes through
DIPM. In DIPM, the device sends a request to the host to enter into Slumber mode upon completion of any command.
The device also supports the SATA Device Sleep (DEVSLP) mode. For more information, refer to the SATA revision 3.2 specification available at www.t13.org
Introduction
WD Blue 3D NAND SATA SSD
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General Product Specifications
3
General Product Specifications
Interface
The device interface complies with the Serial ATA standard published by ANSI. It complies with the SATA 6Gb/s (rev. 3.2) specification and supports ATA-8
Command Set ACS-4. It is also backwards compatible with SATA 3Gb/s (rev. 2.0) and SATA 1.5Gb/s (rev. 1.0).
For more information, refer to the American National Standard X3.221: AT
Attachment for Interface for Disk Drives document. Order this document from IHS by calling 1-800-854-7179 or by accessing their web site: http://global.ihs.com
Hardware Configuration
The following table provides the basic hardware configuration values for the WD
Blue 3D NAND SATA SSD.
Form Factor
2.5"/7mm cased
2.5"/7mm cased
2.5"/7mm cased
2.5"/7mm cased
M.2-2280 S2
M.2-2280 S2
M.2-2280 S2
M.2-2280 S3
NAND
BiCS3 64L eX3
BiCS3 64L eX3
BiCS3 64L eX3
BiCS3 64L eX3
BiCS3 64L eX3
BiCS3 64L eX3
BiCS3 64L eX3
BiCS3 64L eX3
Capacity
250GB
500GB
1TB
2TB
250GB
500GB
1TB
Memory
4 x 2D BGA
4 x 4D BGA
8 x 4D BGA
8 x 8D BGA
4 x 2D BGA
4 x 4D BGA
4 x 8D BGA
4 x 16D BGA
Storage Capacity
The following table provides the storage capacities for the WD Blue 3D NAND SATA
SSD 2.5”/7mm cased and M.2 2280 form factors.
Unformatted
250GB
500GB
1TB
Sectors in LBA
488,397,168
976,773,168
1,953,525,168
Logical Cylinders Number of Logical
Heads
16,383
16,383
16,383
16
16
16
Logical Sectors per Track
63
63
63
10
11
12
2TB (16D) height is up to 1.5mm in soldered state
A portion of the drive capacity used for formatting and other functions is not available for data storage.
1 Sector = 512 bytes. LBA count based on IDEMA standard.
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General Product Specifications
Unformatted
2TB
Sectors in LBA
3,907,029,168
Logical Cylinders Number of Logical
Heads
16,383 16
Logical Sectors per Track
63
11
12
A portion of the drive capacity used for formatting and other functions is not available for data storage.
1 Sector = 512 bytes. LBA count based on IDEMA standard.
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4
Performance
WD Blue 3D NAND SATA SSD 2.5"/7mm Cased
Parameter Unit 250GB 500GB 1TB Queue
Depth
32 550 560 560 Sequential
Read
MB/s
MB/s Sequential
up to:
Random
Read [4KB]
up to:
IOPS
IOPS Random
Read [4KB]
up to:
Random
Write
to:
Random
Write
to:
OFF to ON
Resume
Time
IOPS
IOPS ms
1
1
32
32
32
N/A
525
10,000
95,000
32,000
81,000
100
530
10,000
95,000
32,000
84,000
100
530
10,000
95,000
32,000
84,000
100
2TB
560
530
10,000
95,000
32,000
84,000
100
WD Blue 3D NAND SATA SSD M.2 2280
Performance values for the WD Blue 3D NAND SATA SSD M.2 2280 form factor are identical to the performance values for the WD Blue 3D NAND SATA SSD 2.5"/7mm cased form factor.
Performance
13
14
Measured using CrystalDiskMark, 1000MB LBA range, on Desktop with Intel Z77 chipset,
Windows 8 with Intel iRST version 11.7.0.1013, secondary drive.
OFF to ON resume time assumes graceful shutdown. Resume time is measured from when power is applied to the time when the device is able to complete a host command, e.g., a 4KB read.
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Power Characteristics
5
Power Characteristics
This section provides the measured voltage, power, and current consumed by the
WD Blue 3D NAND SATA SSD.
Supply Voltage
Parameter
Input Voltage: 2.5"/7mm cased
Input Voltage: M.2 2280
Maximum Ripple
Maximum Supply Rise Time
Specification
5V ± 5%
3.3V ± 5%
100mV (peak to peak), 0Hz to 30MHz
100ms
Average Active Power Consumption
The
average active power consumption
16 is defined as the blended read/write/idle
power used by the drive while in operation with a commonly used operating system. It is measured using the MobileMark ® 2014 benchmark with DIPM (Device
Initiated Power Management) enabled. When DIPM is enabled, the drive is allowed to enter low-power modes during host idle times. This benchmark simulates the typical usage of user applications in a Windows environment, providing a reproducible test for measuring average active power consumption.
The following table provides the average active power and average current values for all WD Blue 3D NAND SATA SSD storage capacities (250GB, 500GB, 1TB and
2TB).
