USB3.1 Enhanced SuperSpeed PCI Express Host Card
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keyword “USB2311C” or “USB2312C” for manual & driver update.
USB3.1 Enhanced SuperSpeed
PCI Express Host Card
with Type-C Receptacle
User Manual
Hardware Guide
SUNIX USB2311C (/USB2312C) is a 1 (/2)-port Super-Speed USB3.1 PCI Express
card, and it’s compliant with the PCI Express Generation 3 specification for host
PC system. Based on USB Type-C pure DFP (Downstream Facing Port) mode, it
works up to 10 Gbps for data transfer when connecting to USB 3.1 compliant
peripherals, while maintaining compatibility with existing USB peripheral
devices. USB3.1 performance is 2 times faster than USB3.0, and 20 times faster
than USB2.0 connectivity.
Hardware Installation
Follow the instruction given below to install the PCI Express Card:
1.Turn your computer off and remove the power plug from the plug socket.
2.Remove the cover from the computer case.
3.Remove the metal cover plate on the rear of a free PCI Express slot (e.g. PCIex16).
4.Insert the card into one free PCI Express slot and screw it firmly on the bracket side.
Plug SATA Power cable (from PC’s Power Supply) to the add-on card’s SATA port.
5.Place the cover back onto the computer.
6.Insert the plug into the plug socket.
USB2311C - 1-port USB3.1 PCIe Host Card :
PCI Express Spec 3.0, Single-Lane (x1)
PCI Express USB3.1 Host controller, Asmedia ASM1142
USB Standard
eXtensible Host Controller Interface (xHCI) Rev1.1
Assigned by System
USB Communication
No. of Port
PCB Connector
With USB Type-C Receptacle, SUNIX USB3.1 host card sports reversible plug
orientation and cable direction, which means that users will no longer need to be
concerned with plug orientation/cable direction, making it easier to plug in. The
new connector is smaller and thinner design, but drive higher power output
capacity to USB device. USB Type-C port supports 5VDC@3000mA power output
to USB device with over current protection on each USB port. This card is an ideal
choice for external storage devices, digital cameras, webcam, video devices, and
all other USB electronic devices.
Output Capacity
No part of this publication may be reproduced, transcribed, stored in a retrieval system,
translated into any language, or transmitted in any form or by any means, photocopying,
manual, or otherwise, without prior written permission from SUNIX Co., Ltd.
Power Consumption
SUNIX Co., Ltd. Shall not be liable for any incidental or consequential damages resulting
from the performance or use of this equipment.
SUNIX Co., Ltd. makes no representations or warranties regarding the contents of this
manual. Information in this manual has been carefully checked for reliability; however, no
guarantee is given as to the correctness of this content. In the interest of continued product
improvement, this company reserves the right to revise the manual or include change in the
specifications of the product described within it at any time without notice and without
obligation to notify any person of such revision or changes. The information contained in
this manual is provided for general use by the customers.
SUNIX is a registered trademark of SUNIX Co., Ltd.
Other registered marks used herein are for identification purposes only and may be
trademarks of their respective owners.
Package Checklist
1 External USB3.1 Super-speed+ Type-C Female port
Please Check if the following items are present and in good condition upon opening
your package. Contact your vendor if any item is damaged or missing.
2 Power Sourcing Connector SATA Type
Optional Accessory (product dependent):
USB Type-C (Male) to Type-A (Female) Dongle
• One available x1, x4, x8 or x16 PCI Express slot. (Recommend PCI Express Gen3)
• Microsoft Windows 7, 8.x and 10 operation system.
• INTEL Core i Processor with 4GB DDR RAM or above.
• CD/DVD-ROM drive for driver installation, or
user can download driver from SUNIX Website.
USB2312C: 2-port
USB3.1 USB Type-C port (Downstream Facing Port)
±8KV IEC61000-4-2 Air Gap Discharge
±4KV IEC61000-4-2 Contact Discharge
SATA Power Connector Type
USB Type-C Port: +5VDC / Maximum 3.0A / each port
Note: Total power output capacity will be limited by system power supply.
