Tesla-K20-Active-BD-06499-001
TESLA K20 GPU ACTIVE
ACCELERATOR
BD-06499-001_v02 | November 2012
Board Specification
DOCUMENT CHANGE HISTORY
BD-06499-001_v02
Version
Date
Authors
Description of Change
01
October 9, 2012
MC, GG,
SM
Preliminary Information (Information contained
within this document is subject to change)
02
November 9, 2012
GG, SM
•Removed “Preliminary Information” as this board
Tesla K20 GPU Active Accelerator
specification is no longer preliminary
•Removed “NVIDIA confidential”
•Updated Table 1
•Updated “Power Specifications” section
BD-06499-001_v02 | ii
TABLE OF CONTENTS
Overview ........................................................................................... 1
Key Features ..................................................................................... 2
Configuration .................................................................................... 3
Mechanical Specifications ....................................................................... 4
PCI Express System ............................................................................. 4
Tesla K20 Active Bracket ...................................................................... 5
Power Connectors ............................................................................... 6
Auxiliary 6-Pin PCI Express Power Connector ............................................ 6
Extenders ........................................................................................ 7
Power Specifications ............................................................................ 10
Power by Rail ................................................................................... 10
Energy Star Report ............................................................................. 11
Thermal Specifications ......................................................................... 12
Cooling Solution ................................................................................ 12
Support Information ............................................................................. 14
Certificates and Agencies ..................................................................... 14
Agencies ...................................................................................... 14
Languages ....................................................................................... 15
Tesla K20 GPU Active Accelerator
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LIST OF FIGURES
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Tesla K20 Active GPU Accelerator Board ......................................... 1
Tesla K20 GPU Active ................................................................ 4
Tesla K20 Active Bracket ............................................................ 5
Auxiliary 6-Pin PCI Express Power Connector .................................... 6
Long Extender with Offset .......................................................... 8
Flat Extender ......................................................................... 8
Short Extender with Offset ......................................................... 9
Active Fan Sink ...................................................................... 12
LIST OF TABLES
Table 1.
Table 2.
Table 3.
Table 4.
Table 5.
Table 6.
Table 7.
Board Configuration .................................................................. 3
6-Pin PCI Express Power Connector Pinout ....................................... 7
PCI Express Power Connectors..................................................... 10
Power by Rail ........................................................................ 10
Energy Star Report .................................................................. 11
Fan Environmental Specifications and Conditions .............................. 12
Languages Supported ............................................................... 15
Tesla K20 GPU Active Accelerator
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OVERVIEW
The NVIDIA® Tesla® K20 graphics processing unit (GPU) active accelerator board is a
PCI Express, dual-slot full height (4.376 inches by 10.5 inches) form factor computing
module comprising of a single GK110 GPU. The Tesla K20 active accelerator is designed
for workstations and offers a total of 5 GB of GDDR5 on-board memory and supports
PCI Express Gen2.
The Tesla K20 can be configured by the OEM or by the end user to enable or disable
ECC that can fix single-bit errors and detect double-bit errors. Enabling ECC will cause
some of the memory to be used for the ECC bits, so the user available memory will
decrease by 10%. On the Tesla K20, the register files, cache, and DRAM are ECC
protected.
Figure 1.
Tesla K20 Active GPU Accelerator Board
Tesla K20 GPU Active Accelerator
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Overview
KEY FEATURES
GPU
 Number of processor cores: 2496
 Processor core clock: 706 MHz
 Package size: 45 mm × 45 mm 2397-pin flip chip ball grid array (S-FCBGA)
Board
 PCI Express Gen2 ×16 system interface
 Physical dimensions: 4.376 inches × 10.5 inches, dual-slot
Display Connectors
 None
Power Connectors
 Two 6-pin PCI Express power connectors
Memory
 Memory clock: 2.6 GHz
 Memory bandwidth: 208 GB/sec
 Interface: 320-bit
●
Total board memory: 5 GB
●
20 pieces of 128M × 16 GDDR5, SDRAM
BIOS
 2Mbit Serial ROM
Tesla K20 GPU Active Accelerator
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Overview
CONFIGURATION
The Tesla K20 GPU active accelerator board is available in the following configuration
(Table 1).
Table 1.
