Dual-Slot Drive Enclosure for M.2 SATA S

  • RS Stock No. 186-1945
  • Mfr. Part No. SM22BU31C3R
  • Manufacturer Startech
Product overview and Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): TW
Product Details

SM22BU31C3R M.2 SSD Enclosure

This dual M.2 SATA enclosure with RAID makes it easy to add ultra-fast, portable external storage to your USB-C™ or USB-A enabled laptop, tablet, smartphone or desktop computer. Its multiple RAID modes provide increased capacity, improved performance, or data redundancy.

Access your external data at greater speeds

Quickly access, transfer, and backup your files wherever you go. This dual-slot M.2 RAID enclosure enables you to easily access your data by creating a high-performance, ultra-portable storage solution using two M.2 (NGFF) SATA SSDs. It’s ideal for creative professionals, such as photographers and videographers, as well as professionals in corporate, educational and government sectors who need fast access to important data files, while out in the field or back at the office.

The RAID enclosure enables you to leverage the speed of your M.2 (NGFF) SATA drives by taking advantage of USB 3.1 Gen 2, with data transfer rates of up to 10Gbps. It ensures easy access to your files for data migration and data backups so that you can safeguard important data at all times.

Increase performance and data redundancy

With multiple RAID options, the M.2 RAID enclosure enables you to gain increased storage size, performance, or redundancy. You can enjoy the peace of mind of knowing your files are continually backed up, or take advantage of greater speed and capacity offered by a combined solution. The enclosure supports RAID 0, RAID 1, Spanning, and JBOD, enabling you to choose your preferred backup mode. It also supports SSD TRIM to prolong drive lifespan and performance.

Make your data more portable

The dual M.2 SATA enclosure provides a highly portable storage solution. With its compact design, you can tuck it away inside your laptop bag or carrying case and take it anywhere - to the office, the lab, or for mobile use, so that you can access your data wherever you go. Engineered with a solid aluminum housing, the dual-slot M.2 SATA enclosure helps to safeguard your data wherever you go.

The M.2 SATA RAID enclosure is powered directly from the USB port on your device, so no external power is required. It comes with two USB cables (USB-C to Micro-B and USB-A to Micro-B) for flexible use with the latest laptops and tablets equipped with a USB-Type C™ port as well as legacy devices. The enclosure is OS independent, with no additional software or driver installation required, and is compatiIt’s also compatible with a Thunderbolt™ 3 USB-C port.

The SM22BU31C3R includes all required drive installation tools and hardware and is backed by a StarTech.com 2-year warranty and free lifetime technical support.

Features & Benefits

• Maximize the performance of your M.2 (NGFF) SATA drives with USB 3.1 Gen 2 (10Gbps) connectivity
• Supports RAID 0, RAID 1, JBOD and SPAN (BIG) for optimal performance, capacity and redundancy
• Supports all common M.2 SATA SSDs, and enables you to mount multiple drive lengths: 30 mm (2230), 42 mm (2242), 60 mm (2260) and 80 mm (2280)
• Not compatible with M.2 NVMe or AHCI PCI-Express SSDs
• Add fast, portable external storage to your USB-C or USB-A enabled laptop, tablet, smartphone or desktop computer
• Supports SSD TRIM to prolong drive lifespan and performance
• Solid aluminum enclosure with SATA I, II, III (up to 6Gbps) support
• Compatible with Thunderbolt 3 USB-C port
• Backward compatible with USB Gen 1 (USB 3.0), USB 2.0, USB 1.x


• Professionals in a wide range of industries, from corporate to medical fields, can take advantage of high-speed data access for their USB-C or USB-A enabled laptop, tablet, smartphone or desktop computer
• Mobile professionals can utilize two M.2 (NGFF) SATA SSDs to access, transfer and backup files with faster speeds over USB 3.1 Gen 2 (10Gbps)
• Re-use or re-purpose M.2 SATA drives to expand PC storage or to back up data
• Ideal for protecting drives against dust and other potential hazards
• Access drives for data recovery, backup, or repair

What’s in the package?

• M.2 SATA enclosure
• USB-C to Micro-B cable - 18.5 inches
• USB-A to Micro-B cable - 18.5 inches
• housing assembly screws
• sets of M.2 mounting hardware
• screwdriver
• quick-start guide


Will the inlcuded USB cable peform at USB 3.1 Gen 2 speeds (10Gbps)?

The included USB cable for this USB 3.1 Gen 2 device has been tested and verified to perform at USB 3.1 Gen 2 speeds of 10Gbps.

Attribute Value
Drive Size 22mm
Drive Interface M.2 SATA
Port Types USB 3.1
Body Material Aluminium
Dimensions 165 x 32 x 130mm
Height 32mm
Length 165mm
Width 130mm
2 In stock for delivery within 3 working days
Price Each
HK$ 652.99
(exc. GST)
Per unit
1 +