The U3-PCIE1XG321 is an Universal Serial Bus 3.1 host controller, compliant with Intel eXtensible Hot Controller Interface specification revision 1.1, bridging PCI Express interface to two ports of USB3.1, up to 10Gbps high speed bandwidth, backward compatible with legacy USB function and devices. U3-PCIE1XG321 is a 2-port USB 3.1 to PCI Express x1 Gen 3 Host Card.

Provides USB 3.0 Vision Standard cable port lock mechanism.

Non-Latch OCP, OVP, and Thermal Shutdown.

Operates at High Efficiency Over a Wide Output-Current-Load Range.

High Frequency, Synchronous, Rectified, Step-Down, Switch-Mode Converter.

USB Bus Power Source is from PCIe 12V (12V Step-Down to 5V).

Compliant with Intel’s eXtensible Host Controller Interface (xHCI) specification Revision 1.1.

Compliant with Universal Serial Bus 3.1 specification Revision 1.0.

Compliant with PCI Express Base Specification Revision 3.0.

Host Bus: PCIe x1 Gen 3 Low Profile PCI Form Factor.In the list of USB controllers, look for any brands such as Intel, AMD, Renesas, Via, Etron, or ASMedia. In general the brands are listed as Enhanced Host Controllers, or something similar to USB 3.0 Host Controller or Root Hub.U3-PCIE1XG321 2-port USB 3.1 to PCI Express x1 Gen 3 Host Card Highlights.

In Device Manager, click the arrow or plus sign next to USB Serial Bus controllers.To check which USB controller you have on a computer running Windows, complete the following: If your computer only has ASMedia or Etron USB controllers, you can add a USB 3.0 expansion card to your desktop or laptop to work around this issue. Note: When you use a Via USB controller, you may need to get the drivers from Via's website instead of using the drivers that are automatically installed during Windows Update. There are known USB controller incompatibilities between the USB3HDCAP capture card and ASMedia and Etron USB controller cards. Intel, AMD, Renesas, and Via, are some of the USB controllers that are confirmed to work with the USB3HDCAP capture card.

Usb 3 card asmedia