Test 250GB 500GB 1TB 2TB Form Factor Input
Voltage
2.5"/7mm cased
5V ± 5% 52mW 54mW 66mW 60mW
M.2 2280 3.3V ± 5%
Average
Power
Average
Current
Average
Power
Average
Current
10.4mA
51mW
15.4mA
10.8mA
49mW
14.8mA
13.2mA
58mW
17.5mA
12mA
60mW
18.1mA
15
16
Power measurements for WD Blue 3D NAND SATA SSD on SATA 6Gb/s host. Numbers subject to change during release.
Power measurements at 25°C. Based on firmware version with DIPM enabled. Measured using MobileMark ® 2014 on PC with Intel ® QM87 chipset, Intel ® Core ™ i5-4300M
Processor, 4GB RAM, Windows 8 64-bit.
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Power Characteristics
Average Maximum Operating Power Consumption
Average maximum operating power consumption
is measured while the WD Blue
3D NAND SATA SSD is continuously processing sequential read and write commands (tested separately) for at least 1 minute, with a transfer size of 256 sectors per command (128KB). The sampling interval is 125 milliseconds. This benchmark is designed to test the worst-case scenario, i.e., when continuous power is required by the WD Blue 3D NAND SATA SSD during long read or write command sequences.
Note: The power and current values in the following table are average maximum with 20% margin.
Test 250GB 500GB 1TB 2TB Form Factor Input
Voltage
2.5"/7mm cased
5V ± 5% Read: Power 2200mW 2050mW 2550mW 2650mW
M.2 2280 3.3V ± 5%
Read:
Current
440mA
Write: Power 2250mW
Write:
Current
450mA
Read: Power 2200mW
Read:
Current
667mA
Write: Power 2200mW
Write:
Current
667mA
410mA
3350mW
670mA
2050mW
621mA
3300mW
1000mA
510mA
3750mW
750mA
2300mW
697mA
3750mW
1136mA
530mA
3800mW
760mA
3000mW
909mA
3800mW
1152mA
Peak Power and Maximum Current Consumption
Peak power consumption
17 is the maximum instantaneous power consumption
measured while the WD Blue 3D NAND SATA SSD is continuously processing sequential read and write commands (tested separately) for at least one minute with a transfer size of 256 sectors per command (128KB). The sampling interval is
10µs (microseconds). This benchmark is designed to test the worst-case scenario, i.e., when continuous power is required by the WD Blue 3D NAND SATA SSD during long read or write command sequences.
Maximum current
refers to the maximum operating power that can be applied continuously to the WD Blue 3D NAND SATA SSD drive without harming the drive.
Note: The power and current values in the following table are average maximum with 20% margin.
17 Measured at 25°C. Power consumption can vary due to input voltage and ambient temperature variation.
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Power Characteristics
Form Factor Input
2.5"/7mm cased
M.2 2280
Voltage
5V ± 5%
3.3V ± 5%
Test 250GB
Peak Power 4300mW
Maximum
Current
860mA
Peak Power 4350mW
Maximum
Current
1318mA
500GB
5550mW
1110mA
5650mW
1712mA
1TB
7600mW
1520mA
7100mW
2152mA
2TB
7900mW
1580mA
7350mW
2227mA
Maximum In-Rush Current Power Consumption
Maximum in-rush current refers to the maximum instantaneous power consumption of the WD Blue 3D NAND SATA SSD drive after a power cycle until all voltage rails required for operation are stabilized to their nominal values on the drive. The sampling interval is 10µs (microseconds).
Form Factor
2.5"/7mm cased
M.2 2280
Input Voltage
5V ± 5%
3.3V ± 5%
Test Maximum In-Rush
1.5A
1.5A
Low Power Consumption Modes
The WD Blue 3D NAND SATA SSD supports the Partial, Slumber, and DEVSLP low
Note: Note: The power and current values in the following table are averages for a typical WD Blue 3D NAND SATA SSD drive.
Power Mode 250GB 500GB 1TB 2TB Form Factor Input
Voltage
5V ± 5% 2.5"/7mm cased
2.5"/7mm cased
2.5"/7mm cased
2.5"/7mm cased
M.2 2280
5V ± 5%
5V ± 5%
5V ± 5%
3.3V ± 5%
M.2 2280
M.2 2280
3.3V ± 5%
3.3V ± 5%
Slumber
(Power)
Slumber
(Current)
DEVSLP
(Power)
DEVSLP
(Current)
Slumber
(Power)
Slumber
(Current)
DEVSLP
(Power)
51.4mW
10.3mA
6.9mW
1.4mA
55.9mW
16.9mA
5.1mW
55.4mW
11.1mA
5.7mW
1.1mA
54.7mW
16.6mA
4.9mW
56.0mW
11.2mA
11.9mW
2.4mA
56.5mW
17.1mA
4.9mW
54.5mW
10.9mA
11.9mW
2.4mA
54.7mW
16.6mA
4.9mW
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Power Characteristics
Form Factor Input
Voltage
M.2 2280 3.3V ± 5%
Power Mode 250GB
DEVSLP
(Current)
1.6mA
500GB
1.5mA
1TB
1.5mA
2TB
1.5mA
Power Mode Transition Times
The following table specifies the transition times between the DEVSLP and active power states.
