
USB 3.1 (10Gbps) Tool-Free Enclosure for 2.5in SATA SSD/HDD - USB-C
StarTech ID: S251BPU31C3
Take your valuable data with you wherever you go. This single drive enclosure for 2.5” SSDs/HDDs lets you
utilize the USB-C port on your MacBook, Chromebook Pixel™, Dell™ Latitude 11 5000 Series 2-in-1, or other
device to add ultra-fast, ultra-portable data storage.
Tool-free and lightweight for ultimate portability
The enclosure’s compact design and lightweight construction provides a highly portable solution for adding
external data storage to any device with USB-C™. It tucks easily into a laptop bag or carrying case for portable
storage, and it’s completely tool-free so you can install your drives quickly on the fly. The enclosure is powered
directly from the USB port, with no external power required, so there’s no need to carry along an adapter.
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Connect with ease through USB-C
The drive enclosure comes with a USB-C to Micro B cable. The USB Type-C connector is small and reversible,
which makes for easier insertions. You can connect the USB-C plug quickly with either side facing up, which
means less risk of damaging your ports and less frustration.
Maximize the performance of your 2.5” SATA drives
With support for SATA I, II and III and large capacity drives (tested with hard drives up to 2TB), this USB-C
enclosure is compatible with virtually any 2.5in. SATA hard drive or solid-state drive. The enclosure delivers
USB 3.1 Gen 2 performance with data transfer speeds of up to 10Gbps, letting you leverage the high
performance of the latest SSDs and hard drives while alleviating bottlenecks in your data transfers. It’s also
enhanced with UASP, which increases read and write speeds, to utilize the full potential of your SATA III drives.
Harness the speed of USB 3.1
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USB 3.1 gives you greater bandwidth and speed with file transfer rates of up to 10Gbps - twice the capability of
USB 3.0 technology.
The S251BPU31C3 is backed by a StarTech.com 2-year warranty and free lifetime technical support.
Applications
Take advantage of new laptops and tablets that feature a USB-C port and ultra-fast USB 3.1 (10Gbps)
connectivity
Create fast, portable external storage for MacBook, Chromebook Pixel, Dell Latitude 11 5000 Series 2-in1 and other devices
Use your SATA SDD/HDDs at maximum speed
Back up important data to an external storage device
Share large files between computers quickly and securely without a network
Retrieve data from an old SATA drive, or turn the unused drive into additional external storage space
Features
Utilize the USB-C port on your laptop or tablet to create portable external storage for a 2.5” SSD/HDD
Get ultra-fast data transfer rates through USB 3.1 (10Gbps)
Tool-free design and lightweight enclosure for easy installation and convenient portability
Supports SATA I, II and III (up to 6Gbps)
Supports drives 5mm, 7mm and 9.5mm in height
UASP support for enhanced performance
Powered directly from the USB port
Includes a USB-C to Micro B cable
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Technical Specifications
Warranty 2 Years
Bus Type USB 3.1 Gen 2
Chipset ID ASMedia - ASM1351
Compatible Drive Types (Type and Rate) SATA
Drive Installation Fixed
Drive Size 2.5in
Fan(s) No
Interface USB 3.1 Gen 2
Number of Drives 1
Max Drive Capacity Currently tested with hard drives up to 2TB at 7200 RPM
Maximum Data Transfer Rate 10 Gbps
Type and Rate USB 3.1 Gen 2 - 10 Gbit/s
Type and Rate SATA III (6 Gbps)
UASP Support Yes
Drive Connectors 1 - SATA Data & Power Combo (7+15 pin) Female
Host Connectors 1 - USB Type-C (24 pin) USB 3.1 (10Gbps) 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)
Color Black
Enclosure Type Plastic
Max Drive Height 0.4 in [9.5 mm]
Product Height 0.6 in [15 mm]
Product Length 5.2 in [132 mm]
Product Weight 2.6 oz [73 g]
Product Width 3.5 in [88 mm]
Shipping (Package) Weight 6.4 oz [182 g]
Included in Package 1 - USB 3.1 to 2.5" SATA HDD enclosure
Included in Package 1 - drive cushion
Included in Package 1 - USB Type-C to Micro B cable
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Included in Package 1 - quick start guide
Certifications, Reports and Compatibility
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