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Startech S251bru33 Rugged 2.5in Hard Drive Enclosure - PS2 - Cables - COMPUTER HARDWARE

Startech S251bru33 Rugged 2.5in Hard Drive Enclosure


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Retail Price $84
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SKU#: S251BRU33 / ITEM NO: 570528 / BRAND: Startech
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Rugged Hard Drive Enclosure - USB 3.0 to 2.5in SATA 6Gbps HDD or SSD - UASP - Military MIL-STD-810G Rated - IP54 rated water and dust resistance -Tool-less design for easy use

Startech S251bru33 Rugged 2.5in Hard Drive Enclosure


  • Protect your data even in the toughest field conditions
  • Military Rated (MIL-STD-810G) drive enclosure provides exceptional shock resistance
  • Outstanding water and dust resistance with IP-54 rating
  • No tools needed to install or replace the hard drive
  • Fast performance with USB 3.0 w/UASP and SATA III (6 Gbps)

This rugged drive enclosure redefines data protection for on-the-go professionals. The military-grade construction protects your sensitive data from harsh field conditions.  It makes sure you’re equipped for unexpected challenges with a ruggedized water, dust, vibration and shock resistant enclosure.

Industry recognized protection against water and dust, with an IP54 rating

Rugged enclosure sitting outdoors on a rock bed in the rain

Keep your data safe and secure even through sudden downpours or dust storms. The robust enclosure provides superior water and dust resistance with an IP54 rating.

Drop tested for 4 meters (13 feet)

Diagram of 4 meter (13 feet) drop test

The rugged drive enclosure is enveloped in a silicone protective sleeve, and engineered to help protect your drive from accidental and unexpected shock, vibrations, and drops. It’s Military MIL-STD-810G rated and test-proven to withstand drops of up to 4 meters (13 feet). It was drop tested using a solid-state drive in the enclosure.

Data protection inside and out

Photo of rugged enclosure shown open with protective silicone sleeve beside

Wherever you go, the rugged drive enclosure delivers reliable data protection, inside and out.  The tough-wearing exterior casing provides shock-resistance, while the flexible silicone sleeve hugs the entire perimeter to ensure an extra measure of protection, absorbing the impact of accidental bumps, rough baggage handling or drops. Inside, an extra layer of silicone provides added drive stability.

Install your drive with ease, with a tool-less design

Diagram for tool-less design with a no-symbol over a screwdriver

It’s easy to turn your 2.5in SATA III (6Gbps) solid-state drive or hard drive into external storage. Simply remove the silicone sleeve, open the latch to insert your 2.5" drive into the rugged enclosure, and plug the included USB cable into the computer or hub USB port. There are no screws or tools needed.

70% faster than traditional USB 3.0, with UASP

Save time in the field, by storing and transferring content quickly. Enhanced with UASP (USB Attached SCSI Protocol), this rugged drive enclosure performs with a 70% faster read speed and 40% faster write speed over conventional USB 3.0, when paired with a UASP-enabled host controller.

Speed diagram showing enhanced performance for UASP, 70% faster than traditional USB

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 enclosure, and a SATA III (6Gbps) solid state drive.

The S251BRU33 is backed by a 2-year warranty and free lifetime technical support.

Cable Length103 mm [4.1 in]
Connector ASATA Data & Power Combo (7+15 pin) Female
Connector BUSB 3.0 Micro-B (10 pin, SuperSpeed) Male
Drive ConnectorsSATA Data & Power Combo (7+15 pin) Receptacle
Host ConnectorsUSB 3.0 Micro-B (10 pin, SuperSpeed) Female
Humidity20% ~ 95% RH
Operating Temperature-40°C to 85°C (-40°F to 185°F)
Storage Temperature-40°C to 85°C (-40°F to 185°F)
Bus TypeUSB 3.0
Chipset IDASMedia - ASM1153E
Compatible Drive Types (Type and Rate)SATA
Drive InstallationFixed
Drive Size2.5in
Industry StandardsMIL-STD-810G, Method 503.5 (Thermal Shock) MIL-STD-810G, Method 514.6 (Vibration) MIL-STD-810G, Method 516.6 (Shock) MIL-STD-810G, Method 507.5 (Humidity) MIL-STD-810G, Method 509.5 (Salt Spray) MIL-STD-810G, Method 510.5, Procedure I (Sand and Dust) MIL-STD-810G, Method 508.6 (Fungus)
InterfaceUSB 3.0
Number of 2.5 inch bays1
Number of Drives1
Supported Drive Height(s)7mm
LED IndicatorsDiagnostic LED (Drive Power and Activity)
Packaging Information
Shipping (Package) Weight402 g [14.2 oz]
Hot Swap CapabilityYes
Max Drive CapacityTested up to 2TB at 7200 RPM
Maximum Data Transfer Rate5 Gbps
Type and RateSATA III (6 Gbps)
USB 3.0 - 5 Gbit/s
UASP SupportYes
Physical Characteristics
Product Height29 mm [1.1 in]
Product Length143 mm [5.6 in]
Product Weight265 g [9.4 oz]
Product Width112 mm [4.4 in]
Power SourceUSB-Powered
OS CompatibilityOS independent; No software or drivers required
What's in the Box
Included in PackageFoam pad for 7mm drives
Instruction manual
USB 3.0 cable
USB 3.0 rugged 2.5in enclosure

Brand StarTech
Manufacturer Warranty
2 Years Limited Warranty
Manufacturer Contact Info

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