eSATAp / eSATA or USB 3.0 External 2.5in SATA III
6 Gbps Hard Drive Enclosure with UASP – Portable
HDD / SDD
Product ID: S251SMU33EP
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.
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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.
Improved Performance with UASP
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.
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Certifications, Reports
and Compatibility
Applications
• Take advantage of laptops and desktops that feature eSATA
connectivity
• Create a fast, portable external storage solution for Ultrabooks,
laptops or Chromebooks
• Add extra storage to any USB/eSATA-enabled computer system
• Back up important data to an external storage device
• Share large files between computers quickly and securely without a
network connection
• Retrieve data from your SATA drive, or turn your unused drive into
additional external storage space
Features
• Supports SATA III & UASP for optimal performance
• eSATA or USB 3.0 interface options
• Supports power over eSATA (eSATAp, eSATA/USB combo port) with
no additional power adapter
• Aluminum enclosure
• Compatible with SATA revision I/II/III (1.5/3.0/6.0 Gbps) drives
• Compatible with USB 3.0 / 2.0 / 1.1 (5 Gbps / 480 Mbps / 1.5 Mbps)
host connections
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Warranty 2 Years
Hardware Bus Type USB 3.0 & eSATA
Chipset ID ASMedia - ASM1153E
ASMedia - ASM1456
Compatible Drive Types SATA
Drive Installation Fixed
Drive Size 2.5in
Fan(s) No
Interface eSATA
USB 3.0
Number of 2.5 inch bays 1
Number of Drives 1
Performance 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 USB 3.0 - 5 Gbit/s
eSATA (6 Gbps)
UASP Support Yes
Connector(s) Drive Connectors 1 - SATA Data & Power Combo (7+15 pin) Receptacle
Host Connectors 1 - Power eSATA (11 pin, eSATA/USB, 5V) Receptacle
1 - USB 3.0 Micro-B (10 pin, SuperSpeed) Female
Software OS Compatibility OS independent; No software or drivers required
Indicators LED Indicators 1 - Power/Activity
Power Plug Type H
Power Source USB-Powered
Environmental 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 Silver
Enclosure Type Aluminum and Plastic
Max Drive Height 0.4 in [9.5 mm]
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Product Height 0.6 in [16 mm]
Product Length 4.9 in [125 mm]
Product Weight 3.4 oz [96 g]
Product Width 3 in [77 mm]
Packaging
Information
Shipping (Package) Weight 0.6 lb [0.3 kg]
What's in the Box Included in Package 1 - USB 3.0/eSATAp 2.5" SATA Hard Drive Enclosure
1 - USB 3.0 Cable
1 - eSATA cable
1 - Installation screws (with screw driver)
1 - Phillips head screw driver
1 - USB to DC power adapter
1 - Instruction manual
Product appearance and specifications are subject to change without notice.
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1 800 265 1844
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