2-port 10Gbps USB C PCIe Card – USB 3.1 Gen 2 Type-C PCI Express Host Controller Add-On Card – Expansion Card – US

$108.49 (Incl. GST) 2-Port USB 3.2 Gen 2×1 (10Gbps) PCIe Card – USB-C SuperSpeed PCI Express 3.0 x4 Host Controller Card – USB Type-C PCIe Add-On Adapter Card – USB C Expansion Card (PEXUSB312C3)

In stock




PCI-Express USB-C Card | 10Gbps | PCIe Gen3 x4 | 2-Year Warranty

This PCIe USB 3.1 Gen 2 card installs into an available PCI-Express slot in your computer and enables you to upgrade your current system by adding two USB-C (10Gbps) ports.

Faster USB Performance 

Also known as USB 3.2 Gen 2×1, this USB 3.1 Gen 2 card adds two 10Gbps USB Type-C ports to your computer.

Utilizing an ASMedia ASM3142 chipset, this card harnesses the speed of USB 3.1 Gen 2. With higher data throughput support, this USB 3.1 Gen 2 PCIe expansion card is a necessity for external drives and many other USB 3.1 Gen 2 peripherals and includes an optional SATA power connector for high power devices. 

The card is backward compatible with USB 3.0 (5Gbps) and USB 2.0 (480mbps) devices. The card works with newer USB-C devices, but can easily support your existing USB-A peripherals using inexpensive USB Type C cables and adapters. See our Accessories Tab for supported options. 

Easy Installation 

The USB 3.1 card is compatible with Windows, Linux and macOS operating systems. The card includes both standard-profile and low-profile brackets to install in various form-factor PCs and servers. 

The Choice of IT Pros Since 1985 conducts thorough compatibility and performance testing on all our products to ensure we are meeting or exceeding industry standards and providing high-quality products to IT Professionals. Our local Technical Advisors have broad product expertise and work directly with our Engineers to provide support for our customers both pre and post-sales.  

The PEXUSB312C3 is backed by a 2-year warranty and free lifetime technical support.

The Advantage

– HIGH PERFORMANCE: USB 3.1 Gen 2 or USB 3.2 Gen 2×1 PCIe Host Controller card supports Multiple INs, maintains max bandwidth even when mixed speed devices are connected; 2x USB-C 10Gbps per port
– POWER: Expansion card w/ SATA power header supplies supplemental power to the USB Type-C ports (when motherboard power is insufficient) providing up to 5V 3A (15W) via the USB-C ports
– MAX PERFORMANCE WITH USB STORAGE DEVICES: 2-port USB-C PCIe Card adapter supports USB Attached SCSI Protocol (UASP) optimizing USB performance w/ external storage devices like SSDs, HDDs, NVMe drives

Additional information

Host interface



Output interface

USB 3.2 Gen 1 (3.1 Gen 1)



Product colour



45 g




ASMedia – ASM3142

Sustainability certificates



80 mm


122 mm


18 mm

Package width

142 mm

Package depth

173 mm

Package height

30 mm

Package weight

120 g

Expansion card form factor

Full-height / Low-profile

Operating temperature (T-T)

0 – 70 °C

Storage temperature (T-T)

-20 – 85 °C

Operating relative humidity (H-H)

20 – 80%

Windows operating systems supported

Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 11, Windows 11 x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 7 x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 x64

Linux operating systems supported


Server operating systems supported

Windows Server 2008 R2, Windows Server 2012, Windows Server 2016, Windows Server 2019

Mounting brackets included


Data transfer rate (max)

10 Gbit/s

User guide


Mac operating systems supported

Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 11.0 Big Sur, Mac OS X 12.0 Monterey, Mac OS X 13.0 Ventura

Products per master (outer) case

60 pc(s)

Master (outer) case width

380 mm

Master (outer) case length

490 mm

Master (outer) case height

320 mm

Expansion card standard

PCIe 3.0

Harmonized System (HS) code


UASP support


USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity


Sustainability compliance


Compliance certificates