Product ID: PEXUSB312EIC
This 5-port USB 3.1 combo card makes it easy to add to the performance and connectivity of your computer. It’s one of the only USB 3.1 cards to offer a USB Type-C™ port (10Gbps), traditional USB Type-A ports (5Gbps), and a motherboard header.
By offering a range of USB port types, you can easily connect a variety of modern and legacy USB devices, both inside and outside your computer.
Because the card offers a 10Gbps USB-C™ port (USB 3.1 Gen 2), you can save time and avoid the performance bottlenecks that are often associated with other connectivity technologies.
This versatile PCI Express combo card leverages the performance potential of USB 3.1 to help you work faster. The USB-C port offers a data throughput of up to 10Gbps, so you can spend less time waiting for file transfers to complete or for access to your external peripherals.
Plus, you can rest assured that you’re set for the future, as USB-C devices become more popular and more standardized.
Now you can easily add a variety of types and speeds (generations) of USB ports to your desktop or server, using a single adapter card. The card features:
With a range of port types, the card lets you bridge the gap between older and newer devices that use different connectors. You can simultaneously connect and access USB Type-A and USB Type-C devices, while using only a single PCI Express expansion slot.
By adding three types of USB ports in one combo card, you can free up space in your PC case, and eliminate the nuisance of having different cards for different USB devices.
With two internal motherboard-style headers, this dynamic USB 3.1 card is perfect for upgrading or building your own computer. If your existing headers are occupied, or if you don’t have any motherboard headers, you can connect front panel hubs or card readers using this versatile alternative to costly motherboard or computer upgrades.
Connecting your older peripherals isn’t a problem. This 5-port USB 3.1 card is backward compatible with legacy USB 3.0 and 2.0 devices, so you can eliminate the added expense and aggravation of purchasing new devices. (USB 3.0 is also known USB 3.1 Gen 1).
The PEXUSB312EIC 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.
Warranty Information | Warranty | 2 Years |
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Connector(s) | 1 - Connector Type(s) | PCI Express x4 |
1 - Internal Ports | IDC (20 pin, USB 3.0, Motherboard Header) | |
2 - External Ports | USB Type-A (9 pin) USB 3.0 (5 Gbps) | |
1 - Internal Ports | SATA Power (15 pin) | |
1 - External Ports | USB Type-C (24 pin) USB 3.1 (10Gbps) | |
Environmental | Operating Temperature | 0°C to 70°C (32°F to 158°F) |
Storage Temperature | -20°C to 70°C (-4°F to 158°F) | |
Humidity | 5~95% RH (Non-condensing) | |
Hardware | Ports | 5 |
Interface | USB 3.0 | |
Bus Type | PCI Express | |
Card Type | Standard Profile (LP bracket incl.) | |
Interface | USB 3.1 Gen 2 | |
Port Style | Integrated on Card | |
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 |
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Chipset ID | ASMedia - ASM1142 VIA/VLI - VL812 |
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Packaging Information | Package Height | 1.3 in [32.0 mm] |
Package Length | 5.2 in [13.1 cm] | |
Shipping (Package) Weight | 4.4 oz [124.0 g] | |
Package Width | 6.4 in [16.2 cm] | |
Performance | Maximum Data Transfer Rate | 10Gbps |
Type and Rate | USB 3.1 Gen 2 - 10 Gbit/s | |
UASP Support | Yes | |
Type and Rate | USB 3.0 - 5 Gbit/s | |
MTBF | 50,000 Hours | |
Physical Characteristics | Weight of Product | 2.4 oz [67.0 g] |
Product Length | 3.1 in [79.3 mm] | |
Product Width | 0.7 in [18.0 mm] | |
Product Height | 4.7 in [12.0 cm] | |
Software | OS Compatibility | Windows® 7, 8, 8.1, 10 Windows Server® 2008 R2, 2012, 2016, 2019 Mac OS® 10.9 - 10.10 Linux® 3.5, 4.11.x |
Special Notes / Requirements | System and Cable Requirements | PCI Express enabled computer or server with a PCI Express x4 slot or higher (x8, x16) |
SATA power connector | ||
Note | 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 card does not support DP alt mode or USB Power Delivery. |
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What's in the Box | 1 - Included in Package | 5-port USB 3.1 combo card |
low-profile bracket | ||
quick-start guide |
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Live Chat (opens in new window)Before you install the device, make sure that your operating system is current (for example, the most recent service pack is installed).
Note: Windows usually saves the files to the Downloads folder that is associated with your user account (for example, C:\Users\your_name\Downloads).
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.
Your device should be ready to use.
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
Note: You may need to disconnect and re-connect your USB device after applying these settings to re-establish the connection.
Windows 7 / Vista
Note: You may need to disconnect and re-connect your USB device after applying these settings to re-establish the connection.
Windows XP
Note: You may need to disconnect and re-connect your USB device after applying these settings to re-establish the connection.
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.
If your setup components support USB 3.1 but you are experiencing slower transfer speeds than you expected, consider the following:
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.
To confirm that Windows detects your expansion card, complete the following:
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.
To confirm that the Mac OS detects your expansion card, complete the following:
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.
The USB expansion cards derive power from the PCI or PCI Express slot on the motherboard. When high-powered USB devices are connected to the USB expansion card, the power provided by the slot may not be enough to power all of the devices and you should connect additional sources of power. When you troubleshoot issues, you should connect an additional source of power.
Symptoms that you are experiencing power-related issues include certain devices not working correctly, not all of the devices working at the same time, and certain devices not working at all.
Examples of low-powered USB devices include USB mice, keyboards, and flash drives. An example of a high-powered USB device is an external hard drive that does not have an external source of power.
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:
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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:
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.
USB-C is a type of USB connector that is capable of supporting the following:
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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