1.1 W @ 3.3V (board only without power output to USB device)
3 PCI Express x1 Gold Finger
1. In order to output effieient +5VDC power to USB device, be sure to plug SATA power
cable (from PC’s power supply) into USB3.1 card’s SATA power connector.
2. In order to get USB3.1 SuperSpeed+ performance, please use PCI Express
Generation3 slot for card installation. Or only get half of the data transfer rate.
• PCI Express Base Specification Revision 3.0 single-lane ( x1).
• Compliant with Universal Serial Bus 3.1 specification Gen2.
• Compliant with xHCI (eXtensible Host Controller Interface) SPEC Rev 1.1.
• Supports simultaneous operation of multiple USB 3.1, 3.0, 2.0 & 1.1 devices.
• Supports USB data transfer rate of 10G/5G/480/12/1.5 Mbps.
• Expands single external USB3.1 Super-Speed+ Type-C port (DFP) on the system.
• Each USB port supplies maximum +5VDC / 3000mA power output to USB device.
• Built-in over current protection on the USB port.
• Support device remote wakeup function from USB keyboard or mouse.
• Hot-swapping feature allows connect/disconnect USB devices.
• Driver supports for Microsoft Windows 7, 8.x and 10 operation systems.
• Certified by Electromagnetic Compatibility (CE, FCC, VCCI, C-Tick, BSMI).
• Green Product meets RoHS standard and Low Power consumption.
Windows 7 (X86/X64)
Windows 8.x / 10 (X86/X64) (Windows in-box driver)
Operation Temperature
0 to 60°C (32 to 140°F)
Operation Humidity
5 to 95% RH
Storage Temperature
-20 to 70°C (-4 to 158°F)
Standards and Certifications
Safety First:
EUR: CE, EN55022 Class B, EN55024, EN61000-3-2, EN61000-3-3
To avoid damaging, make sure to discount power
connection before wiring or disposing USB3.1 card
US: FCC Part 15 Class B
Unplugging or ejecting a devices without first stopping them can often cause your
computer to crash and lose valuable data. To safely unplug or eject any of the USB
devices, always use “Safely Remove USB Device” icon on the taskbar to quickly unplug
or eject your USB devices.
System Requirement
USB2311C: 1-port
Driver Support
1. USB3.1 PCI Express Host Card: (product dependent)
* USB2311C - 1-port USB3.1 PCIe Host Card with Type-C Receptacle or
* USB2312C - 2-port USB3.1 PCIe Host Card with Type-C Receptacle
2. CD Driver
3. User's Manual (this document)
High Speed(480Mbps), Full Speed(12Mbps), Low Speed (1.5Mbps)
Over Current Protection USB Type-C Port: +5VDC / Maximum 3.7A / each port
w w w. s u n i x . c o m
Copyright© 2014 SUNIX Co., Ltd. All Rights Reserved.
Super Speed+ (10Gpbs), Super Speed(5Gpbs)
USB2312C - 2-port USB3.1 PCIe Host Card :
Universal Serial Bus 3.1 / 3.0 / 2.0 / 1.1
Physical Characteristics
PCB Dimension
65.3 x 68.5 mm
Standard 120 mm (Low Profile 80mm)
Bracket Space
To comply with status of most motherboard’s available PCIex1 expansion slot, this
USB3.1 host card adopts the PCIe Gen3/x1 (8Gb/s) interface connector design.
However, most PC system does not support PCIe Gen3 specification, but only PCIe
Gen2x1 (5Gb/s) performance. So that SUNIX USB3.1 host card could not sport full-power
performances (10Gb/s). Please contact with your PC vendor for system detail
Safely remove USB Mass Storage Device - Drive(G:)
12:00 PM
To satisfy USB3.1 10Gb/s SuperSpeed+ highest performance, please pick SUNIX
USB2312 (USB3.1 PCIe add-on card with 2-port USB Type-A Receptacle) that adopts PCIe
Gen2/x2 (10Gb/s) interface connector design. User has to plug USB2312 add-on card
into PCIe x16 (or x4 above) slot on the mainboard, such as graphics add-on card
Driver Installation
Hardware Verify
Regulatory Compliance
SUNIX USB3.1 PCIe Host card design bases on Microsoft Windows operation systems.
