2-Port USB PCIe Card 10Gbps/port - USB 3.1/3.2 Gen 2 Type-A PCI Express 3.0 x2 Host Controller Expansion Card - Windows/Linux

2-port USB PCIe card - ASM3142 host controller for 2x USB-A ports up to 10Gbps/port - USB 3.1/3.2 Gen 2 PCI Express 3.0 x2 expansion card - Add-on adapter card supports Multiple Ins - Opt. SATA power - Full or low-profile bracket - Win/Linux/macOS
Availability: Out of stock
Manufacturer part number: PEXUSB312A3


Brand Name
Color Black
Country of Origin China
Environmental Certification WEEE
Environmentally Friendly Yes
Form Factor Plug-in Card
Height 0.7"
Host Interface PCI Express 3.0 x4
Length 4.3"
Limited Warranty Lifetime
Manufacturer Part Number PEXUSB312A3
Manufacturer Website Address
Marketing Information

This PCIe USB 3.2 Gen 2 controller card installs into an available PCI-Express x4 slot in your computer and enables you to upgrade your current system by adding two SuperSpeed USB-A (10Gbps) ports.

Add two 10 Gbps USB Type-A Ports to Your Desktop Computer

The controller card enables you to connect two USB-A Gen 2 (10 Gbps) devices to your desktop computer. The USB-A ports are ideal for connecting USB devices such as external hard drives and solid state drives or powering and syncing your mobile devices. The USB-A ports provides up to 4.5W (5V/0.9A) of power per USB port, and are backward compatible with USB 3.2 Gen 1 (5 Gbps), and USB 2.0 (480 Mbsp) devices.

Note: USB 3.2 Gen 2 (10 Gbps) is also know as USB 3.1 Gen 2 (10 Gbps), and USB 3.2 Gen 1 (5 Gbps) is also know as USB 3.0 and USB 3.1 (5 Gbps).

SuperSpeed USB 3.2 Gen 2 (10 Gbps) Performance

The USB 3.2 Gen 2 card features an ASMedia ASM3142 host controller that utilizes x2 lanes of the PCIe 3.0 bus, making the card capable of speeds up to 10Gbps on each port, and enabling fast access to high-performance devices like NVMe drives and SSDs. The controller card supports Multiple INs to reduce bandwidth loss when multiple devices are connected, even when connected through a USB Hub (Note: The USB hub must also support this feature). The card also supports UASP for improved performance with storage devices.

Wide Installation Compatibility

This add-on card includes both full-profile and low-profile installation brackets ensuring you can install it into either a full or low-profile PCIe 3.0 x4 slot (backward compatible w/PCIe 2.0). For wide platform support the card is compatible with Windows, Linux and macOS. For hassle-free installation the drivers install automatically on computers running Windows 8 or higher. Works w/USB 3.1/3.0/2.0 devices

PEXUSB312A3 is backed by a lifetime warranty with free 24/5 multi-lingual North American based technical support. has been the IT professionals' choice for over 30 years.

Number of USB 3.1 Ports 2
Package Contents
  • USB 3.1 Card
  • Low-Profile Bracket
  • Quick Start Guide
  • Full-Profile Bracket (Pre-Installed)
Platform Supported PC
Platform Supported Linux
Platform Supported Mac
Product Name USB 3.1 Card
Product Type USB Adapter
Total Number of USB Ports 2
UASP Support Yes
Weight (Approximate) 2.80 oz
Width 4.7"