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Go to StarTech.com2-Port USB 3.1 (10Gbps) Card - 1x USB-C, 1x USB-A - PCIe
Upgrade your computer to the 10Gbps speed of USB 3.1 Gen 2, by adding both USB Type-C and USB Type-A ports
Product ID: PEXUSB311A1C
- Enjoy the faster speed of USB 3.1 devices, with up to 10Gbps throughput
- Diversify the overall USB capabilities of your computer by adding USB Type-C and USB Type-A ports
- Connect high-powered devices using the integrated ports and onboard SATA power connector
- Fits into standard or low-profile systems with a dual-profile design
- Fast, hassle-free setup
- Cost-effective backward compatibility, works with USB 3.0 and 2.0 devices
- PCIe x4 interface compliant with PCI Express Base Specification Revision 3.0
- Compliant with UASP (USB Attached SCSI Protocol) Revision 1.0
- Compliant with USB 3.1 Spec 1.0 and 2.0
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Overview
This USB 3.1 card helps prepare you for the next generation of USB connectivity and performance. Now you can access USB 3.1 Gen 2 devices at 10Gbps, which is twice the speed of traditional USB 3.0 devices. (USB 3.0 is also known as USB 3.1 Gen 1.)
Plus, by adding one USB-C™ and one USB-A port to your PC, you can easily connect legacy, modern, and future USB devices, regardless of the USB connector type.
Save time, with faster USB performance
This high-performance USB card is a must-have computer upgrade. By adding two 10Gbps USB ports, you can connect high-bandwidth devices and avoid the performance bottlenecks often associated with older connectivity technologies.
The PCI Express USB 3.1 card lets you transfer files and access devices faster, so you can get more work done by spending less time waiting. The higher data throughput makes the card a necessity for external hard drives, hard drive enclosures, and many other fast-access USB 3.1 peripherals.
Convenient and simple connectivity, with two types of USB ports
For connection flexibility, the card offers USB-C and USB-A ports, so you can bridge the gap between older and newer USB devices that use different connectors. Now you can simultaneously connect and access USB Type-A and USB Type-C™ devices from the convenience of one card.
By adding two types of USB ports in one combo card, you can free up space in your PC, and eliminate the nuisance of having different cards for different USB devices. Plus, you can rest assured your set for the future, as USB-C devices become more popular and more standardized.
Plenty of power for bus-powered devices
When used with the SATA power connector, the card delivers higher power output than traditional USB cards. It offers a 2-amp USB-A port, and a 3-amp USB-C port, so you can connect many bus-powered devices (for example, portable hard drives), without the need for an external power adapter.
Easy to install in different form factors
The PCIe USB 3.1 card comes equipped with a full-profile bracket, but also includes a half-height or low-profile bracket, making it easy to install in full or small form-factor desktops or servers. And, the card offers hassle-free installation, with no additional software or drivers required in many natively supported operating systems.
The PEXUSB311A1C is backed by a StarTech.com 2-year warranty and free lifetime technical support.
Note: The card does not support DP Alt Mode or USB Power Delivery.
Applications
Deploy at home or in the office, and connect the latest USB-C devices, such as HDD enclosures
Install the card as a vital hardware component when building a PC, or upgrade an older PCIe based desktop from USB 3.0 or 2.0 to USB 3.1 Gen 2 (10Gbps)
Ideal for backing up files, video editing, and data recovery using high-bandwidth USB 3.1 Gen 2 external storage solutions
Connect your legacy USB devices to your computer
Technical Specifications
Product Numbers | ||
---|---|---|
Ingram Micro New Zealand | 3144390 | |
UPC Code | 065030863568 |
Warranty Information | ||
---|---|---|
Warranty | 2 Years | |
Hardware | ||
Bus Type | PCI Express | |
Card Type | Standard Profile (LP bracket incl.) | |
Chipset ID | ASMedia - ASM1142 | |
Industry Standards | USB 3.1 Specification Rev. 1.0 USB Specification Rev. 2.0 PCI Express Base Specification Rev. 3.0 Intel xHCI Specification Rev. 1.1 UASP (USB Attached SCSI Protocol) Rev. 1.0 |
|
Interface | USB 3.1 Gen 2 | |
Port Style | Integrated on Card | |
Ports | 2 | |
Performance | ||
Maximum Data Transfer Rate | 10Gbps | |
Type and Rate | USB 3.1 Gen 2 - 10 Gbit/s | |
UASP Support | Yes | |
Connector(s) | ||
Connector Type(s) | 1 - PCI Express x4 Male | |
External Ports | 1 - USB Type-C (24 pin) USB 3.1 (10Gbps) Female | |
1 - USB 3.1 USB Type-A (9 pin, Gen 2, 10 Gbps) Female | ||
Internal Ports | 1 - SATA Power (15 pin) Plug | |
Software | ||
OS Compatibility | Windows® 7, 8, 8.1, 10 Windows Server® 2008 R2, 2012, 2016 Mac OS X® 10.9 to 10.10 Linux® 3.5 to 4.11.x LTS version only |
|
Special Notes / Requirements | ||
Note | The card's USB-C port is a standard data throughput port. It does not support DP Alt Mode or USB Power Delivery. | |
