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StarTech.com 2 Port Flush Mount ExpressCard 54mm SuperSpeed (5Gbps) USB 3.0 Card Adapter with UASP - Dual Port Laptop ExpressCard USB 3 Controller, TAA (ECUSB3S254F)
StarTech.com

StarTech.com 2 Port Flush Mount ExpressCard 54mm SuperSpeed (5Gbps) USB 3.0 Card Adapter

Bottom line: The StarTech.com 2 Port Flush Mount ExpressCard 54mm SuperSpeed ($41.51 on Amazon as of 2026-10-06): Adds two SuperSpeed USB 3.0 ports at up to 5Gbps to an ExpressCard laptop; main trade-off: needs a 54mm ExpressCard slot, missing from most modern laptops.

$41.51

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Buy on Amazon — $41.51 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

  • ✓ Adds two SuperSpeed USB 3.0 ports at up to 5Gbps to an ExpressCard laptop
  • ✓ UASP support boosts throughput to compatible external SSDs and drives
  • ✓ Flush-mount 54mm design sits nearly level with the laptop chassis
  • ✓ Backward compatible with existing USB 2.0 and 1.x peripherals
  • ✓ TAA-compliant and verified compatible with the Dell Latitude E5530

Cons

  • ✗ Needs a 54mm ExpressCard slot, missing from most modern laptops
  • ✗ Capped at 5Gbps Gen 1; no 10Gbps USB 3.1/3.2 Gen 2 support
  • ✗ Two ports may not power several high-draw bus-powered devices at once
  • ✗ Type-A connectors only; no USB-C port included

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SpecPicks Verdict

SpecPicks scored StarTech.com 2 Port Flush Mount ExpressCard 54mm SuperSpeed (5Gbps)… 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

  • Unique flush-mount form factor design
  • Two SuperSpeed USB 3.2 Gen 1 compliant ports with support for transfer rates up to 5 Gbps
  • UASP support for more efficient data transfer
  • Backward compatible with USB 2.0/1.x devices
  • Compliant with USB 3.2 Gen 1 base specification 1.0 and xHCI specification 0.95
  • Add two flushmount USB 3.0 ports to your ExpressCard-enabled laptop

Full Specifications

BrandStarTech.com
StyleFlush Mount
Style NameFlush Mount
Unit Count1.0 Count
ConnectivityUSB
Model NumberECUSB3S254F
Item Type NameUSB Adapter
Mfr Part NumberECUSB3S254F
Compatible DevicesDell Latitude E5530
Hardware InterfaceUSB 3.0
Warranty Description2 Year
Item Dimensions L x W x H2.9"L x 2.1"W x 0.2"H
Global Trade Identification Number00065030843577
Full listing titleStarTech.com 2 Port Flush Mount ExpressCard 54mm SuperSpeed (5Gbps) USB 3.0 Card Adapter with UASP - Dual Port Laptop ExpressCard USB 3 Controller, TAA (ECUSB3S254F)

Ready to buy?

StarTech.com 2 Port Flush Mount ExpressCard 54mm SuperSpeed (5Gbps) USB 3.0 Card Adapter with UASP - Dual Port Laptop ExpressCard USB 3 Controller, TAA (ECUSB3S254F) 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 — $41.51

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

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StarTech.com 2 Port Flush Mount ExpressCard 54mm SuperSpeed (5Gbps) USB 3.0 Card Adapter with UASP - Dual Port Laptop ExpressCard USB 3 Controller, TAA (ECUSB3S254F)
$41.51
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