The table in this topic provides the operating system for the driver support lists.
Click on the “Device Manager” tab in the Windows Control Panel
Q 1. If card and devices connected to the computer do not seem to be working properly,
please perform below basic troubleshooting steps:
Ans:a. Check that all cables are correct and securely connected.
b. Make sure USB device’s power is turned on.
c. Make sure the devices are getting enough power they require.
d. Make sure there is no problem with the card installation.
e.Make sure to plug SATA Power cable (from PC's Power Supply) to the add-on card's SATA port.
FCC Class B Declaration
Operating System
USB3.1 Driver
Start > Control Panel > Device Manager
Windows 10
Windows 8 / 8.1
Driver Free
Microsoft Windows in-box driver (with UASP).
Windows Server 2012R2
User has to install additional USB3.1 driver.
Driver is Necessary
* Asmedia USB3.1 Host IC Driver (without UASP).
* USB3.1 Host Diver
Windows Server 2008R2 * Microsoft USB Hotfix * Microsoft USB Hotfix Diver KB 2581464.
Windows 7
Windows XP
Windows Vista
Do NOT support
USB Driver implemented USB3.0 performance only.
Do NOT support
USB Driver implemented USB3.0 performance only.
Linux Kernel 2.6.31 or later includes USB3.0 driver.
Do NOT support
Do NOT support
Do NOT support
Do NOT support
Windows Server 2003
Please note that Microsoft® USB Hotfix driver has to install separately on Win7 and 2008R2.
Due to Microsoft® licensed issue, driver package is not included, user can go to Microsoft
official website ( and search keyword “KB 2581464” to
download driver package.
Under Win7 and 2008 OS, entry Universal Serial Bus controllers catalog, and “ASMedia
XHCI1.1 Controller” shows in the device manager.
Universal Serial Bus controllers
Generic USB Hub
Intel(R) 7 Series/C216 Chipset Family USB Enhanced Host
(3) Specify driver installation folder in system and click “Next” to continue
Click “Finish” to end of the driver installation steps.
Under Win10, 8.x and 2012 OS, entry Universal Serial Bus controllers catalog, and “ASMedia
USB3.0 eXtensible Host Controller - 0110 (Microsoft)” shows in the device manager.
USB3.0 description will be updated at the next Microsoft driver hot-fix.
Universal Serial Bus controllers
ASMedia USB3.0 eXtensible Host Controller - 0110 (Microsoft)
Generic USB Hub
(1) Please insert the attached CD into your DVD ROM and click Setup.exe.
User also can go to SUNIX website to download least driver verison.
Generic USB Hub
Intel(R) 7 Series/C216 Chipset Family USB Enhanced Host
: \ USB \ USB3.1 \ Asmedia \ Setup.exe
Driver Uninstall
Click on the “Programs and Features” tab in the Windows Control Panel
(2) Click “Next” to continue.
Please check accept license agreement box, and click “Next” to continue.
Start > Control Panel > Programs and Features
and Features
Entry Uninstall or change a program page, and double click “ASMedia USB Host
Controller Driver” to process driver uninstallation procedure.
Uninstall or change a program
To uninstall a program, select it from the list and then click Uninstall, Change, or Repair.
Q 3. How to deal with there is a yellow exclamation point on controller?
Other devices
Universal Serial Bus (USB) Controller
ASMedia XHCI 1.1 Controller
Generic USB Hub
Asmedia USB3.1 host controller driver is necessary under Microsoft Windows 7 and Server
2008R2 operation system. Please install driver as below steps:
Q 2. Computer failed to start after inserting the USB3.1 PCI Express card.
