What operating systems are supported by the StarTech.com PEXUSB314A2V2 USB PCIe card?

The card supports Windows 7, 8, 8.1, 10, Windows Server 2012 R2, 2016, 2019, macOS 10.13 to 10.15, 11.0, and Linux 3.5 or later LTS version.

What is the maximum data transfer rate for each port on the StarTech.com PEXUSB314A2V2 PCIe card?

The maximum data transfer rate for each port is 10Gbps.

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Main image of StarTech.com PEXUSB314A2V2 4-Port USB PCIe Card - 10Gbps USB 3.1/3.2 Gen 2 Type-A PCI Express Expansion Card with 2 Controllers - 4x USB-A - USB PCIe Add-On Adapter Card - Windows/Mac/Linux (PEXUSB314A2V2)

Alt view image 2 of 5 - StarTech.com PEXUSB314A2V2 4-Port USB PCIe Card - 10Gbps USB 3.1/3.2 Gen 2 Type-A PCI Express Expansion Card with 2 Controllers - 4x USB-A - USB PCIe Add-On Adapter Card - Windows/Mac/Linux (PEXUSB314A2V2)

Alt view image 3 of 5 - StarTech.com PEXUSB314A2V2 4-Port USB PCIe Card - 10Gbps USB 3.1/3.2 Gen 2 Type-A PCI Express Expansion Card with 2 Controllers - 4x USB-A - USB PCIe Add-On Adapter Card - Windows/Mac/Linux (PEXUSB314A2V2)

Alt view image 4 of 5 - StarTech.com PEXUSB314A2V2 4-Port USB PCIe Card - 10Gbps USB 3.1/3.2 Gen 2 Type-A PCI Express Expansion Card with 2 Controllers - 4x USB-A - USB PCIe Add-On Adapter Card - Windows/Mac/Linux (PEXUSB314A2V2)

Alt view image 5 of 5 - StarTech.com PEXUSB314A2V2 4-Port USB PCIe Card - 10Gbps USB 3.1/3.2 Gen 2 Type-A PCI Express Expansion Card with 2 Controllers - 4x USB-A - USB PCIe Add-On Adapter Card - Windows/Mac/Linux (PEXUSB314A2V2)

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StarTech.com PEXUSB314A2V2 4-Port USB PCIe Card - 10Gbps USB 3.1/3.2 Gen 2 Type-A PCI Express Expansion Card with 2 Controllers - 4x USB-A - USB PCIe Add-On Adapter Card - Windows/Mac/Linux (PEXUSB314A2V2)

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USB PCIe card w/ 4x USB-A up to SuperSpeed 10Gbps per port
2x ASM3142 chips (2 ports/controller) w/ up to 20Gbps total bandwidth
USB 3.1/3.2 Gen 2 expansion card
Upgraded version of our popular USB card PEXUSB314A2V
USB PCI Express adapter card has Multiple INs for max bandwidth w/mixed-speed devices
Ideal for SSDs/HDDs/NVMe
Optional SATA power for up to 4.5W per port
Install add-on card in full profile PCI-e 2.0 x4 slot
Windows/Linux/macOS

Overview

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Best Seller Ranking	#81 in Add-On Cards

Model
Brand	StarTech.com
Model	PEXUSB314A2V2

Details
Type	PCI Express to USB Card
External USB Ports	4 x USB 3.2 USB Type-A (9 pin, Gen 2, 10 Gbps)
Standard	USB 3.1 Specification Rev. 1.0 USB Specification Rev. 2.0 PCI Express Base Specification Rev. 2.0 Intel xHCI Specification Rev. 1.1 UASP (USB Attached SCSI Protocol) Rev. 1.0
Data Transfer Rate	USB 3.2 Gen 2 - 10 Gbit/s
Operating Systems Supported	Windows 7, 8, 8.1, 10 Windows Server 2012 R2, 2016, 2019 macOS 10.13 to 10.15, 11.0 Linux 3.5 or later LTS version only
Compatibility	PCI Express enabled computer or server with a PCI Express x4 slot or higher (x8, x16) Optional SATA power connector Note: This card can share up to 20Gbps of bandwidth (up to 10Gbps, per port). However, the maximum throughput of the card is limited by the maximum throughput of the PCI-Express interface it's connected through The available bandwidth (10Gbps) is shared equally between the two ports.
Specifications	Ports: 4 Interface: PCI Express Bus Type: USB 3.2 Gen 2 10Gbps Card Type: Standard Profile Port Style: Integrated on Card Chipset ID: ASMedia - ASM3142, ASMedia - ASM1812 Total USB Power Output: 4.5W (5V @ 0.9A) nominal, per port - Ports trip before 2.1A (10.5W) for Over-Current Protection Maximum Data Transfer Rate: 10Gbps per port Type and Rate: USB 3.2 Gen 2 - 10 Gbit/s UASP Support: Yes MTBF: 40,000 Hours

Features
Features	USB PCIe card w/ 4x USB-A up to SuperSpeed 10Gbps per port 2x ASM3142 chips (2 ports/controller) w/ up to 20Gbps total bandwidth USB 3.1/3.2 Gen 2 expansion card Upgraded version of our popular USB card PEXUSB314A2V USB PCI Express adapter card has Multiple INs for max bandwidth w/mixed-speed devices Ideal for SSDs/HDDs/NVMe Optional SATA power for up to 4.5W per port Install add-on card in full profile PCI-e 2.0 x4 slot Windows/Linux/macOS

Dimensions & Weight
Dimensions	0.7" x 5.9" x 4.7"
Weight	4.4 oz.

Packaging
Package Contents	USB 3.1 Card Quick-Start Guide Full Profile Bracket (Installed)

Additional Information
First Listed on Newegg	February 04, 2026

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StarTech.com PEXUSB314A2V2 4-Port USB PCIe Card - 10Gbps USB 3.1/3.2 Gen 2 Type-A PCI Express Expansion Card with 2 Controllers - 4x USB-A - USB PCIe Add-On Adapter Card - Windows/Mac/Linux (PEXUSB314A2V2)

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Item#: 9SIA6ZPKSB9248

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StarTech.com PEXUSB314A2V2 4-Port USB PCIe Card - 10Gbps USB 3.1/3.2 Gen 2 Type-A PCI Express Expansion Card with 2 Controllers - 4x USB-A - USB PCIe Add-On Adapter Card - Windows/Mac/Linux (PEXUSB314A2V2)

Learn more about the STARTECH PEXUSB314A2V2

Customer Reviews of the STARTECH PEXUSB314A2V2

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info