SM21BMU31C3 M.2 to SATA SSD Enclosure Part number: V209120
Manufacturer product ID: SM21BMU31C3
UPC Code: UPC65030864435
Box quantity: 100*
Sub-category: Enclosures
Weight (Kg): 0.13
Warranty period: 24 Months
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Turn your M.2 SATA drive into an ultra-fast, ultra-portable storage solution for USB-C enabled devices

FULL TITLE - SM21BMU31C3 M.2 to SATA SSD Enclosure - USB 3.1 (10Gbps) with USB-C Cable - External Enclosure

  • Leverage your SATA M.2 SSD to add fast external storage to your USB-C enabled host (USB-C cable included)
  • Supports USB 3.1 Gen 2 (10Gbps)
  • Compatible with Thunderbolt 3 USB-C port

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.

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 warranty and free lifetime technical support.


  Bus Type USB 3.1 Gen 2
  Chipset ID ASMedia - ASM1351
  Compatible Drive Types M.2 SATA (NGFF, B-Key)
    M.2 SATA (NGFF, B+M-Key)
  Drive Installation Fixed
  Interface USB 3.1 Gen 2
  Number of Drives 1
  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
  Drive Connectors 1 - M.2 SATA (NGFF, B-Key) Receptacle
  Host Connectors 1 - USB 3.1 USB Type Micro-B (10 pin, Gen 2, 10 Gbps) Female
  OS Compatibility OS independent; No software or drivers required
  LED Indicators 1 - Power & Activity
  Power Source USB-Powered
  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 80 mm [3.1 in]
  Product Height 13 mm [0.5 in]
  Product Length 99 mm [3.9 in]
  Product Weight 61 g [2.2 oz]
  Product Width 42 mm [1.7 in]
Packaging Information
  Shipping (Package) Weight 139 

Box Contents

  • 1 x M.2 NGFF SATA Enclosure - USB 3.1
  • 1 x USB-C to Micro B cable - 18.5 inches
  • 1 x M.2 screw kit
  • 1 x screwdriver
  • 1 x quick install guide

*Box quantity refers to the number of units contained in this product's outer packaging. It does not refer to the number of products purchased for the quoted unit price unless otherwise stated.

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