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

StarTech.com StarTech 4-Port USB PCIe Card

Bottom line: The StarTech.com StarTech 4-Port USB PCIe Card ($117.99 on Amazon as of 2026-10-06): Dual ASM3142 controllers push up to 20Gbps total across the 4 ports, not one shared lane; main trade-off: needs a PCIe 2.0 x4 slot, so x1-only boards and cramped builds are out.

$117.99

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Buy on Amazon — $117.99 Compare to similar expansion cards

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Dual ASM3142 controllers push up to 20Gbps total across the 4 ports, not one shared lane
  • ✓ Every USB-A port runs SuperSpeed 10Gbps (USB 3.2 Gen 2x1), no downgraded secondary ports
  • ✓ UASP support speeds up external SSD, HDD, NVMe and thumb-drive transfers
  • ✓ SATA power header adds up to 4.5W (5V@0.9A) per port when motherboard power falls short
  • ✓ Backed for life by StarTech.com with free 24/5 North America tech support

Cons

  • ✗ Needs a PCIe 2.0 x4 slot, so x1-only boards and cramped builds are out
  • ✗ Standard-profile bracket only, so small-form-factor and low-profile cases need another card
  • ✗ Auto driver install covers Windows 8 and up only; older Windows and some Linux or macOS setups need

Manufacturer description

4-PORT USB PCIE CARD 3.1 GEN 2 - 2 CHIPS

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SpecPicks Verdict

SpecPicks scored StarTech.com StarTech 4-Port USB PCIe Card using a rating × review-volume × price-fit model applied to published specs and reviews across the expansion cards category. StarTech.com's expansion cards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for expansion cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • HIGH PERFORMANCE: USB PCIe card with 4x USB-A ports up to SuperSpeed 10Gbps per port; Dual ASM3142 controllers with up to 20Gbps total bandwidth across 4 ports; USB 3.1 Gen 2/USB 3.2 Gen 2x1; Upgraded version of our popular USB card PEXUSB314A2V
  • MAXIMIZED USB PERFORMANCE: Multiple INs support for max bandwidth when using mixed-speed devices; USB Attached SCSI Protocol (UASP) for storage device, like SSDs, HDDs, NVMe drives and thumb drives
  • POWER: USB PCI Express expansion card with SATA power header has the option to provide supplemental power to the USB ports (if motherboard power is insufficient) providing up to 4.5W (5V@0.9A) per USB-A port
  • COMPATIBILITY: USB PCIe adapter card for desktop PC installs in standard profile PCI-e 2.0 x4 slot; Supports Windows/Linux/macOS with auto driver install on Windows 8 & up; Works w/USB 3.0/2.0 devices
  • ADVANTAGE: IT professionals' choice for over 30 years; This USB-A PCIe add-on card is backed for life by StarTech.com, including free 24/5 North America based multi-lingual tech support

Full Specifications

BrandStarTech.com
Style4 USB-A
Style Name4 USB-A
Unit Count1.0 Count
ConnectivityUSB
Model NumberPEXUSB314A2V2
CompatibilityPC, Mac, Linux
Built-In Media1x USB 3.1 Card;1x Quick-Start Guide;1x Full Profile Bracket (Installed)
Item Type NameUSB Adapter
Mfr Part NumberPEXUSB314A2V2
Compatible DevicesPersonal Computer
Hardware InterfaceUSB 3.2 Gen 2
Warranty DescriptionLifetime
Item Dimensions L x W x H4.7"L x 5.9"W x 0.7"H
Global Trade Identification Number00065030887410
Full listing titleStarTech 4-Port USB PCIe Card, 10Gbps, USB 10Gbps (PEXUSB314A2V2) | PCI Express Expansion Card with 2 Controllers, PCIe Add-On Adapter Card, Windows/Mac/Linux, 4x Type-A Ports

Ready to buy?

StarTech 4-Port USB PCIe Card, 10Gbps, USB 10Gbps (PEXUSB314A2V2) | PCI Express Expansion Card with 2 Controllers, PCIe Add-On Adapter Card, Windows/Mac/Linux, 4x Type-A Ports is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $117.99

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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StarTech 4-Port USB PCIe Card, 10Gbps, USB 10Gbps (PEXUSB314A2V2) | PCI Express Expansion Card with 2 Controllers, PCIe Add-On Adapter Card, Windows/Mac/Linux, 4x Type-A Ports
$117.99
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