What kind of devices can I connect to this USB PCIe card?

This USB PCIe card supports connecting USB devices and external storage devices such as SSDs and NVMe drives.

What is the maximum power output for each type of USB port?

The maximum power output is 15W for each USB Type-C port and 4.5W for each USB Type-A port.

What is the maximum data transfer rate of this PCIe card?

The maximum data transfer rate of this PCIe card is 10Gbps.

Is this PCI Express USB Card compatible with my operating system?

The PCI Express USB Card supports the following operating systems: Windows 7, 8, 8.1, 10; Windows Server 2008 R2, 2012 R2, 2016, 2019; Linux versions from 3.5 to 4.11.x LTS; macOS Catalina (10.15), Mojave (10.14), High Sierra (10.13), and Big Sur (11.0).

Does this USB PCIe card come with everything I need for installation?

The product includes a PCI Express USB Card, a Full Profile Bracket (installed), and a Quick-Start Guide.

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4-Port USB PCIe Card, 10Gbps USB PCI Express Expansion Card w/ 2 Controllers, 2x USB-C & 2x USB-A ports (USB 3.2/3.1 Gen 2), USB/USB-C PCI-e Card, Full Profile Brackets - USB PCIe Add-On Card (PEXUSB312A2C2V)

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USB PCIe card with 2x ASM3142 chips for up to 20Gbps bandwidth total across 4 ports (2 ports/controller)
PCI Express adapter card (USB 3.2/3.1 Gen 2) | 10Gbps 2x USB-A / 2x USB-C hub
Expansion card supports Multiple INs maintaining max bandwidth w/mixed speed devices | For USB devices/external storage SSDs/NVMe
Optional SATA power for up to 15W per USB Type-C port and 4.5W per USB-A port
Install in PCI-e 3.0 x4 slot (desktop/server) | Full profile bracket | Windows/Linux/macOS

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Best Seller Ranking	#61 in Add-On Cards

Model
Brand	StarTech.com
Model	PEXUSB312A2C2V

Details
Type	PCI Express USB Card
External USB Ports	2 x USB 3.2 Gen 2x1 USB Type-A (9 pin, 10 Gbps) 2 x USB 3.2 Gen 2x1 USB Type-C (24 pin, 10 Gbps)
Internal Ports	1 x SATA Power (15 pin)
Standard	Industry Standards: PCI Express Base Specification Rev. 3.0 USB 3.2 Specifications UASP (USB Attached SCSI Protocol) Rev. 1.0
Operating Systems Supported	Windows 7, 8, 8.1, 10 Windows Server 2008 R2, 2012 R2, 2016, 2019 Linux 3.5 to 4.11.x LTS version only macOS Catalina (10.15) macOS Mojave (10.14) macOS High Sierra (10.13) macOS Big Sur (11.0)
Specifications	Ports: 4 Bus Type: USB 3.2 Gen 2 10Gbps Interface: PCI Express Card Type: Standard Profile Port Style: Integrated on Card Total USB Power Output: USB-C Power Output - 15W USB-A Power Output - 4.5W Maximum Data Transfer Rate: 10Gbps Type and Rate: USB 3.2 Gen 2 - 10 Gbit/s UASP Support: Yes MTBF: 1,677,495 Hours

Dimensions & Weight
Dimensions	0.90" x 4.40" x 3.30"
Weight	0.18 lb.

Packaging
Package Contents	PCI Express USB Card Full Profile Bracket (Installed) Quick-Start Guide

Additional Information
First Listed on Newegg	September 27, 2021

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Limited Warranty period (parts): 2 years
Limited Warranty period (labor): 2 years
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Return Policies

We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2025 and December 31, 2025 you will have until January 31, 2026 to return your product.

Return for refund until: January 31, 2026

Return for replacement until: January 31, 2026

This item is covered by Newegg.com's Extended Holiday Return Policy. Read full return policy for details.

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4-Port USB PCIe Card, 10Gbps USB PCI Express Expansion Card w/ 2 Controllers, 2x USB-C & 2x USB-A ports (USB 3.2/3.1 Gen 2), USB/USB-C PCI-e Card, Full Profile Brackets - USB PCIe Add-On Card (PEXUSB312A2C2V)

Learn more about the STARTECH PEXUSB312A2C2V

Customer Reviews of the STARTECH PEXUSB312A2C2V

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

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Manufacturer Contact Info

Item#: N82E16815158476

Best Sellers

4-Port USB PCIe Card, 10Gbps USB PCI Express Expansion Card w/ 2 Controllers, 2x USB-C & 2x USB-A ports (USB 3.2/3.1 Gen 2), USB/USB-C PCI-e Card, Full Profile Brackets - USB PCIe Add-On Card (PEXUSB312A2C2V)

Learn more about the STARTECH PEXUSB312A2C2V

Customer Reviews of the STARTECH PEXUSB312A2C2V

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info