Power Mode 250GB
DEVSLP (Resume) 72ms
500GB
79ms
1TB
104ms
2TB
131ms
Graceful Power-off Requirements
On most operating systems, Write Cache is enabled by default. This is a feature of the ATA standard and is not specific to WD Blue 3D NAND SATA SSDs. There may be data residing in the WD Blue 3D NAND cache that have not been written to the flash memory. To ensure that the data is properly committed to flash memory, the
WD Blue 3D NAND requires a STANDBY IMMEDIATE command before power down.
This command instructs the WD Blue 3D NAND SATA SSD to write all of its volatile data cache to flash memory and returns a GOOD status to the host after its successful completion. This command is handled transparently by most operating systems during the shutdown sequence (e. g., hibernation, shutdown, and standby).
However, if power is lost without warning – leading to an ungraceful shutdown – data loss may occur. This may also lead to a longer power-on time for the subsequent power-up.
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6
Thermal Throttling
To protect the integrity of the data and prevent excessive heat dissipation, the
X600 3D NAND SATA SSD uses an integrated thermal sensor in the NAND to monitor its critical component temperature. If the sensor temperature rises above the allowable limit, system performance is throttled until the temperature decreases to an acceptable level. The X600 returns to full performance when the temperature returns to a normal range. This performance throttling technique acts as a safety measure.
The X600 3D NAND SATA SSD reads temperature from the integrated thermal sensor every one second. The device then autonomously decides which throttling level is required and reduces performance appropriate to the state.
The following table details the thermal throttling behavior for both the X600 3D
NAND SATA SSD 2.5”/7mm cased and M.2 2280 form factors.
Thermal Band
Thermal Throttle
State
250GB Read
≤74°C
Normal
≥75°C
Light (up to)
250
≥83°C
Heavy (up to)
150
250GB Write
500GB Read
500GB Write
1TB Read
1TB Write
2TB Read
2TB Write
Refer to
Performance
Section
Refer to
Performance
Section
Refer to
Performance
Section
Refer to
Performance
Section
Refer to
Performance
Section
Refer to
Performance
Section
Refer to
Performance
Section
Refer to
Performance
Section
60
250
60
250
60
240
70
20
140
20
140
20
150
20
≥87°C
Emergency
Shutdown
No host I/O available in this state
No host I/O available in this state
No host I/O available in this state
No host I/O available in this state
No host I/O available in this state
No host I/O available in this state
No host I/O available in this state
No host I/O available in this state
Light Thermal Throttle performance is defined has performance defined as 10% of
Normal. Heavy Thermal Throttle has performance is defined as 650% of Normal.
Emergency Shutdown is activated if device temperature is equal to or higher than
87°C for 20 seconds.
Thermal Throttling
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7
Endurance
The endurance (longevity) of the WD Blue 3D NAND SATA SSD is calculated using
JEDEC client workload (JESD219). Endurance is a direct function of user workload and access pattern. Defined in terms of terabytes written (TBW), endurance represents the amount of data that can be written to the WD Blue 3D NAND SATA
SSD during the WD Blue 3D NAND SATA SSD lifetime and varies by product capacity.
Refer to the table below.
Parameter
Endurance
250GB
100 TBW
500GB
200 TBW
1TB
400 TBW
2TB
500 TBW
Endurance
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Field Firmware Update (FFU)
8
Field Firmware Update (FFU)
Field firmware updates (FFUs) for the WD Blue 3D NAND SATA SSD, when available, are found at the following website (http://kb.sandisk.com). Download and activate these FFUs via the codes indicated in the following table.
Code
01h
03h
07h
0Eh
0Fh
All others
Subcommand
Name
Obsolete
Download with offsets, and save microcode for future use
Download and save microcode for future use
Download with offsets, and save microcode for future use
Activate downloaded microcode
Reserved
Phases Included:
Download n/a
One or more segments
One segment only Yes
One or more segments
No n/a
Phases Included:
Save n/a
Yes
Yes
No n/a
Phases Included:
Activate n/a
No
No
No
Yes n/a
18
19
Activation does not occur as part of the processing of the command but is triggered by events that occur after command completion (e.g. power cycle only).
Activation does not occur as part of the processing of the command but is triggered by events that occur after command completion (e.g. power cycle or activate firmware without power cycle with Mode F above).
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9
Physical Specifications
SATA 2.5"/7mm Cased Form Factor
The SATA 2.5"/7mm cased form factor complies with the SFF-8201 and SFF-8223 specifications.
Parameter
Width
Length
Thickness
Typical Weight
Mounting Screws
Maximum Screw Penetration
Screw Torque (nominal/max)
Specification
69.85mm ± 0.25mm
100.20mm ± 0.25mm
7.0mm ± 0.2mm/-0.5mm
▪ 250GB: 37.4g
▪ 500GB: 37.4g
▪ 1TB: 37.4g
▪ 2TB: 59.7g
M3 x 0.5 non-self-tapping or thread forming
3.5mm (0.138")
4kgf-cm/7kgf-cm
The figure below is enlarged to show detail, but is not the actual size of the form factor. This figure shows 2.5"/7mm cased full form factor (for 1TB and 2TB capacities only).
