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StarTech U.3 to PCIe 4.0 x4 Adapter for 2.5in NVMe SSD, SFF-TA-1001, TAA | PCI Express add-in card, Up to 15mm height, Vented full-profile bracket, Mounting screws, Not compatible with U.2 drives
StarTech.com

StarTech.com StarTech U.3 to PCIe 4.0 x4 Adapter for 2.5in NVMe SSD

Bottom line: The StarTech.com StarTech U.3 to PCIe 4.0 x4 Adapter for 2.5in NVMe SSD 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.

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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

  • ✓ 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

Add a 2.5 inch U.3 NVMe SSD into a PCIe 4.0 x4/x8/x16 slot in a desktop or server using the included screws, enabling ultra-fast data access. Install an SFF-TA-1001 SSD into a desktop or server using an available PCI Express 4.0 slot. The pre-installed full-profile bracket and included drive mounting screws enable the connection of a U.3 NVMe drive to a PCIe slot, avoiding the need for a drive backplane or additional cables. This adapter is not compatible with U.2 drives. The Adapter Card is backward compatible with motherboards that feature x4, x8, and/or x16 PCIe 3.0 slots. The U.3 Adapter…

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SpecPicks Verdict

SpecPicks scored StarTech.com StarTech U.3 to PCIe 4.0 x4 Adapter for 2.5in NVMe SSD 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

  • ADD HIGH PERFORMANCE U.3 STORAGE: Add a 2.5 inch U.3 NVMe SSD into a PCIe 4.0 x4/x8/x16 slot in a desktop or server, enabling ultra-fast data access; Supports SFF-TA-1001 drives up to 15mm in height; Not compatible with U.2 drives
  • UNIVERSAL COMPATIBILITY: Backwards compatible with PCI Express 3.0 motherboards that have an available x4, x8, or x16 PCIe slot; U.3 Adapter works with all workstation and server operating systems such as Windows, Windows Server, and Linux
  • PREVENT OVERHEATING: Vented full-profile bracket and a large cutout in the PCB allow for better airflow and heat dissipation, which helps maintain optimal and reliable performance while reducing potential thermal throttling
  • HASSLE-FREE SETUP: Pre-installed full-profile bracket & included drive mounting screws enable the connection of a U.3 drive to a PCIe slot, without the need of a drive backplane or additional cables; The U.3 to PCIe Card requires no drivers or software

Full Specifications

BrandStarTech.com
StyleU3 to PCIe
Style NameU3 to PCIe
Model NumberPEX4SFF8639U3
CompatibilityLinux
Built-In Media1 U.3 to PCIe x4 Adapter, 4 Drive Mounting Screws, 1 Quick-Start Guide
Mfr Part NumberPEX4SFF8639U3
Number of Items1
Compatible DevicesU.3 NVMe SSDs with SFF-TA-1001 connectors
Hardware InterfacePCIE x 4
Warranty Description2-Year
Item Dimensions L x W x H6.1"L x 3.5"W x 0.01"H
EU Spare Part Availability Duration2 years
Full listing titleStarTech U.3 to PCIe 4.0 x4 Adapter for 2.5in NVMe SSD, SFF-TA-1001, TAA | PCI Express add-in card, Up to 15mm height, Vented full-profile bracket, Mounting screws, Not compatible with U.2 drives

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StarTech U.3 to PCIe 4.0 x4 Adapter for 2.5in NVMe SSD, SFF-TA-1001, TAA | PCI Express add-in card, Up to 15mm height, Vented full-profile bracket, Mounting screws, Not compatible with U.2 drives 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.

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StarTech U.3 to PCIe 4.0 x4 Adapter for 2.5in NVMe SSD, SFF-TA-1001, TAA | PCI Express add-in card, Up to 15mm height, Vented full-profile bracket, Mounting screws, Not compatible with U.2 drives
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