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StarTech 4-Port PCI Express Low Profile High Speed USB Card (PEXUSB4DP) | PCIe USB 2.0 Card, PCI-E USB 2.0 Card
StarTech.com

StarTech.com StarTech 4-Port PCI Express Low Profile High Speed USB Card (PEXUSB4DP)

Bottom line: The StarTech 4-Port PCI Express Low Profile High Speed USB Card ($39.00 on Amazon as of 2026-10-06): 3 external + 1 internal USB 2.0 port from one PCIe x1 slot; main trade-off: USB 2.0 only, no USB 3.0/3.1 speeds for modern drives.

$39.00

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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

  • ✓ 3 external + 1 internal USB 2.0 port from one PCIe x1 slot
  • ✓ USB 2.0 at up to 480Mbps, backward compatible with 1.0/1.1
  • ✓ Low-profile bracket plus full-height bracket both included
  • ✓ Dedicated power input delivers up to 500mA per port
  • ✓ Plug-and-play with WHQL-certified drivers, minimal setup

Cons

  • ✗ USB 2.0 only, no USB 3.0/3.1 speeds for modern drives
  • ✗ Only 3 rear ports are external; 4th is internal header
  • ✗ Single-lane PCIe x1 caps total shared bandwidth
  • ✗ 500mA per port may not run bus-powered 2.5" drives

Manufacturer description

The PEXUSB4DP is a low profile 4 port USB card designed for versatility and performance. Providing simple system expansion for added peripheral connections, this PCI Express USB card adds 3 external USB 2.0 slots and 1 internal USB 2.0 slot, with support for high speed USB 2.0 data transfer rates of up to 480 Mbps, and includes WHQL certified drivers and easy plug and play installation. Capable of adapting to virtually any PC case form factor, the low profile USB card includes a standard profile bracket for installation in full form factor cases.

SpecPicks Verdict

SpecPicks scored StarTech 4-Port PCI Express Low Profile High Speed USB 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

  • 3 external and 1 internal USB 2.0 port
  • High Speed USB 2.0 compliant, with transfer rates up to 480Mbps
  • Backward compatible with USB 1.0/1.1 devices
  • Provide up to 500mA of power per port with dedicated power input
  • Plug-and-Play compatible

Full Specifications

BrandStarTech.com
StylePCI Express (PCIe)
Style NamePCI Express (PCIe)
ConnectivityUSB
Model NumberPEXUSB4DP
Item Type NameUSB Adapter
Mfr Part NumberPEXUSB4DP
Compatible DevicesPersonal Computer, USB-enabled devices
Hardware InterfacePCI
Warranty Description2 Year
Item Dimensions L x W x H3.5"L x 3.1"W x 0.8"H
Global Trade Identification Number00065030836661
Full listing titleStarTech 4-Port PCI Express Low Profile High Speed USB Card (PEXUSB4DP) | PCIe USB 2.0 Card, PCI-E USB 2.0 Card

Ready to buy?

StarTech 4-Port PCI Express Low Profile High Speed USB Card (PEXUSB4DP) | PCIe USB 2.0 Card, PCI-E USB 2.0 Card 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 — $39.00

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

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