M.2. PCI-e NVMe to U.2 (SFF-8639) Adapter - Not Compatible with SATA Drives or SAS Controllers - For M.2 PCIe NVMe SSDs - PCIe M.2 Drive to U.2 Host Adapter - M2 SSD Converter, TAA
*Price sourced from Amazon.com. Last updated 2026-07-07. Price and availability subject to change.
Bottom line: The M.2. PCI-e NVMe to U.2 (SFF-8639) Adapter - Not Compatible with SATA Drives or SAS Controllers - For M.2 PCIe NVMe SSDs - PCIe M.2 Drive to U.2 Host Adapter - M2 SSD Converter, TAA is a niche pick — read recent reviews before buying in the storage adapters category, priced around $31.99. Read recent reviews carefully before committing.
ThisM.2. PCI-e NVMe to U.2 adapter makes it easy to install an M.2 PCIe NVMe SSD into your desktop PC or server, and connect to the drive through an available U.2 (SFF-8639) compatible interface on your motherboard. Increase Your Performance. This PCIe M.2. PCI-e NVMe to U.2 adapter is ideal for IT professionals, system integrators and installers, and enthusiasts who are building or upgrading a server or desktop computer. It supports one M.2 PCIe NVMe SSD (M-Key), providing a cost-effective way to add M.2 NVMe performance to your computer or server through an available U.2 (SFF-8639) slot…
SpecPicks Verdict
SpecPicks classifies StarTech.com M.2. PCI-e NVMe to U.2 (SFF-8639) Adapter - Not… as a niche pick — read recent reviews before buying in the storage adapters category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. StarTech.com's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Backed by StarTech.com's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- BOOST SYSTEM PERFORMANCE: Add the fast performance of a PCIe M.2 NVMe or AHCI SSD to your desktop computer or server, this adapter converts the drive to fit into a 2.5" drive bay and connect to a U.2 (SFF-8639) compatible host interface
- PCIe M.2 SSD TO 2.5" U.2 ADAPTER: Increase your system speed and performance cost-effectively, by adding an M.2 PCIe NVMe/AHCI SSD to your PC or server with data transfer speeds up to 7.8GBps when used with a PCIe Gen 4 slot/system
- HASSLE-FREE SETUP: This M2 to U.2 adapter offers a fast and easy setup with native OS support
- COMPATIBILITY: M.2 NVMe SSD converter adapter is backward compatible with earlier versions of PCIe NVMe drives and fits in standard 2.5" drive bays; Not compatible with SATA or SAS host controllers / Not compatible with M.2 SATA based drives
Full Specifications
| Brand | StarTech.com |
|---|---|
| Color | Red |
| Finish | Pci-e |
| Model Number | U2M2E125 |
| Compatibility | PC |
| Built-In Media | multiport adapter (1), quick-start guide (1) |
| Connector Type | U.2 |
| Item Type Name | M.2. PCI-e NVMe to U.2 Adapter |
| Item Dimensions | 3.9 x 2.8 x 0.3 inches |
| Mfr Part Number | U2M2E125 |
| Number of Items | 1 |
| Number of Ports | 1 |
| Power Plug Type | No Plug |
| HASSLE-FREE SETUP | This M2 to U.2 adapter offers a fast and easy setup with native OS support |
Ready to buy?
StarTech.com M.2. PCI-e NVMe to U.2 (SFF-8639) Adapter - Not Compatible with SATA Drives or SAS Controllers - For M.2 PCIe NVMe SSDs - PCIe M.2 Drive to U.2 Host Adapter - M2 SSD Converter, TAA is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-07-07. Price and availability subject to change.
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