Physical Specifications
The figure below is enlarged to show detail, but is not the actual size of the form factor. This figure shows 2.5"/7mm cased one-half form factor (for 250GB and
512GB capacities only).
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Physical Specifications
M.2 2280 Form Factor
The M.2 2280 form factor complies with the PCI Express ™ M.2 Specification,
Revision 1.0. This specification is available at https://pcisig.com/specifications
Parameter
Type
Width
Length
Thickness (max)
Typical Weight
Specifications
250GB, 512GB and 1TB: M.2 2280-S2-B-M
2TB: M.2 2280-S3-B-M
22 ± 0.15mm
80 ± 0.15mm
2.23mm: 250GB, 512GB, 1TB
2.38mm: 2TB
7g ± 1g
The figure below is enlarged to show detail, but is not the actual size of the form factor.
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Physical Specifications
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10
Environmental Specifications
Temperature
Parameter
Specifications
0°C to 70°C (32°F to 158°F)
-55°C to 85°C (-67°F to 185°F)
Humidity
Parameter
Operational
Humidity (Non condensation)
Maximum wet bulb
Non-operational
Humidity (Non condensation)
Maximum wet bulb
Vibration
Parameter
Operational
Non-operational
Shock
Parameter
Operational/Non-operational
Acceleration Force
1,500G
Specifications
5% to 95%
30°C
5% to 95%
40°C
Specifications
5gRMS, 10-2000 Hz, 3 axes
4.9gRMS, 7-800 Hz, 3 axes
Half Sine Pulse Duration
0.5ms
Environmental Specifications
20
21
Operational temperature is defined as ambient temperature around the SSD. It is not measured from the on-board temperature sensor. It is important to note that on-board temperature sensor readings are expected to be higher than ambient temperature when the SSD is placed inside a system.
Non-operational storage temperature does not guarantee data retention.
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Environmental Specifications
Altitude
Parameter
Operational/Non-operational
Specifications
-1,500ft (-457m) to 40,000ft (12,192m)
Electrostatic Discharge (ESD)
Parameter
Contact
Air
Test Voltage
±4kV
8kV
Acoustics
The WD Blue 3D NAND SATA SSD does not generate any acoustic noise (0dB).
EMI/RFI Compliance
Certified Standards Compliance
FCC Part 15 Class B
IECS-003 Class B
EN 55022 Class B
EN 55024
KN 32
KN 35
CNS 13438 2006 (full version)
VCCI: VCCI rules and regulations (latest rev)
AS/NZS CISPR 22: (latest rev)
Chemical Restrictions
The WD Blue 3D NAND SATA SSD complies with:
▪ European Union’s Restriction on Use of Hazardous Substances in Electrical and
Electronic Equipment (EU RoHS) Directive 2011/65/EC
▪ European Union’s Registration, Evaluation, Authorization and Restriction of
Chemicals (REACH), Regulation (EC) 1907/2006
It also complies with China’s management methods for controlling pollution by electronic information products (China RoHS).
22 Tested per IEC 61000-4-2 Standard.
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Regulatory Standards and Compliance
11
Regulatory Standards and Compliance
The WD Blue 3D NAND SATA SSD conforms to and complies with the directives, regulations, and standards specified in the table below. The WD Blue 3D NAND
SATA SSD is certified to meet the qualification criteria of these standards and regulations.
Directives, Regulations and Standards
2014/30/EU
2014/25/EU
Description or Regulatory Parties
EMC Directive
LVD Directive
EMI/EMC Testing Directives, Regulations and
Standards
FCC Part 15 Subpart B:2012
ICES-003 Issue 5
EN 55022:2010
EN61000-3-2:2006+A1:2009+A2:2009
EN61000-3-3:2008
EN 55024:2010
EN 61000-4-2:2009
EN 61000-4-3:2006+A1:2008+A2:2010
EN 61000-4-4:2004+A1:2010
EN 61000-4-5:2006
EN 61000-4-6:2009
EN 61000-4-8:2010
EN 61000-4-11:2004
VCCI V-3/2011.04
AS/NZS CISPR 22:2009
BSMI CNS 13438:2006
Description or Regulatory Parties
FCC (United States)
Canada
Information Technology Equipment--Radio
Disturbances Characteristics-Limits and Methods of Measurement
Power Harmonics
Voltage Fluctuation
Information Technology Equipment--Immunity
Characteristics-Limits and Methods of
Measurement
Electrostatic Discharge Immunity (±8 kV Air
Discharge, ±4 kV Contact Discharge, VCP, HCP)
Radiated Electromagnetic Field Immunity
Electrical Fast Transient/Burst Immunity
Surge Immunity
Conducted Immunity
Power Frequency Magnetic Field Immunity
Voltage Dips Voltage Interruptions
VCCI (Japan)
AUS/NZ
BSMI (Republic of China)
Safety Directives, Regulations and Standards
UL 60950-1, 2nd Edition, 2007-03-27
CSA 22.2 No. 60950-1-07 2nd Edition, 2007-03
(Covered by CULus)
IEC 60950-1:2005 (Second Edition)
Description or Regulatory Parties
N. America (Information Technology Equipment -
Safety - Part 1: General Requirements)
Canada (Information Technology Equipment -
Safety - Part 1: General Requirements)
International Electrotechnical Commission
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Regulatory Standards and Compliance
Safety Directives, Regulations and Standards
EN 60950-1:2006 +A11
Description or Regulatory Parties
TUV Bauart (Germany) License ID number
1234500561
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Windows Device Certifications
12
Windows Device Certifications
HCK Certification
The WD Blue 3D NAND SATA SSD is certified with Windows HCK (Hardware
Certification Kit) for Windows 7.
