StarTech.com
StarTech.com SM21BMU31CI3 M.2 SSD Enclosure
Transform your SATA M.2 SSD into high-performance external storage using the StarTech.com SM21BMU31CI3 adapter. This portable enclosure connects seamlessly to USB-C laptops and desktops, delivering ultra-fast data transfer speeds via USB 3.1 Gen 2 (10 Gbps). It features a durable aluminum and plastic build with built-in ventilation for optimal heat management. The design includes an integrated 6-inch USB-C cable for convenience and supports common M.2 SATA SSD lengths (42mm, 60mm, 80mm). Note that this enclosure is specifically for SATA M.2 drives and is not compatible with NVMe/AHCI PCI Express SSDs.
$51.89
Owner Satisfaction
4.5
/ 5
Category Rank
176
/ 561
#176 in Hard Drive Enclosures & Mounts
Price vs Category Average
-48%
Below average
Interface
3.1210
/ USB Gen ( Gbps)
Who it's for
- High-Speed NVMe Performance
- Durable Aluminum Construction
- Simple, Tool-Less Installation
Who should skip it
- Potential for Thermal Throttling
- Limited Host Compatibility Requirement
- Higher Cost Point
Key Specs
Interface
USB 3.1 Gen 2 (10 Gbps)
Drive Compatibility
M.2 SATA SSDs (B Key / B+M Key)
Supported Lengths
42mm, 60mm, 80mm
Host Interface Type
USB 3.2 Gen 2
Material
Aluminum and Plastic
Cable Length
6 inches (15 cm)
Cooling Mechanism
Built-in ventilation
Warranty
2-year
Features
- Transforms SATA M.2 SSD into external storage
- Ultra-fast 10 Gbps data transfer speeds
- Integrated 6-inch USB-C connection cable
- Durable aluminum/plastic construction
- Built-in ventilation for heat dissipation
- Supports multiple M.2 SATA SSD lengths
- Compact and highly portable design
What customers say
This M.2 SSD enclosure earns high praise for its professional build quality and reliable performance. Users frequently highlight the durable aluminum construction, which offers a premium feel and assists with cooling. When connected via fast ports, the enclosure delivers near native SSD speeds, making it excellent for demanding tasks like large file transfers. Installation is generally simple, contributing to high ease of use. While sustained heavy workloads can cause some warmth, the overall consensus points to excellent data integrity and broad compatibility. Customers consider this a worthwhile investment, valuing the consistent speed and quality for professional applications.
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$52