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This compact M.2 SATA SSD enclosure lets you add highly portable data storage to any laptop or computer with a USB-C™ port - such as MacBook, Chromebook Pixel™, Dell™ XPS laptops, and many others. It turns your SATA M.2 drive into a high-speed storage solution over a USB 3.1 Gen 2 connection, at up to 10Gbps throughput.

A truly portable solution

This slim, pocket-sized enclosure for M.2 NGFF SATA SSDs has been specially designed for mobility, with a small form factor design that fits easily into your laptop bag. Its lightweight yet durable aluminum housing helps to ensure your drive won’t be damaged while you’re on the move.

Ventilation holes help to dissipate heat and help ensure an optimum operating temperature.

The ventilation holes help to dissipate heat and help ensure an optimum operating temperature

Maximize the performance of your M.2 SATA SSD

Leverage the speed of your M.2 NGFF SATA drive with this external enclosure. It delivers USB 3.1 Gen 2 data transfer speeds up to 10Gbps as well as UASP support, so you can achieve higher transfer speeds when you connect it to a UASP-enabled host computer.

The enclosure works with tablets, laptops and desktop computers and is compatible with hosts equipped with Thunderbolt 3 USB-C ports.

Broad compatibility

The enclosure is compatible with all of the common M.2 SATA SSDs, and enables you to mount multiple drive lengths, including: 30mm (2230), 42mm (2242), 60mm (2260), and 80mm (2280).

The SM21BMU31C3 is backed by a 2-year StarTech.com warranty and free lifetime technical support.

(SM21BMU31C3)

Warranty Information
Warranty 2 Years
Hardware
Bus Type USB 3.1 Gen 2
Chipset ID ASMedia - ASM1351
Compatible Drive Types M.2 (SATA, B-Key, NGFF)
M.2 SATA (NGFF, B+M-Key)
Drive Installation Fixed
Interface USB 3.1 Gen 2
Number of Drives 1
Performance
4Kn Support Yes
General Specifications Not compatible with M.2 NVMe or AHCI PCI-Express SSDs
Maximum Data Transfer Rate 10 Gbps
MTBF 1,000,000 hours
TRIM Support Yes
Type and Rate USB 3.1 Gen 2 - 10 Gbit/s
SATA III (6 Gbps)
UASP Support Yes
Connector(s)
Drive Connectors 1 - M.2 (SATA, B-Key, NGFF) Receptacle
Host Connectors 1 - USB 3.1 USB Type Micro-B (10 pin, Gen 2, 10 Gbps) Female
Software
OS Compatibility OS independent; No software or drivers required
Indicators
LED Indicators 1 - Power & Activity
Power
Power Source USB-Powered
Environmental
Humidity Operation Humidity: 10% ~ 90% RH
Storage Humidity: 5% ~ 95% RH
Operating Temperature 0¡C to 40¡C (32¡F to 104¡F)
Storage Temperature -10¡C to 65¡C (14¡F to 149¡F)
Physical Characteristics
Color Black & Silver
Enclosure Type Aluminum
Max Drive Height 3.1 in [80 mm]
Product Height 0.5 in [1.3 cm]
Product Length 3.9 in [99 mm]
Product Width 1.7 in [42 mm]
Weight of Product 2.2 oz [61 g]
Packaging Information
Package Height 1.3 in [32 mm]
Package Length 5.2 in [13.1 cm]
Package Width 6.3 in [16.1 cm]
Shipping (Package) Weight 4.9 oz [139 g]
What's in the Box
Included in Package 1 - M.2 NGFF SATA Enclosure - USB 3.1
1 - USB-C to Micro B cable - 18.5 inches
1 - M.2 screw kit
1 - screwdriver
1 - quick install guide
SKU SM21BMU31C3
Barcode # 65030864435
Brand Startech
Shipping Weight 0.1300kg
Shipping Width 0.100m
Shipping Height 0.050m
Shipping Length 0.160m
Shipping Cubic 0.000800000m3

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StarTech M.2 SSD Enclosure for M.2 SATA SSDs - USB 3.1 (10Gbps) with USB-C Cable SM21BMU31C3

Model # SM21BMU31C3

  • SKU: SM21BMU31C3

$58.00
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