Category
Product Type
Qualification Level
Device
Hard Drive
Logo - Device - Compatible with Windows 7 x32
Logo - Device - Compatible with Windows 7 x64
Logo - Device - Compatible with Windows 8.1
x32
Logo - Device - Compatible with Windows 8.1
x64
HLK Certification
The WD Blue 3D NAND SATA SSD is also certified with Windows HLK (Hardware
Lab Kit) for Windows 10.
Category
Product Type
Qualification Level
Device
Hard Drive
Logo - Device - Compatible with Windows 10 x32
Logo - Device - Compatible with Windows 10 x64
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Reliability Characteristics
13
Reliability Characteristics
Uncorrectable Bit Error Rate (UBER)
The uncorrectable bit error rate is one error per 10 16 bits read.
Mean Time to Failure (MTTF)
Mean Time to Failure (MTTF) 23 is a reliability figure that indicates the expected time
to failure of non-repairable electronic equipment. Estimates of MTTF made using a prediction methodology based in accordance with the Telcordia Special Report
SR-332. The prediction is based on a Parts Stress Analysis.
Quality levels were defined as industrial grade (I) for all of the components. The detailed prediction for the system was performed at a temperature of 25°C in a GB
(ground, benign) environment.
The MTTF for all WD Blue 3D NAND SATA SSD form factors and storage capacities is
1,752,000 hours.
23 Based on internal testing using Telcordia stress part testing.
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Interface
14
Interface
Supported Standards
The supported standards for the WD Blue 3D NAND SATA SSD are:
▪ SATA 6Gb/s, Revision 3.2
▪ ATA-8 Command Set ACS-4
SATA Pin Assignments: Signal
Pin #
S4
S5
S6
S7
S1
S2
S3
Assignment
GND
A+
A-
GND
B-
B+
GND
Description
2nd mate
RxP
RxM
2nd mate
TxM
TxP
2nd mate
SATA Pin Assignments: Power
Pin #
P1
P2
P3
Assignment
V33
V33
DEVSLP
P8
P9
P10
P11
P12
P4
P5
P6
P7
V5
V5
GND
DAS
GND
GND
GND
GND
V5
Description
Not connected
Not connected
Device sleep, high signal driven by the host to shut down the
SATA interface completely.
1st mate
2nd mate
3rd mate
5V power input, pre-charge,
2nd mate
5V power input
5V power input
2nd mate
Device Activity Signal
1st mate
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Interface
Pin #
P13
P14
P15
Assignment
V12
V12
V12
Pin #
21
22
23
17
18
19
20
13
14
11
12
15
16
24
25
26
27
28
29
8
9
10
6
7
4
5
1
2
3
M.2 Pin Assignments
Assignment
Presence Detection
+3.3V
GND
+3.3V
DAS/DSS#
OC SSD
GND
WD Blue 3D NAND SATA SSD
User Manual
Description
Not connected
Not connected
Not connected
Description
Pulled low by device
3.3V Source
Return Current Path
3.3V Source
No Connect
No Connect
No Connect
No Connect
No Connect
Device Activity
No Connect
Mechanical Notch B
Mechanical Notch B
Mechanical Notch B
Mechanical Notch B
Mechanical Notch B
Mechanical Notch B
Mechanical Notch B
Mechanical Notch B
No Connect
GND = SSD
No Connect
No Connect
No Connect
No Connect
Return Current Path
No Connect
No Connect
27
39
40
41
42
43
54
55
56
50
51
52
53
44
45
46
47
48
49
57
58
59
60
61
62
Pin #
30
31
32
33
34
35
36
37
38
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Assignment
GND
DEVSLP
GND
+B - TXP
-B - TXN
GND
-A - RXN
+A - RXP
GND
GND
Description
No Connect
No Connect
No Connect
Return Current Path
No Connect
No Connect
No Connect
No Connect
Device Sleep, High Signal driven by the host shuts down the
SATA interface completely.