The maximum throughput of this card is limited by the bus interface. PCI Express Gen 1.0 max throughput is 2.5Gbps. PCI Express Gen 2.0 max throughput is 5Gbps. PCI Express Gen 3.0 max throughput is 10Gbps. | ||
The available bandwidth (10Gbps) is shared equally between the two ports. | ||
System and Cable Requirements | PCI Express enabled computer or server with a PCI Express x4 slot or higher (x8, x16) | |
SATA power connector | ||
Environmental | ||
Humidity | 15~90% RH (Non-condensing) | |
Operating Temperature | 5°C to 50°C (41°F to 122°F) | |
Storage Temperature | -25°C to 70°C (-13°F to 158°F) | |
Physical Characteristics | ||
Product Height | 4.7 in [120 mm] | |
Product Length | 3.6 in [92 mm] | |
Product Weight | 1.7 oz [48 g] | |
Product Width | 0.7 in [18 mm] | |
Packaging Information | ||
Shipping (Package) Weight | 4.6 oz [131 g] | |
What's in the Box | ||
Included in Package | 1 - 2-port USB 3.1 (10Gbps) card | |
1 - low-profile bracket | ||
1 - instruction manual |
Compatibility








Windows Server® 2008 R2, 2012, 2016
Mac OS X® 10.9 to 10.10
Linux® 3.5 to 4.11.x LTS version only
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6in 4 Pin Molex to SATA Power Cable Adapter
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Product Support
Drivers & Downloads
Driver(s):
-
[ASMedia ASM1142] Windows USB 3.1 Controller Card.zip
Version: 1.16.47.2 - Windows_Release_Notes.txt
Manual(s):
-
PEXUSB311A1C_manual.pdf
English
Compliance Letter(s):
Data Sheet(s)
- PEXUSB311A1C_Datasheet.pdf
English
Frequently Asked Questions
Before You Buy
USB 3.1 is the most recent version of the USB (Universal Serial Bus) standard for connecting computers and electronic devices. It is capable of data transfer speeds up to 10Gbps, and while it can use the USB-C connector type, it can also use a variety of other connector types. To achieve USB 3.1 transfer speeds, your USB host connection, cables, and device must all support USB 3.1. USB 3.1 is also known as USB 3.1 Gen 2 (10Gbps).
USB 3.0 is capable of data transfer speeds up to 5Gbps. USB 3.0 is also known as USB 3.1 Gen 1 (5Gbps).
USB 3.1 is backwards compatible with USB 3.0 and USB 2.0, except in the following scenarios:
- USB-B 3.1 cables are not compatible with USB-B 2.0 ports.
- Unless you use an adapter, USB-C ports or cables will not work with USB-A or USB-B ports or cables.
- Devices that require USB 3.1 transfer speeds of 10Gbps might not work with USB 3.0 or USB 2.0, or you might experience lower transfer speeds and impacted performance.
- Bus-powered USB devices that requires more power than what USB 2.0 can provide are not compatible with USB 2.0.
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To transfer data at speeds of 10Gbps, you need to confirm that the following components in your setup support USB 3.1:
- The USB host connection
- The USB cable
- The USB device and any subcomponents (for example, a hard drive docking station and the hard drives in the docking station)
Note: USB 3.1 is also known as USB 3.1 Gen 2 (10Gbps). Devices that support USB 3.1 should have the USB 3.1 symbol on them. If the USB 3.1 symbol does not appear on your USB source or device, refer to the information provided by the manufacturer to confirm whether the USB source or device support USB 3.1.
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USB-C is a type of USB connector that is capable of supporting the following:
- Data transfer speeds up to 10Gbps, if you use USB 3.1.
- Bi-directional power delivery up to 100W, if both the USB host connection and the device support it.
- Alternate modes, which deliver different types of data at different speeds. For example, DisplayPort Alternate Mode (DP Alt Mode).
If using Thunderbolt 3 over USB-C, the connection is capable of additional features. For example, Thunderbolt 3 is capable of 40Gbps of total bandwidth. For more information, refer to the following FAQ: https://www.startech.com/faq/thunderbolt-3-port-capabilities.
Not all USB-C ports or devices are capable of supporting all of the features listed above, or all of the features at the maximum capabilities. If you require a specific USB-C feature, your USB host connection, cables, and device must all support the feature that you require. For more information about whether your components support specific USB-C features, refer to the information provided by the manufacturers.
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Installation
Before you install the device, make sure that your operating system is current (for example, the most recent service pack is installed).
- Download the latest drivers from the StarTech.com website at www.startech.com/Support. The part number and product ID are on the product packaging.
Note: Windows usually saves the files to the Downloads folder that is associated with your user account (for example, C:\Users\your_name\Downloads).
- After the download is complete, right-click the zip folder that you downloaded, click Extract All, and complete the instructions.
- In the list of extracted files, right-click the setup.exe file and click Run as Administrator.
