USB 3.1 (10Gbps) External Enclosure for Dual 2.5" SATA Drives - with RAID & UASP

Compact in size but big on performance, this dual-bay enclosure provides powerful external data storage, with ultra-fast data transfer speeds and configurable RAID modes. It’s ideal for small business and home office applications, or top-performing workstations for graphic designers, engineers and other business professionals.

High-capacity storage in a compact design

Create a high-capacity, external data storage solution with support for two 2.5” SSDs/HDDs in a wide range of sizes from 5 to 12.5mm. Tested for compatibility with capacities up to 4TB at 7200 RPM, this aluminum enclosure delivers fast file transfer rates with USB 3.1 Gen 2 performance. It supports SATA I, II and III and is enhanced with UASP to maximize the performance and speed of your SATA III drives. It even has a fan, with built-in speed control, to keep things running smoothly.

Harness the speed of USB 3.1 Gen 2

USB 3.1 Gen 2 gives you greater bandwidth and speed, supporting transfer rates of up to 10Gbps - twice the speed of USB 3.0 (USB 3.1 Gen 1) technology. It lets you leverage the high performance of the latest SSDs and hard drives while alleviating bottlenecks in your data transfers.

Includes two USB cables for versatility

The dual-bay drive enclosure comes with two USB cables for flexible use with the latest laptops and tablets equipped with a USB-C™ port, as well as legacy devices. It includes both USB-C to Micro B and USB-A to Micro B cables. The 2-bay enclosure is also compatible with a Thunderbolt™ 3 USB-C port.

Achieve enhanced performance through RAID

Through RAID 0 support, the dual-bay enclosure lets you maximize the performance of your SATA III SSDs to achieve greater file transfer speeds. The dual-bay enclosure also supports RAID 1, Big (Spanning or Concatenation) and JBOD. With multiple RAID options, you can gain increased storage size, performance, or redundancy.

The enclosure is OS independent, requiring no additional software or drivers. The S252BU313R is backed by a 2-year warranty and free lifetime technical support.

Manufacturer Part Number
Full Product Specifications


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Warranty Information
Warranty: 2 Years
Bus Type: USB 3.1 Gen 2
Chipset ID: ASMedia - ASM1352R
Compatible Drive Types (Type and Rate): SATA
Drive Installation: Fixed
Drive Size: 2.5in
Fan Bearing Type: Sleeve Bearing
Fan(s): Yes
Fans: 1 - 30 mm
Interface: USB 3.1 Gen 2
Number of Drives: 2
Max Drive Capacity: 2TB
Maximum Data Transfer Rate: 10 Gbps
Supported RAID Modes:
RAID 0 (Striped Disks)
RAID 1 (Mirrored Disks)
BIG (Spanning or Concatenation)
JBOD - (Just a Bunch of Disks)
Type and Rate: USB 3.1 Gen 2 - 10 Gbit/s
Drive Connectors: 2 - SATA Data & Power Combo (7+15 pin)
Host Connectors: 1 - USB 3.1 USB Type Micro-B (10 pin; Gen 2; 10 Gbps)
Physical Characteristics
Color: Black
Enclosure Type: Aluminum
Product Height: 2.4 in [60 mm]
Product Length: 5.6 in [142 mm]
Product Width: 3.2 in [81 mm]
LED Indicators:
1 - Power
1 - Read and Write - HDD1
1 - Read and Write - HDD2
Center Tip Polarity: Positive
Input Current: 0.8
Input Voltage: 110 ~ 240 AC
Output Current: 2A
Output Voltage: 12 DC
Plug Type: B
Power Source: AC Adapter Included
Humidity: 20~80% RH
Operating Temperature: 5°C to 35°C (41°F to 95°F)
Storage Temperature: -20°C to 50°C (-4°F to 122°F)
Packaging Information
Shipping (Package) Weight: 0 lb [0 kg]
What's in the Box
Included in Package:
1 - USB 3.1 to SATA enclosure
1 - USB A to Micro B cable
1 - universal power adapter (NA/EU/UK/AU)
1 - allen key
4 - rubber feet
1 - instruction manual