StarTech.com SM21BMU31CI3 M.2 SSD Enclosure
StarTech.com
StarTech.com

StarTech.com SM21BMU31CI3 M.2 SSD Enclosure

4.5

Best portable solution for repurposing spare SATA M.2 drives.

This enclosure is the perfect way to repurpose an old SATA M.2 drive into a sleek, portable external powerhouse. While it lacks support for the faster NVMe standard, its robust cooling and integrated cable make it an incredibly convenient solution for standard drive upgrades.

$51.89

In stock

at

Matrix Solutions

Who it's for

  • Power users needing rapid file transfers and high-speed storage
  • Mobile professionals requiring rugged hardware for data protection
  • Tech enthusiasts who frequently swap or upgrade drives

Who should skip it

  • Budget-conscious shoppers looking for basic storage solutions
  • Editors performing massive, sustained data transfers
  • Users with older computers lacking modern USB ports

Performance breakdown

Data Transfer Speed

USB 3.1 Gen 2 delivers snappy performance for SATA-based storage needs.

Excellent

Thermal Management

Passive ventilation design keeps drives stable during extended file transfers.

Good

Build Durability

Aluminum and plastic construction balances lightweight portability with necessary structural integrity.

Excellent

Installation Ease

Requires tools for assembly, lacking the convenience of modern snap-in enclosures.

Average

Connectivity Convenience

Integrated USB-C cable ensures you never lose your primary connection cord.

Excellent

Drive Versatility

Supports multiple SATA lengths but lacks compatibility with faster NVMe drives.

Good

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

Drive Form Factor

M.2

External Host Interface

USB 3.1 Gen 2

Know before you buy

Still have a question?

Ask Metto anything about the StarTech.com SM21BMU31CI3 M.2 SSD Enclosure before you decide.

StarTech.com SM21BMU31CI3 M.2 SSD Enclosure

Ready to buy?

Newegg
Newegg
In stock
$54.79
Buy
Matrix Solutions
Matrix Solutions
In stock
$51.89
Buy
Miatlantic
Miatlantic
In stock
$52.40
Buy
Provantage
Provantage
In stock
$53.27
Buy