Skip to main content
StarTech 4-Port USB 5Gbps PCIe Card, 4X USB-A Ports (P5Q4A-USB-CARD) | PCI Express Card with 4x Independent USB Controllers
StarTech.com

StarTech.com StarTech 4-Port USB 5Gbps PCIe Card

Bottom line: The StarTech.com StarTech 4-Port USB 5Gbps PCIe Card is a specs-and-price decision rather than a crowd-consensus one in the expansion cards category, priced around $105.83 on Amazon as of 2026-10-06. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

$105.83

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

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

  • ✓ Backed by StarTech.com's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

Upgrade or expand the USB connectivity of a desktop computer or server by adding four independent USB Type-A 5Gbps ports over a single PCI Express 2.0 x4 connection. When multiple devices are connected, traditional single-bus USB 3.2 Gen 1 cards share the maximum bandwidth across all ports. By employing four host controller chipsets, each port operates on its own independent channel, providing up to 5Gbps to each USB port, reducing performance bottlenecks and effectively quadrupling the total available bandwidth to 20Gbps. This USB PCIe expansion card can receive supplemental power through…

SpecPicks Verdict

SpecPicks scored StarTech.com StarTech 4-Port USB 5Gbps 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 CARD: Upgrade or expand a desktop or server's USB connectivity by adding four USB Type-A ports, each with a dedicated controller capable of up to 5Gbps, via a single PCI Express 2.0 x4 connection
  • 4X INDEPENDENT USB CONTROLLERS: Dedicated USB controllers per port enhance data throughput and ensure each device has up to 5Gbps bandwidth available; Ideal for simultaneously transferring large files or editing photos/videos on external storage devices
  • HORIZONTAL USB PORTS: Enhance compatibility with different computer cases, reducing the risk of port clearance issues, and accommodating a wider range USB devices and cables
  • HIGH POWER: USB PCIe Expansion Card with SATA/LP4 power connectors provides additional power to the USB ports (when motherboard power is insufficient), supporting the Battery Charging 1.2 (5V 1.5A) specification & providing up to 5V 2A (10W) per port
  • COMPATIBILITY: Drivers auto-install in most major operating systems including Windows 8 & up, and Linux; Works with all hardware platforms, including Intel and AMD, that have a PCI Express 2.0 (or higher) x4, x8, or x16 slot

Full Specifications

BrandStarTech.com
StyleClassic
Style NameClassic
ConnectivityUSB
Model NumberP5Q4A-USB-CARD
CompatibilityLinux
Mfr Part NumberP5Q4A-USB-CARD
Compatible DevicesPCIe slots on Personal Computers and Servers
Hardware InterfacePCI Express x4
Warranty Description2-Year
Item Dimensions L x W x H6.6"L x 4.7"W x 0.7"H
Full listing titleStarTech 4-Port USB 5Gbps PCIe Card, 4X USB-A Ports (P5Q4A-USB-CARD) | PCI Express Card with 4x Independent USB Controllers

Ready to buy?

StarTech 4-Port USB 5Gbps PCIe Card, 4X USB-A Ports (P5Q4A-USB-CARD) | PCI Express Card with 4x Independent USB Controllers 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 — $105.83

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

Related Expansion Cards

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

Earliest SpecPicks reviews

Browse full archive →