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StarTech 2.5in to 3.5in SATA HDD/SSD Enclosure, 12.5mm (25SAT35HDD) | External hard drive converter, Fits 2.5in SATA drive in 3.5in bay, Up to 12.5mm, SATA I/II/III, Toolless, Mounting points
StarTech.com

StarTech.com StarTech 2.5in to 3.5in SATA HDD/SSD Enclosure

Bottom line: The StarTech.com StarTech 2.5in to 3.5in SATA HDD/SSD Enclosure ($27.18 on Amazon as of 2026-10-06): Fits any 2.5in SATA SSD or HDD up to 12.5mm into a standard 3.5in drive bay; main trade-off: holds only one 2.5in drive, no multi-bay or dual-drive option.

$27.18

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

Pros & Cons

Pros

  • ✓ Fits any 2.5in SATA SSD or HDD up to 12.5mm into a standard 3.5in drive bay
  • ✓ Toolless design swaps drives fast with no screws or brackets
  • ✓ Aluminum shell matches exact 3.5in dimensions and mounting points
  • ✓ Supports SATA I/II/III so full SSD transfer speeds pass through
  • ✓ Backed by 2-year warranty plus free lifetime 24/5 multilingual support

Cons

  • ✗ Holds only one 2.5in drive, no multi-bay or dual-drive option
  • ✗ Drives taller than 12.5mm will not fit the enclosure
  • ✗ SATA passthrough only; no NVMe, M.2, or USB output
  • ✗ No SATA data or power cables included in the box

Manufacturer description

The 2.5" to 3.5" hard drive adapter enclosure turns a 2.5" SATA hard drive (HDD) or solid-state drive (SSD) into a 3.5" drive. The aluminum hard drive adapter enclosure lets you substitute a 3.5" hard drive for a 2.5" SSD/HDD in any application that would typically require a 3.5" drive, such as desktop chassis, backplane, or docking station. The 2.5" to 3.5" SSD/HDD adapter enclosure has the same dimensions as a standard 3.5" hard drive, including mounting points, and SATA connector locations. With support for drives up to 12.5mm in height, and high-capacity SATA I/II/III drives (tested up…

SpecPicks Verdict

SpecPicks scored StarTech.com StarTech 2.5in to 3.5in SATA HDD/SSD Enclosure using a rating × review-volume × price-fit model applied to published specs and reviews across the storage adapters category. StarTech.com's storage adapters 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 storage adapters 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

  • 2.5in to 3.5in SATA ENCLOSURE: The 2.5in to 3.5in hard drive adapter enclosure turns a 2.5in SATA hard drive (HDD) or solid-state drive (SSD) into a 3.5in SATA drive
  • VERSATILE FUNCTIONALITY: The 2.5in to 3.5in SATA adapter enclosure lets you substitute a 3.5in hard drive for a 2.5in SSD/HDD in any application that would typically require a 3.5in drive form factor
  • SIMPLE DESIGN: The external hard drive converter enclosure fits directly into a standard 3.5in hard drive bay, including mounting points, and SATA connector locations; Toolless design facilitates convenient setup and drive swapping
  • MAXIMUM COMPATIBILITY: With support for high-capacity SATA I/II/III drives this 2.5in to 3.5in hard drive adapter enclosure ensures compatibility with virtually any 2.5in SATA HDD or SSD, up to 12.5mm drive height
  • THE IT PRO'S CHOICE: Designed and built for IT Professionals, this 3.5in hard drive enclosure is backed for 2 years, including free lifetime 24/5 multi-lingual assistance
  • Seamless 2.5" SSD/HDD integration with standard 3.5" hard drive dimensions

Full Specifications

BrandStarTech.com
ColorGray
Model Name25SAT35HDD
Unit Count1.0 Count
Form Factor2.5-inch, 3.5-inch
Media Speed560 MB/s
Model Number25SAT35HDD
Built-In MediaStorage enclosure - internal
Item Type NameStartech.Com 2.5" SSD/HDD to 3.5" SATA Aluminum HDD Adapter Enclosure - Storage Enclosure - SATA 6GB/S - Gray
Mfr Part Number25SAT35HDD
Number of Items1
Special FeatureNot_Performance_Used
Hardware PlatformPC;Mac
Installation TypeInternal Hard Drive
Compatible DevicesPC, Mac
Data Transfer Rate6 Gigabytes Per Second
Enclosure MaterialPlastic;Aluminum
Additional FeaturesNot_Performance_Used
Hard Disk InterfaceATA
THE IT PRO'S CHOICEDesigned and built for IT Professionals, this 3.5in hard drive enclosure is backed for 2 years, including free lifetime 24/5 multi-lingual assistance
Full listing titleStarTech 2.5in to 3.5in SATA HDD/SSD Enclosure, 12.5mm (25SAT35HDD) | External hard drive converter, Fits 2.5in SATA drive in 3.5in bay, Up to 12.5mm, SATA I/II/III, Toolless, Mounting points

Ready to buy?

StarTech 2.5in to 3.5in SATA HDD/SSD Enclosure, 12.5mm (25SAT35HDD) | External hard drive converter, Fits 2.5in SATA drive in 3.5in bay, Up to 12.5mm, SATA I/II/III, Toolless, Mounting points 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 — $27.18

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

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