StarTech.com 2-port 10Gbps USB C PCIe Card Adapter - USB 3.1 Gen 2 Type-C PCI Express Expansion Add-On Card - Windows, macOS, Linux

$67.64
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63 availableas of 09/16/2026

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Compliance, certifications and origin

  • EU RoHS
  • WEEE
  • REACH
  • RoHS
  • Origin: Taiwan
Rated excellent by our customers Read our reviews

Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

Overview

About the StarTech.com 2-port 10Gbps USB C PCIe Card Adapter - USB 3.1 Gen 2 Type-C PCI Express Expansion Add-On Card - Windows, macOS, Linux

View user manual

This PCIe USB 3.2 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 3.1 Gen 2, this USB 3.2 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 3.2 Gen 2. With higher data throughput support, this USB 3.2 Gen 2 PCIe expansion card is a necessity for external drives and many other USB 3.2 Gen 2 peripherals and includes an optional SATA power connector for high power devices.

The card is backward compatible with USB 3.2 Gen 1 (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 3.2 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

StarTech.com 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 StarTech.com Technical Advisors have broad product expertise and work directly with our StarTech.com Engineers to provide support for our customers both pre and post-sales.

The PEXUSB312C3 is backed by a StarTech.com 2-year warranty and free lifetime technical support. This PCIe USB 3.2 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 3.1 Gen 2, this USB 3.2 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 3.2 Gen 2. With higher data throughput support, this USB 3.2 Gen 2 PCIe expansion card is a necessity for external drives and many other USB 3.2 Gen 2 peripherals and includes an optional SATA power connector for high power devices. The card is backward compatible with USB 3.2 Gen 1 (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 3.2 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 StarTech.com 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 StarTech.com Technical Advisors have broad product expertise and work directly with our StarTech.com Engineers to provide support for our customers both pre and post-sales. The PEXUSB312C3 is backed by a StarTech.com 2-year warranty and free lifetime technical support.

This PCIe USB 3.2 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 3.1 Gen 2, this USB 3.2 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 3.2 Gen 2. With higher data throughput support, this USB 3.2 Gen 2 PCIe expansion card is a necessity for external drives and many other USB 3.2 Gen 2 peripherals and includes an optional SATA power connector for high power devices.

The card is backward compatible with USB 3.2 Gen 1 (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 3.2 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

StarTech.com 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 StarTech.com Technical Advisors have broad product expertise and work directly with our StarTech.com Engineers to provide support for our customers both pre and post-sales.

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

More from the manufacturer

Technical specifications

Technical Specifications of the StarTech.com 2-port 10Gbps USB C PCIe Card Adapter - USB 3.1 Gen 2 Type-C PCI Express Expansion Add-On Card - Windows, macOS, Linux

General Information

General Information specifications
Manufacturer StarTech.com
Manufacturer Part Number PEXUSB312C3
Manufacturer Website Address http://www.startech.com
Brand Name StarTech.com
Product Name 2-Port PCIe USB 3.1 Card - 2x USB-C - USB 3.1 Gen 2 Up to 10Gbps
Packaged Quantity 1 Each
Product Type USB Adapter

Technical Information

Technical Information specifications
Host Interface PCI Express x4

Media & Performance

Media & Performance specifications
UASP Support Yes

Interfaces/Ports

Interfaces/Ports specifications
Total Number of USB Ports 2
Number of USB 3.2 Ports 2
Number of SATA Ports 1

Software

Software specifications
Operating System Supported Mac OS X 10.13 High SierraMac OS X 12.0 MontereyWindows Server 2019Windows 10Mac OS X 10.14 MojaveMac OS X 10.15 CatalinaMac OS X 13.0 VenturaWindows 11Windows 8Mac OS X 11.0 Big SurWindows 7Windows 8.1Windows Server 2016Windows Server 2008 R2Windows Server 2012 R2Windows Server 2022Linux 3.5

Physical Characteristics

Physical Characteristics specifications
Color Family Black
Product Color Black
Form Factor Plug-in Card
Height 0.7"
Width 3.1"
Length 4.8"
Weight (Approximate) 1.60 oz

Miscellaneous

Miscellaneous specifications
Package Contents
  • 2-Port PCIe USB 3.1 Card - 2x USB-C - USB 3.1 Gen 2 Up to 10Gbps
  • 1 x Low Profile Bracket
  • 1 x Quick Start Guide
Additional Information

OS Compatibility:

  • Windows® 7, 8, 8.1, 10, 11
  • Windows Server® 2008 R2, 2012 R2, 2016, 2019
  • Linux® 3.5 and up - LTS Versions only
  • macOS Catalina (10.15)
  • macOS Mojave (10.14)
  • macOS High Sierra (10.13)
  • macOS Big Sur (11.0)
  • macOS Monterey (12.0)
  • macOS Ventura (13.0)
Platform Supported PCLinuxMac
Green Compliant Yes
Green Compliance Certificate / Authority EU RoHS
Country of Origin Taiwan
Environmental Compliance Waste Electrical and Electronic Equipment Directive (WEEE)Registration, Evaluation, Authorization and Restriction of Chemicals (REACH)Restriction of Hazardous Substances (RoHS) 2
EU RoHS Declaration URL https://media.startech.com/cms/pdfs/pexusb312c3_rohs.pdf
REACH Declaration URL https://media.startech.com/cms/pdfs/pexusb312c3_rohs.pdf
REACH free of SVHC Yes
WEEE Statement https://media.startech.com/cms/pdfs/pexusb312c3_weee.pdf
End of Life Manual Availability Yes

Warranty

Warranty specifications
Limited Warranty 2 Year

Ratings and reviews

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Accessories

StarTech.com USB 3.1 USB-C to USB-A Cable - 1m (3ft)

MFG Part # USB31AC1MPart # 1-1109405UPC # 065030860758

USB for Portable Hard Drive, Docking Station - 1.25 GBps - 3.28 ft - 1 Pack - 1 x Type A Male USB - 1 x Type C Male USB - Nickel Plated - Shielding - Black

IN STOCK

415 available

$17.41 $13.34 SAVE $4.07

StarTech.com USB 3.1 USB-C to Micro-B Cable - 1m (3ft)

MFG Part # USB31CUB1MPart # 1-1109389UPC # 065030860772

USB for Tablet, Portable Hard Drive, Storage Device - 1.25 GBps - 3.28 ft - 1 Pack - 1 x Type C Male USB - 1 x Type B Male Micro USB - Nickel Plated - Shielding - Black

IN STOCK

50 available

$20.49 $12.91 SAVE $7.58

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Shipping and returns

Free shipping on most items when you spend $100 or more. In-stock items ship on the next open shipment slot. The buy box above shows the live order-by countdown and the estimated arrival date.

Need to send it back? Start a return online with a Request RMA and our team will take care of you. Keep the original packaging. Items must be returned in the condition received.

Questions about shipping or returns? Chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.