| Product Type | Drive Converters |
| Form Factor | 2.5 inch drive bay adapter |
| Compatible Drive Type | M.2 PCIe NVMe or AHCI SSD (M-Key) |
| Maximum Drive Length Supported | 80 mm (2280) |
| Power Requirements | Powered via SFF-8639 (U.2) connector |
| Color | Black |
| Product Material | Steel |
| Weight | 80 g |
| Warranty | 2 Years |
STARTECH U2M2E125 M.2 to U.2 (SFF-8639) NVMe SSD Adapter

Key Benefits
Eye-Insights™ by Eye-In Technologies
AI-Powered Summaries from Online Customer Reviews
AI-Powered Summaries from Online Customer Reviews
Eye-Insights™ are generated by proprietary AI that analyzes real online customer reviews to highlight top pros and key product features. While we aim for accuracy, insights are provided “as-is” and individual results may vary.
- Adds fast PCIe NVMe storage to servers or desktops via U.2 interface for performance improvement
- Durable steel construction ensures longevity in enterprise or industrial environments
- TAA compliance supports use in government and regulated commercial environments
Product Overview
Add the fast performance of an M.2 NVMe SSD to your computer or server through a U.2 (SFF-8639) compatible interface on your motherboard - M.2 to U.2 adapter supports one M.2 PCIe NVMe SSD (M-Key) - M.2 to U.2 (SFF-8639) adapter / M.2 drive adapterSpecifications
Product Overview
Physical & Environmental
| Width | 2.8 Inch (70.2 mm) |
| Height | 0.3 Inch (7.6 mm) |
| Depth | 3.9 Inch (99.2 mm) |
| Operating Temperature | 5°C to 50°C (41°F to 122°F) |
| Storage Temperature | -25°C to 70°C (-13°F to 158°F) |
| Operating Humidity | 15% ~ 90% RH (non-condensing) |
| Storage Humidity | 15% ~ 90% RH (non-condensing) |
| Enclosure Type | Metal |
Cloud Management & Licensing
| Software Management | Not Applicable |
| License Included | Not Required |
Interfaces
| Host Interface | U.2 (SFF-8639) |
| Drive Interface | M.2 PCIe NVMe (M-Key) |
| Interface Type | PCIe 3.0 x4 |
| Data Transfer Rate | Up to 32 Gbps |
| Connector A | 1 x U.2 (SFF-8639) plug |
| Connector B | 1 x M.2 M-Key socket |
| Supported SSD Form Factors | M.2 2280 |
Compliance & Origin
| Country of Origin | Taiwan |
| TAA Compliant | Yes |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
| Certifications | CE, FCC |
Advanced Security Features
| Hardware Encryption Support | Drive dependent; adapter does not provide encryption |
| Secure Installation Feature | Tool-less design not supported; standard mounting screws required |