Note: If the Run as Administrator option is not available, you might be attempting to run the installer from within the zipped file. Complete the instructions in step 2 to extract the files.
- Complete the instructions to install the device drivers, and restart your computer when prompted to.
Your device should be ready to use.
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How to
To confirm that Windows detects your expansion card, complete the following:
- Press the Windows key+R, type devmgmt.msc, and press Enter.
- In Device Manager, under the appropriate heading, confirm that your expansion card is listed and that there isn't an exclamation mark next to it. For example, a USB controller card would be under Universal Serial Bus controllers.
Your expansion card is listed according to the name of the chipset. To determine the name of the chipset of your expansion card, navigate to www.StarTech.com and look on the Technical Specifications tab for your product.
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Troubleshooting
If the USB device does not work after your computer has been in extended hibernation, it is likely that Windows has automatically turned off the USB Root hub to save power.
The steps below outline how to configure the USB root hub to stay on during hibernation, to prevent this from happening.
Windows 10 / 8
- On your keyboard, press the Windows key + X and select Control Panel.
- Click Hardware and Sound, then click Power Options.
- Click Change plan settings for the plan you want to change.
- Click Change advanced power settings.
- Click the plus sign (+) next to “USB settings” and “USB selective suspend setting” to expand the options and change the setting to Disabled.
- Click OK to apply the setting.
Note: You may need to disconnect and re-connect your USB device after applying these settings to re-establish the connection.
Windows 7 / Vista
- Click the Start button and select Control Panel.
- Click Hardware and Sound, then click Power Options.
- Click Change plan settings for the plan you want to change.
- Click Change advanced power settings.
- Click the plus sign (+) next to “USB settings” and “USB selective suspend setting” to expand the options and change the setting to Disabled.
- Click OK to apply the setting.
Note: You may need to disconnect and re-connect your USB device after applying these settings to re-establish the connection.
Windows XP
- On your desktop, right-click the My Computer icon and select Properties.
- Click the Device Manager tab.
- Expand Universal Serial Bus controllers by clicking the arrow to the left of it.
- Right-click the first USB Root Hub device and select Properties.
- Click the Power Management tab.
- Clear the box next to Allow the computer to turn off this device to save power.
- Click OK to apply the setting.
- Repeat steps 4-7 for any remaining devices in the Universal Serial Bus Controllers section with “Root Hub” in the name.
Note: You may need to disconnect and re-connect your USB device after applying these settings to re-establish the connection.
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When you troubleshoot issues with a USB controller card, there are some quick tests that you can complete to rule out potential problems. You can test to make sure that the following components are working correctly and are not the source of the issue:
-
USB cables
-
USB devices
-
USB controller card
To test your setup components, try the following:
-
Use the USB cable, device, and controller card in another setup to see if the problem is with the components or the setup.
-
Use a different USB cable, device, and controller card in your setup to see if the problem persists. Ideally, you should test a component that you know works in another setup.
When you test your cables, it is recommended that you do the following:
-
Test each cable individually.
-
Use short cables when you are testing.
When you test the USB device and controller card, it is recommended that you do the following:
-
Press the Windows key + R, type devmgmt.msc, and press Enter to open Device Manager. Check to see if your device is listed under Universal Serial Bus controllers.
-
If you do not see the USB controller card listed in Device Manager please see this FAQ: https://www.startech.com/support/faqs/technical-support?topic=expansion-cards#pci-pcie-cannot-boot-os-or-detect-windows.
-
If the device is listed with an error, follow the instructions on the website to reinstall the drivers.
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Some USB-C controller cards do not support the reversibility of the USB-C connector, which means that some cable and host controller combinations only receive USB 3.1 speeds in one orientation. To determine if this is the cause of your issue, unplug your USB-C cable and flip the cable upside down and plug it back into the USB controller card.
Although USB-C supports transfer speeds up to 10 Gbps, all of the devices in your setup must support USB 3.1 Gen 2 (10 Gbps) in order to transfer data at that speed. The maximum data transfer speed you will experience is the fastest transfer speed that the slowest device in your setup supports.
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If your setup components support USB 3.1 but you are experiencing slower transfer speeds than you expected, consider the following:
- A USB host connection with multiple USB 3.1 ports might not be able to support 10Gbps on each port simultaneously.
- The type of port on a device does not determine whether the device is capable of USB 3.1 speeds. A USB-C port might not support USB 3.1 speeds, while USB-A and USB-B ports might support USB 3.1 speeds.
- Any other devices that you include in your setup, such as an older hard drive in a USB 3.1 enclosure, might create a point of congestion and slow down transfer speeds.
To confirm the functionality of your USB host connection, its ports, and any other devices in your setup, refer to the information provided by the manufacturer.
Note: USB 3.1 is also known as USB 3.1 Gen 2 (10Gbps). Devices that support USB 3.1 should have the USB 3.1 symbol on them. If the USB 3.1 symbol does not appear on your USB source or device, refer to the information provided by the manufacturer to confirm whether the USB source or device support USB 3.1.
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* Product appearance and specifications are subject to change without notice.
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