Ans: Turn off the computer, remove the USB3.1 PCI Express card, and try to restart the
computer. If the computer starts successfully, it means that the card has not been
inserted into the PCI Express slot correctly. Please clean PCI golden finger by rubber
firstly, then change another PCI-E slot!
Ans:a. Please shutdown your computer and move the card to another available slot then
re-install USB3.1 driver.
b. Please point on this device then right-check on the mouse.
Selecting "Update Driver" to renew USB driver.
c. This exclamation point usually means there is a resource conflict between the this
card and another card in your system. Please move the card to another available slot.
Restart your computer. Windows will re-configure itself and re-assign resources.
Check your device manager again.
Q 4. The USB cable has been extended and the device no longer works.
Ans: The length of the USB3.1 cable must not exceed 1.0 meters. Please do not extend the
cable or a USB repeater must be used if the cable is longer than 1.0 meters. The longer
cable causes poor performance.
Operation of this equipment in a residential area is likely to cause harmful interference in
which case the user will be required to correct the interference at his own expense.
Modifications not authorized by the manufacturer may void users authority to operate this
This equipment meets the requirements of EC Electromagnetic Compatibility Directive
(2004/108/EC and 2014/30/EC)
WEEE Information
For EU (European Union) member users: According to the WEEE (Waste electrical and
electronic equipment) Directive, do not dispose of this product as household waste or
commercial waste. Waste electrical and electronic equipment should be appropriately
collected and recycled as required by practices established for your country. For
information on recycling of this product, please contact your local authorities, your
household waste disposal service or the shop where you purchased the product.
Contact Information
Customer satisfaction is our number one concern, and to ensure that customers receive
the full benefit of our products, SUNIX services has been set up to provide technical
support, driver updates, product information, and user’s manual updates.
Q 5. Is it possible to connect current USB 1.1, 2.0, 3.0 devices to the USB 3.1 PCIe card?
Ans: Yes it works. Device will not obtain the USB 3.1 10G top performance, but depends on
your USB 3.0/2.0 device.
Q 6. I could not get USB3.1 top performance?
Ans: USB3.1 PCIe Card benchmark performs up to 700~750MB/s with SSD (Solid State
Drive) RAID 0 structures. So please check your USB3.1 device could satisfy USB3.1
Q 7. Will my USB 3.0/2.0 device raises performance when connecting with USB3.1 card?
Ans: USB3.1 card provides higher USB communicating bandwidth between PC desktop
and USB device. However USB device implements performance limits on your USB
device data throughput capacity itself.
Q 8. How come ASMedia USB3.0 eXtensible Host Controller - 0110 (Microsoft) shows in
the device manager, instead of USB3.1 description.
Ans: USB3.1 card uses Windows in-box driver under Windows10, 8.x and 2012 operation
system, and it shows default USB description. Microsoft will fix this issue at the next
USB driver update. However user still can distinguish USB3.1 and USB3.0 controller by
following descriptions.
USB3.1 = eXtensible Host Controller Ver 1.1 Controller = 0110 (Microsoft)
USB3.0 = eXtensible Host Controller Ver 1.0 Controller = 0100 (Microsoft)
This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses and can radiate radio frequency energy and,
if not installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications.
Q 9. How to enable UASP (USB Attached SCSI Protocol) feature under Windows 7 ?
Ans: USB3.1 host controller driver does not support UASP feature. We recommend user
upgrade operation system to Windows 10, 8.x or 2012 version that Windows in-box
driver includes UASP feature.
Q 10. USB device can NOT source power from the host card.
Ans: To output efficient 5VDC power to USB device, make sure to plug SATA Power cable
(from PC's Power Supply) to the add-on card's SATA port. This USB3.1 card does NOT
support USB Power Delivery Protocol.
Copyright© by SUNIX Co., Ltd. All brand names and trademarks
are the rigistered property of their respective owners.
E-mail for technical support:
Website for product information:
Te l : +886-2-8913-1987
Fax: +886-2-8913-1986
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