Skip to main content
StarTech.com PEXUSB3S2E2I 4 Port USB 3.0 PCI Express PCIe Controller Card - 2 Ext 2 Int with SATA Power
StarTech.com

StarTech.com PEXUSB3S2E2I 4 Port USB 3.0 PCI Express PCIe Controller Card - 2 Ext 2 Int with SATA Power

Bottom line: The StarTech.com 4 Port USB 3.0 PCI Express PCIe Controller Card is a specs-and-price decision rather than a crowd-consensus one in the expansion cards category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

Check price on Amazon

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

Check price on Amazon → 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.

Pros & Cons

Pros

  • ✓ Backward compatible with USB 2.0 and USB 1.0/1.1 devices
  • ✓ 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

The PEXUSB3S2E2I 4-Port PCI Express USB 3.0 Controller Card adds 2 external USB 3.0 ports and 2 internal USB 3.0 motherboard headers to a PCI Express-enabled computer system, with support for SuperSpeed USB 3.0 data transfer rates up to 5Gbps as well as backward compatibility with devices that rely on previous USB standards (USB 2.0, 1.x).The adapter card features a built-on SATA power connector, which when connected to the computer power supply supports delivery of up to 900 mA of power to USB 3.0 devices (500mA for USB 2.0 devices). Plus, this PCIe USB 3.0 card is equipped with a…

Related Products

Other products in this category you may like:

SpecPicks Verdict

SpecPicks scored StarTech.com 4 Port USB 3.0 PCI Express PCIe Controller 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

  • Supports SuperSpeed USB 3.0 connectivity with data transfer rates up to 5 Gbps and 80% more device power delivery than USB 2.0
  • The card features both internal and external USB 3.0 ports - a versatile solution for adding common USB 3.0 devices (e.g. hard drive enclosures, etc.), as well as devices that require an internal system connection (front panel USB 3.0 hubs or card readers)
  • PCIe USB 3.0 controller uses a SATA power connector to draw power for compatible devices, as opposed to an LP4 power connector, making it more suitable for newer systems with power supplies that don't offer enough LP4 connectors.
  • 4x USB 3.0 ports: 2x External USB 3.0 ports + 2x Internal (motherboard header) USB 3.0 ports
  • Fully compliant with USB 3.0 revision 1.0 specifications and Intel xHCI rev0.95 specifications, with support for data transfer rates up to 5 Gbps
  • Built-on SATA power connector, which supports power delivery to USB 3.0 devices (up to 900mA per port)

Full Specifications

BrandStarTech.com
StyleStandard
Style NameStandard
Unit Count1 Count
ConnectivityUSB
Model NumberPEXUSB3S2E2I
Built-In MediaUser manual, cable or connector.
Mfr Part NumberPEXUSB3S2E2I
4x USB 3.0 ports2x External USB 3.0 ports + 2x Internal (motherboard header) USB 3.0 ports
Compatible DevicesStandard
Hardware InterfaceUSB 3.0
Warranty Description2 year warranty
Item Dimensions L x W x H6"L x 7"W x 5"H
Global Trade Identification Number00065030847612, 00100177435091

Ready to buy?

StarTech.com PEXUSB3S2E2I 4 Port USB 3.0 PCI Express PCIe Controller Card - 2 Ext 2 Int with SATA Power 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.

Check price on Amazon →

Related Expansion Cards

Keep exploring SpecPicks

Other buying guides

Browse the catalog

Editorial

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 →
StarTech.com PEXUSB3S2E2I 4 Port USB 3.0 PCI Express PCIe Controller Card - 2 Ext 2 Int with SATA Power
View on Amazon →