Return Current Path
No Connect
Transmitter Differential Signal
Pair
No Connect
Transmitter Differential Signal
Pair
No Connect
Return Current Path
No Connect
Receiver Differential Signal Pair
No Connect
Receiver Differential Signal Pair
No Connect
Return Current Path
No Connect
No Connect
No Connect
No Connect
No Connect
Return Current Path
No Connect
Mechanical Notch M
Mechanical Notch M
Mechanical Notch M
Mechanical Notch M
Interface
28
71
72
73
67
68
69
70
74
75
Pin #
63
64
65
66
PEDET
+3.3V
GND
+3.3V
GND
+3.3V
GND
Assignment Description
Mechanical Notch M
Mechanical Notch M
Mechanical Notch M
Mechanical Notch M
No Connect
No Connect
Ground = SATA
3.3V Source
Return Current Path
3.3V Source
Return Current Path
3.3V Source
Return Current Path
Interface
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Supported ATA Commands
15
Supported ATA Commands
Command Set
The following table defines the common ATA commands supported by the WD
Blue 3D NAND SATA SSD. Specifics of each ATA command's operation can be found in the ATA/ATAPI Command Set ACS-4 Specification which is available at: http://www.t13.org
Command Name
Check Power Mode
Data Set Management
TRIM
Accessible Max Address Configuration
Sub-command: Get Native Max Address EXT
Sub-command: Set Accessible Max Address EXT
Sub-command: Freeze Accessible Max Address EXT
Download Microcode/Download Microcode DMA
Sub-command: Download with offsets and save microcode for immediate and future use
Sub-command: Download (without offsets) and save microcode for immediate and future use
Sub-command: Download with offsets and save microcode for future use
Sub-command: Activate downloaded microcode
Execute Device Diagnostic
Flush Cache
Flush Cache Ext
Identify Device/Identify Device DMA
Idle
Idle Immediate
Initialize Drive Parameters
Read Buffer/Read Buffer DMA
Read DMA
Read DMA Ext
Read DMA w/o Retry
Read FPDMA Queued
Read Log Ext/Read Log DMA Ext
Sub-command: Log Directory
ATA8
Retired/M
Obs/O
O
O/O
O
O
O
Obs
O/O
Obs
O
O/O
M
O
O
M/Obs
Retired/M
Retired/M
91h
E4h/E9h
C8h
25h
C9h
60h
2Fh/47h
00h
0Fh
90h
E7h
EAh
ECh/EEh
97h/E3h
95h/E1h
Code
98h/E5h
05h/06h
01h
78h
0000h
0001h
0002h
92h/93h
03h
07h
0Eh
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Command Name
Sub-command: Extended Comprehensive SMART Error Log
Sub-command: Device Statistics Logs
Sub-command: List of supported log pages
Sub-command: General Statistics
Sub-command: SSD Statistics
Sub-command: Extended SMART Self-test Log
Sub-command: NCQ Error Log
Sub-command: SATA PHY Event Counters Log
Sub-command: Identify Device Data Log
Sub-command: List of Supported Pages
Sub-command: Copy of IDENTIFY DEVICE Data
Sub-command: Capacity
Sub-command: Supported Capabilities
Sub-command: Current Settings
Sub-command: ATA Strings
Sub-command: Security
Sub-command: Serial ATA
Sub-command: Thermal Throttling Log
Read Multiple
Read Multiple Ext
Read Sectors
Read Sectors Ext
Read Sectors w/o Retry
Read Verify Sectors
Read Verify Sectors Ext
Read Verify Sectors w/o Retry
Recalibrate
Sanitize Device
Sub-command: Sanitize Status Ext
Sub-command: Crypto Scramble Ext
Block Erase Ext
Sub-command: Sanitize Freeze Lock Ext
Security Disable Password
Security Erase Prepare
Security Erase Unit
Security Freeze Lock
ATA8
SED Only
O
O
O
O
O
O
Obs
Obs
Obs
O
O
Obs
Obs
O
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02h
03h
04h
05h
06h
08h
DEh
07h
07h
10h
11h
30h
00h
01h
Code
03h
04h
00h
01h
42h
41h
1Xh
B4h
00h
11h
12h
20h
F6h
F3h
F4h
F5h
C4h
29h
20h
24h
21h
40h
Supported ATA Commands
31
Command Name
Security Set Password
Security Unlock
Seek
Set Features
Sub-command: Enable write cache
Sub-command: Set transfer mode
Sub-command: Enable Advanced Power Management
(APM)
Sub-command: Enable SATA features
Sub-command: DMA Setup FIS Auto-Activate Optimization
Sub-command: Device-initiated power state transitions
Sub-command: Software Setting Preservation
Sub-command: Device Sleep
Sub-command: Disable read look-ahead
Sub-command: Disable reverting to power-on defaults
Sub-command: Disable write cache
Sub-command: Disable Advanced Power Managment (APM)
Sub-command: Disable SATA features
Sub-command: DMA Setup FIS Auto-Activate Optimization
Sub-command: Device-Initiated Interface Power
Management
Sub-command: Software Setting Preservation
Sub-command: Device Automatic Partial-to-Slumber transitions