Board Configuration
Specifications
Tesla K20
Generic SKU reference
699-22081-0204-xxx
Chip
GK110
Package size GPU
45 mm × 45 mm 2397-pin S-FCBGA
Processor clock
706 MHz
Memory clock
2.6 GHz
Memory size
5 GB
Memory I/O
320-bit GDDR5
Memory configuration
20 pieces of 128M ×16 GDDR5 SDRAM
Display connectors
None
Power connectors
Two 6-pin PCI Express power connectors
Board power
~225 W
Thermal cooling solution
Active fan sink
Form factor
Tesla Form Factor B (10.5 in length)
Weight without extender
826 grams
Available extenders
•Long Extender with Offset
•Short Extender with Offset
•Flat Extender (short)
Tesla K20 GPU Active Accelerator
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MECHANICAL SPECIFICATIONS
PCI EXPRESS SYSTEM
The Tesla K20 GPU active accelerator board (Figure 1) conforms to the PCI Express full
height (4.376 inches by 10.5 inches) form factor.
10.5 inches
4.376 inches
Figure 2.
Tesla K20 GPU Active
Tesla K20 GPU Active Accelerator
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Mechanical Specifications
TESLA K20 ACTIVE BRACKET
As shown in Figure 3, the Tesla K20 includes a vented bracket.
Figure 3.
Tesla K20 Active Bracket
Tesla K20 GPU Active Accelerator
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Mechanical Specifications
POWER CONNECTORS
The Tesla K20 GPU active accelerator board supports two 6-pin PCI Express power
connectors on the "east end" of the board.
Auxiliary 6-Pin PCI Express Power Connector
The Tesla K20 GPU active accelerator board is a high powered board solution and it
utilizes power from the PCI Express connector as well as the external power (a single 6pin PCI Express power connector is required for the Tesla K20). Figure 4 shows the
specification, and Table 5 shows the pinouts for the 6-pin external PCI Express power
connector.
Figure 4.
Auxiliary 6-Pin PCI Express Power Connector
Tesla K20 GPU Active Accelerator
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Mechanical Specifications
Table 2.
6-Pin PCI Express Power Connector Pinout
Pin Number
Description
1
+12 V
2
+12 V
3
+12 V
4
GND
5
Sense
6
GND
EXTENDERS
The Tesla K20 GPU active accelerator board provides three extender options as shown in
the following figures.
 NVPN: 320-0866-000 – Long Extender with Offset (Figure 5)
●
Card + Extender = 13.338 inches
 NVPN: 320-0867-000 – Flat Extender (Figure 6)
●
Card + Extender = 12.283 inches (312 mm) full length
 NVPN: 320-0868-000 – Short Extender with Offset (Figure 7)
●
Card + Extender = 12.283 inches (312 mm) full length
Tesla K20 GPU Active Accelerator
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Mechanical Specifications
Figure 5.
Long Extender with Offset
Figure 6.
Flat Extender
Tesla K20 GPU Active Accelerator
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Mechanical Specifications
Figure 7.
Short Extender with Offset
 Ensure the system can accommodate standard mounting of “Type B” form factor
boards using the NVIDIA extenders.
 Using the standard NVIDIA extender ensures greatest forward compatibility with
future NVIDIA product offerings.
 If the standard extender will not work, OEMs may design a custom attach method
using the extender mounting holes on the heat sink baseplate. The extender mounting
holes will vary among Tesla products, so designing for flexibility is recommended.
Tesla K20 GPU Active Accelerator
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POWER SPECIFICATIONS
The Tesla K20 GPU active accelerator board requires power from the PCI Express
connector as well as one or two auxiliary power connectors.
Table 3.
PCI Express Power Connectors
6-Pin PCIe Power
Connector #1
6-Pin PCIe Power
Connector #2
Notes
6-pin cable connected
6-pin cable connected
Supported
6-pin cable connected
Not connected
Not supported. Both 6-pin
power connectors must
always be connected.
Not connected
6-pin cable connected
Not supported. Both 6-pin
power connectors must
always be connected.
Not connected
Not connected
Not supported. Both 6-pin
power connectors must
always be connected.
POWER BY RAIL
Table 4 lists the average power (in watts) by rail numbers for the Tesla K20 GPU active
graphics while running DGEMM.
Table 4.
