StarTech.com U2M2E125 M. 2 to U. 2 Adapter - M. 2 PCIe NVMe SSD to U. 2 (SFF-8639) Host Adapter for 2.5" Drive Bays
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Product Features
Technical Overview
This adapter converts the M.2 PCIe NVMe interface to U.2 (SFF-8639), preserving native NVMe protocol support without requiring additional drivers in most operating systems. The U.2 host interface is widely used in enterprise and data center environments, providing a reliable connection for high-speed storage expansion.
The adapter's design includes precise mounting hardware and a quick-start guide to facilitate straightforward installation. Its compact dimensions of 3.90" × 2.80" × 0.30" (99.06 × 71.12 × 7.62 mm) and lightweight construction at 1.30 oz (36.85 g) ensure minimal impact on system airflow and physical space requirements.
Relevant factors for this section include Color Family, Product Color, Product Material, Package Contents. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
The U2M2E125 adapter delivers practical benefits for IT professionals and system builders seeking to optimize storage configurations without replacing existing infrastructure.
These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include Performance Preservation, Installation Simplicity.
Performance Preservation
Maintains the full performance capabilities of M.2 PCIe NVMe SSDs when connected through U.2 interfaces, ensuring minimal latency and maximum throughput for demanding applications.
- Native NVMe protocol support
- Backward compatible with PCIe generations
Installation Simplicity
Includes all necessary mounting hardware and a quick-start guide for rapid deployment, reducing setup time and technical complexity in diverse computing environments.
- 4 adapter-mounting screws included
- Drive-mounting hardware provided
Deployment / Use Cases
This adapter is ideal for environments where U.2 connectivity is available but M.2 drive support is limited or absent. It enables cost-effective storage upgrades by allowing newer M.2 NVMe drives to be utilized in systems designed for U.2 interfaces.
Common deployment scenarios include server racks requiring additional high-speed storage, workstations needing expanded NVMe capacity, and legacy systems where U.2 bays are underutilized. The adapter's compatibility with standard 2.5" drive bays makes it suitable for both enterprise servers and high-performance desktop configurations.
Server Storage Expansion
Add M.2 NVMe SSDs to server chassis with available U.2 bays, enhancing storage performance for virtualization, database applications, and content delivery networks.
Workstation Performance Boost
Upgrade workstation storage by installing M.2 drives in U.2 enclosures, improving load times for creative applications, engineering software, and data analysis tools.
Physical Profile
Constructed from durable steel with a red finish, the adapter combines robust physical protection with visual distinction in multi-drive installations. The low-profile height of 0.30" (7.62 mm) ensures compatibility with tightly spaced drive bays, while the 2.80" (71.12 mm) width and 3.90" (99.06 mm) length match standard 2.5" form factor requirements for seamless integration.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 0.30" (7.62 mm), 2.80" (71.12 mm), 1.30 oz (36.85 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 2.80" (71.12 mm)
- Height
- 0.30" (7.62 mm)
- Weight
- 1.30 oz (36.85 g)
- Length
- 3.90" (99.06 mm)
What's in the Box
The package includes all components necessary for immediate installation and operation.
Highlights
- Converts M.2 PCIe NVMe SSDs to U.2 (SFF-8639) host interface
- Supports single M.2 PCIe NVMe SSD with M-Key configuration
- Fits standard 2.5" drive bays for easy integration
- Native OS support enables plug-and-play functionality
- Backward compatible with earlier PCIe versions
- Steel construction with red finish for durability
- Includes mounting hardware and quick-start guide
- CE, FCC, EU RoHS, and TAA compliant certifications
- 2-year limited warranty for reliable performance
- Environmentally compliant with RoHS 2, REACH, and WEEE standards
Specifications
| Specifications | |
|---|---|
| Manufacturer | StarTech.com |
| Manufacturer Part Number | U2M2E125 |
| Brand Name | StarTech.com |
| Product Name | M.2 Drive to U.2 (SFF-8639) Host Adapter for M.2 PCIe NVMe SSDs |
| Packaged Quantity | 1 Each |
| Product Type | M.2 to U.2 Adapter |
| Physical Characteristics | |
| Color Family | Red |
| Product Color | Red |
| Product Material | Steel |
| Height | 0.30" (7.62 mm) |
| Width | 2.80" (71.12 mm) |
| Length | 3.90" (99.06 mm) |
| Weight (Approximate) | 1.30 oz (36.85 g) |
| Miscellaneous | |
| Package Contents | M.2 Drive to U.2 (SFF-8639) Host Adapter for M.2 PCIe NVMe SSDs 4 x Adapter-mounting Screws 1 x Set of Drive-mounting Hardware 1 x Quick-start Guide |
| Certifications & Standards | CE FCC |
| Environmentally Friendly | Yes |
| Environmental Certification | EU RoHS |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS) 2,Registration, Evaluation, Authorization and Restriction of Chemicals (REACH),Waste Electrical and Electronic Equipment Directive (WEEE) |
| Country of Origin | Taiwan |
| TAA Compliant | Yes |
| Warranty | |
| Limited Warranty | 2 Year |
User Manual
FAQ
What types of M.2 drives are compatible with this adapter?
The adapter supports M.2 PCIe NVMe SSDs with M-Key configuration. It is designed specifically for NVMe protocol drives and does not support SATA-based M.2 drives or other key types. This ensures optimal performance for high-speed storage applications in compatible systems.
Can this adapter be used in both servers and desktop computers?
Yes, the adapter is compatible with any system that has a U.2 (SFF-8639) host interface and standard 2.5" drive bays. This includes enterprise servers, workstations, and desktop computers with appropriate U.2 connectivity, making it versatile for various deployment scenarios requiring M.2 NVMe storage expansion.
Does the adapter require additional drivers for operation?
Most modern operating systems with native NVMe support will recognize the adapter without requiring additional drivers. The adapter maintains the NVMe protocol through the U.2 interface, enabling plug-and-play functionality in Windows, Linux, and other OS environments that support standard NVMe storage devices.
What is the physical size of the adapter, and how does it fit into drive bays?
The adapter measures 3.90" × 2.80" × 0.30" (99.06 × 71.12 × 7.62 mm) and weighs 1.30 oz (36.85 g). It is designed to fit into standard 2.5" drive bays commonly found in servers and desktop enclosures, with included mounting screws and hardware for secure installation in compatible drive slots.
What certifications does this adapter carry?
The adapter is certified for CE, FCC, and EU RoHS compliance, ensuring it meets European safety and environmental standards. It is also TAA compliant for government procurement and adheres to environmental regulations including RoHS 2, REACH, and WEEE directives for hazardous substance restriction and electronic waste management.
What warranty coverage is provided with this adapter?
StarTech.com provides a 2-year limited warranty for this adapter, covering defects in materials and workmanship under normal use. This warranty ensures reliable performance and support for professional deployments, backed by the manufacturer's commitment to quality and durability in storage connectivity solutions.
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