Sub-command: Device Sleep
Sub-command: Enable read look-ahead
Sub-command: Enable reverting to power-on defaults
Set Multiple Mode
Sleep
Smart
Sub-command: Read Attribute Values (Read Data)
Sub-command: Read Attribute Thresholds
Sub-command: Enable/Disable Attribute Autosave
Sub-command: Save Attribute Values
Sub-command: Execute Offline Immediate
Sub-command: Execute Short Self-test routine (Offline)
Sub-command: Execute Extended Self-test routine (Offline)
ATA8
O
O
Obs
M
Obs
Retired/M
O
Obs
Obs
10h
02h
03h
06h
09h
55h
66h
82h
85h
90h
02h
03h
06h
07h
Code
F1h
F2h
7Xh
EFh
02h
03h
05h
D1h
D2h
D3h
D4h
01h
02h
09h
AAh
CCh
C6h
99h/E6h
B0h
D0h
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Supported ATA Commands
32
Supported ATA Commands
Command Name
Sub-command: Execute Selective Self-test routine (Offline)
Sub-command: Abort Offline Immediate routine
Sub-command: Execute Short Self-test routine (Captive)
Sub-command: Execute Extended Self-test routine
(Captive)
Sub-command: Read Log
Sub-command: Write Log
Sub-command: Enable Operations
Sub-command: Disable Operations
Sub-command: Return Status
Sub-command: Enable/Disable Automatic Offline
Standby
Standby Immediate
Trusted Non-Data
Trusted Receive
Trusted Receive DMA
Trusted Send
Trusted Send DMA
Write Buffer/Write Buffer DMA
Write DMA
Write DMA Ext
Write DMA FUA Ext
Write DMA w/o Retry
Write FPDMA Queued
Write Log Ext/Write Log DMA Ext
Write Multiple
Write Multiple Ext
Write Multiple FUA Ext
Write Sectors
Write Sectors Ext
Write Sectors w/o Retry
Write Uncorrectable Ext
Psuedo-UECC with Logging
Flagged-UECC without Logging
ATA8
Obs
Obs
O
M
O/O
M
M
O
Obs
O
O
O/O
M
Obs
O
O
Obs
Retired/M
Retired/M
O, SED Only
O, SED Only
O, SED Only
O, SED Only
O, SED Only
Code
04h
7Fh
81h
82h
82h
C5h
39h
CEh
30h
34h
31h
E8h/EBh
CAh
35h
3Dh
82h
61h
45h
55h
AAh
D5h
D6h
D8h
D9h
DAh
D8h
96h/E2h
94h/E0h
5Bh
5Ch
5Dh
5Eh
5Fh
Legend: M = Mandatory, O = Optional, Obs = Obsolete But Supported, Retired =
Retired But Supported
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Supported ATA Commands
Identify Device Data
The following table defines the specifics of the IDENTIFY DEVICE data returned by the WD Blue 3D NAND SATA SSD.
Word Address Default Value Total Bytes
0
1-6
7-8
9
10-19
20-22
23-26
27-46
47
48
49
50
51-52
53
54-58
59
60-61
62
63
0040h
XXXXh
0000h
0000h
ASCII
6
ASCII
WDC WDSxxxxxxxxxxxxxx
8001h
4000h
2F00h
4000h
XXXXh
0007h
XXXXh
D101h
XXXXh
0000h
0007h
2
12
2
10
2
2
4
2
2
2
8
4
2
20
40
2
2
2
4
Data Field Type
Information
ATA General configuration: bitsignificant information
Obsolete/Retired/
Specific
Reserved
Retired
Serial number in ASCII
(left-justified)
Retired/Obsolete
Firmware revision in
ASCII (left-justified)
Model number in ASCII
(left-justified) for WD
Blue 3D NAND SATA
SSD. SKU without dash;
X depends on capacity and HW configuration
R/w Multiple Sector
Count
Trusted Computing feature set
LBA and MW DMA modes supported
Capabilities
Obsolete
Field validity
Obsolete
Sanitize and multiple sector setting
ATA total number of sectors addressable in
LBA mode
Obsolete
MW DMA Transfer
Modes
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83
84
85
78
79
80
81
82
86
87
75
76
77
68
69-70
71-74
66
67
Word Address
64
65
0078h
XXXXh
0000h
001Fh
870Eh
0084h
Default Value
0003h
0078h
0078h
0078h
2
2
8
2
2
2
2
2
Total Bytes
2
2
014Ch
0040h
03F0h
0110h
346Bh
7D09h
4163h
3469h
BC09h
4163h
2
2
2
2
2
2
2
2
2
2
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Supported ATA Commands
Data Field Type
Information
Advanced PIO transfer modes supported
Minimum MDMA transfer cycle time per word in ns
Recommended MDMA transfer cycle time per word in ns
Minimum PIO transfer cycle without flow control
Minimum PIO transfer cycle with IORDY flow control
Reserved
Reserved for IDENTIFY
PACKET DEVICE command
Queue Depth
SATA capabilities
SATA Additional capabilities
(0002=1.5Gb/s,
0004=3Gb/s,
0006=6Gb/s)
SATA Features
Supported
SATA Features Enabled
Major Version number
Minor Version number
Command and features sets supported #1
Command and features sets supported #2
Command and features sets supported #3
Command and features sets enabled #1
Command and features sets enabled #2
Command and features sets enabled #3
35
90
91
95
96
97
92
93
94
98-99
100-103
104
105
106
107
108
109
110
111
112-115
116
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0032h