Power by Rail
PEX12V
PEX3V3
EXT12V
EXT12V
Total Board Power
45 W
2W
84 W
81 W
212 W
Tesla K20 GPU Active Accelerator
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Power Specifications
ENERGY STAR REPORT
Table 5 lists the energy star report for the Tesla K20 GPU active graphics board. The
Energy Star measurements have been done using NBody simulation.
Table 5.
Energy Star Report
Specification
Description
Brand
Tesla K20
GPU
GK110
Board
P2081
SKU
204
Clocks
•706 MHz (core)
•2.6 GHz (memory)
Frame buffer
320-bit
Memory
GDDR5 SGRAM
PEX
×16
Idle power: ASPM OFF
13.9 W
Idle power: ASPM ON
14.1 W
Maximum power: ASPM OFF
143.55 W
Maximum power: ASPM ON
144.2 W
Tesla K20 GPU Active Accelerator
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THERMAL SPECIFICATIONS
COOLING SOLUTION
NVIDIA has designed an active fan sink (Figure 8) to cool the GPU, memories and
power components. For fan and environmental specifications refer to Table 6.
Figure 8.
Active Fan Sink
Table 6.
Fan Environmental Specifications and Conditions
Tesla K20 GPU Active Accelerator
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Thermal Specifications
Specifications
Conditions
Rated voltage
12 V
Operating voltage
10.8 to 12.6 V DC
Rated current
0.86 Amp (maximum 1.80 Amp)
Rated power
10.32 W (maximum 21.60 W)
Speed
5000 RPM
Life expectancy
50,000 hours continuous operation at 55 °C
with 15 to 65% RH
Operating temperature
-10 °C to 70 °C
Storage temperature
-40 °C to 75 °C
Operating humidity
5% to 90% RH
Storage humidity
5% to 95% RH
Tesla K20 GPU Active Accelerator
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SUPPORT INFORMATION
CERTIFICATES AND AGENCIES
Agencies
 Australian Communications Authority and Radio Spectrum Management Group of
New Zealand (C-Tick)
 Bureau of Standards, Metrology, and Inspection (BSMI)
 Conformité Européenne (CE)
 Federal Communications Commission (FCC)
 Industry Canada - Interference-Causing Equipment Standard (ICES)
 Korean Communications Commission (KCC)
 Underwriters Laboratories (cUL)
 Voluntary Control Council for Interference (VCCI)
Tesla K20 GPU Active Accelerator
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Support Information
LANGUAGES
Table 7.
Languages Supported
Windows 7 (64-Bit),
Windows Server
2008 and Windows
Server 2008 R2
Linux
English (US)
X
X
English (UK)
X
Arabic
X
Chinese, Simplified
X
Chinese, Traditional
X
Danish
X
Dutch
X
Finnish
X
French
X
French (Canada)
X
German
X
Italian
X
Japanese
X
Korean
X
Norwegian
x
Portuguese (Brazil)
X
Russian
X
Spanish
X
Spanish (Latin America)
X
Swedish
X
Thai
X
Note: NVIDIA’s CUDA™ software is only supported in English (U.S.)
Tesla K20 GPU Active Accelerator
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Notice
ALL NVIDIA DESIGN SPECIFICATIONS, REFERENCE BOARDS, FILES, DRAWINGS, DIAGNOSTICS, LISTS, AND OTHER
DOCUMENTS (TOGETHER AND SEPARATELY, “MATERIALS”) ARE BEING PROVIDED “AS IS.” NVIDIA MAKES NO
WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO THE MATERIALS, AND
EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTABILITY, AND FITNESS FOR
A PARTICULAR PURPOSE.
Information furnished is believed to be accurate and reliable. However, NVIDIA Corporation assumes no
responsibility for the consequences of use of such information or for any infringement of patents or other
rights of third parties that may result from its use. No license is granted by implication of otherwise under
any patent rights of NVIDIA Corporation. Specifications mentioned in this publication are subject to change
without notice. This publication supersedes and replaces all other information previously supplied. NVIDIA
Corporation products are not authorized as critical components in life support devices or systems without
express written approval of NVIDIA Corporation.
Trademarks
NVIDIA, the NVIDIA logo, CUDA, and Tesla are trademarks and/or registered trademarks of NVIDIA Corporation
in the U.S. and other countries. Other company and product names may be trademarks of the respective
companies with which they are associated.
Copyright
© 2012 NVIDIA Corporation. All rights reserved.
www.nvidia.com
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