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The S251SMU33EP USB 3.0 / eSATAp drive enclosure turns a 2.5in SATA hard drive (HDD) or solid state drive (SSD) into an external portable hard drive that can connect to any USB or eSATA-enabled computer system.
For fast performance and efficient data transfers when connected through eSATA, the enclosure supports full SATA III transfer speeds -- up to 6 Gbps. For universal compatibility, the S251SMU33EP can be connected through USB 3.0 with transfer speeds up 5 Gbps plus support for UASP, which delivers performance up to 70% faster than conventional USB 3.0 when paired with a UASP-enabled host controller to utilize the full potential of your SATA III hard drives. See our UASP testing results below for further details.
Designed for maximum portability, the S251SMU33EP doesn't require an external power adapter when connected to an eSATAp (USB + eSATA combo) host port.
The 2.5in enclosure supports the fastest drive technologies including SATA III (6 Gbps), hybrid drives and solid state drives (SSD), saving you time by ensuring you're getting the most out of your drive performance.
To ensure compatibility with your computer system, the S251SMU33EP supports all of the leading operating systems, including: Microsoft Windows®, Apple® OSX, Linux, and Google Chrome OS™.
The S251SMU33EP is backed by a StarTech.com 2-year warranty and free lifetime technical support.
UASP is supported in Windows 8, Mac OSX (10.8 or above), and Linux. In testing, UASP performs with a 70% faster read speed and 40% faster write speed over traditional USB 3.0 at peak performance.
At the same peak in testing UASP also shows an 80% reduction in required processor resources.
Testing results were obtained using an Intel® Ivy Bridge system, a UASP-enabled StarTech.com Enclosure, and a SATA III solid state drive.
|Drive Connectors||SATA Data & Power Combo (7+15 pin) Receptacle|
|Host Connectors||Power eSATA (11 pin, eSATA/USB, 5V) Receptacle|
|USB 3.0 Micro-B (10 pin, SuperSpeed) Female|
|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)|
|Bus Type||USB 3.0 & eSATA|
|Chipset ID||ASMedia - ASM1153E |
ASMedia - ASM1456
|Compatible Drive Types||SATA|
|USB 3.0 & eSATA|
|Number of 2.5 inch bays||1|
|Number of Drives||1|
|Shipping (Package) Weight||0.3 kg [0.6 lb]|
|Max Drive Capacity||Currently tested with up to 2TB 7200 RPM hard drives|
|Maximum Data Transfer Rate||6 Gbps - eSATA|
5 Gbps - USB 3.0
|Type and Rate||eSATA (6 Gbps)|
|USB 3.0 - 5 Gbit/s|
|Enclosure Type||Aluminum and Plastic|
|Max Drive Height||9.5 mm [0.4 in]|
|Product Height||16 mm [0.6 in]|
|Product Length||125 mm [4.9 in]|
|Product Weight||96 g [3.4 oz]|
|Product Width||77 mm [3 in]|
|OS Compatibility||OS independent; No software or drivers required|
|What's in the Box|
|Included in Package||eSATA cable|
|Installation screws (with screw driver)|
|Phillips head screw driver|
|USB 3.0 Cable|
|USB 3.0/eSATAp 2.5" SATA Hard Drive Enclosure|
|USB to DC power adapter|