0080h
FFFEh
0000h
0000h
0000h
0000h
0000h
0000h
XXXXh
0000h
0010h
4000h
0000h
0000h
0000h
0000h
0000h
0000h
0000h
Word Address
88
89
Default Value
207Fh
0001h
Total Bytes
2
2
2
2
2
2
2
2
2
2
4
8
2
2
2
2
2
2
2
2
2
2
Supported ATA Commands
Data Field Type
Information
ATA - Ultra DMA modes supported and selected
Time required for security erase-unit completion (all capacities complete less than 2 minutes)
Time required for enhanced security erase unit completion
Current advanced power management
(APM) value
Master Password
Identifier
COMRESET Result
Acoustic Management
Value
Stream Min Request
Size
Streaming Transfer
Time-DMA
Streaming Access
Latency
Streaming Performance
Granularity
48-bit # of LBAs
Streaming Transfer
Time-PIO
Max # 512-byte Blocks in LBA Range Entries
Physical Sector Size/
Logical
Inter-Seek Delay for
ISO-7779
WWN
WWN
WWN
WWN
Reserved
Reserved for INCITS
TR-37-2004
36
Default Value
0000h
401Ch
0000h
XXXXh
2020h
0000h
0000h
4000h
0000h
0000h
401Ch
0000h
0000h
0021h
0000h
0000h
0000h
0000h
0001h
0000h
0000h
0000h
0000h
10FFh
0000h
Word Address
117-118
119
120
121-126
127
128
129-159
160
161-175
176-205
206
207-208
209
210-211
212-213
218
219
220
221
222
214
215
216
217
223
4
4
4
2
2
30
60
2
2
12
2
2
62
2
2
2
2
2
2
2
2
2
2
Total Bytes
4
2
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Supported ATA Commands
Data Field Type
Information
Logical Sector Size
Command/Feature
Sets Supported #4
Command/Feature
Sets Enabled
Reserved
Obsolete
Security Status
Reserved Vendor-
Unique Bytes
CFA Power Mode 1
Reserved
Current Media Serial
Number
SCT Command
Transport
Reserved for CE-ATA
Alignment-logical within Physical Block
Wr/Rd/Vfy Sector
Count Mode 3
Wr/Rd/Vfy Sector
Count Mode 2
NV Cache Capabilities
NV Cache Size in
Logical Blocks (LSW)
NV Cache Size in
Logical Blocks (MSW)
NV Cache Read
Transfer Speed in MB/s
NV Cache Write
Transfer Speed in MB/s
NV Cache Options
Wr/Rd/Vfy Feature
Set-Current Mode
Reserved
Transport Major Version
Number
Transport Minor Version
Number
37
Supported ATA Commands
Word Address
224-233
234
235
236-254
255
Default Value
0000h
0001h
0080h
0000h
3BA5h
Total Bytes
20
2
2
38
2
Data Field Type
Information
Reserved for CE-ATA
Min Sector Count for
Download Microcode
Mode 3
Max Sector Count for
Download Microcode
Mode 3
Reserved
Integrity Word-
Checksum
Log Pages
The following table defines the list of supported Log Pages accessible through
SMART WRITE LOG, SMART READ LOG, READ LOG EXT and WRITE LOG EXT commands.
Log Address Total Pages
00h
01h
02h
03h
04h
06h
07h
10h
11h
30h
80-9Fh
DEh
1
1
8
1
1
1
1
1
1
2
8
16
Log Address
Description
Access
General Purpose Log
Directory
Summary SMART Error
Log
Comprehensive SMART
Error Log
Extended
Comprehensive SMART
Error Log
Device Statistics Log
SMART Self-Test Log
Extended SMART Self-
Test Log
NCQ Error Log
SATA PHY Event
Counters Log
Identify Device Data
Log
GPL, SMART Log
SMART Log
SMART Log
GPL
GPL, SMART Log
SMART Log
GPL
GPL
GPL
GPL, SMART Log
Host Vendor-specific
Logs
GPL, SMART Log
Thermal Throttling Logs GPL
WD Blue 3D NAND SATA SSD
User Manual
38
16
Ordering Information
The following table uses a generic sample SKU to explain and describe the format of a WD Blue 3D NAND SATA SSD SKU.
SKU
WDS250G1B0A-00H9H0
WDS500G1B0A-00H9H0
WDS100T1B0A-00H9H0
WDS200T1BOA-00H9H0
WDS250G1B0B-00AS40
WDS500G1B0B-00AS40
WDS100T1B0B-00AS40
WDS200T1B0B-00AS40
Details
WD Blue 3D NAND SATA SSD 2.5" 7mm 250GB
WD Blue 3D NAND SATA SSD 2.5" 7mm 500GB
WD Blue 3D NAND SATA SSD 2.5" 7mm 1000GB
WD Blue 3D NAND SATA SSD 2.5" 7mm 2000GB
WD Blue 3D NAND SATA SSD M.2 2280 250GB
WD Blue 3D NAND SATA SSD M.2 2280 500GB
WD Blue 3D NAND SATA SSD M.2 2280 1000GB
WD Blue 3D NAND SATA SSD M.2 2280 2000GB
Ordering Information
WD Blue 3D NAND SATA SSD
User Manual
39
.
WD, the WD logo, and WD Blue are registered trademarks or trademarks of
Western Digital Corporation or its affiliates in the U.S. and/or other countries. All other marks are the property of their respective owners. Pictures shown may vary from actual product. Product specifications subject to change without notice.
© 2017 Western Digital Corporation or its affiliates. All rights reserved.
Western Digital
3355 Michelson Drive, Suite 100
Irvine, California 92612 U.S.A
4779-705170-A00 August 2017
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