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Startech S252bu33r Dual 2.5in Drive Enclosure - Usb 3.0 - PS2 - Cables - COMPUTER HARDWARE

Startech S252bu33r Dual 2.5in Drive Enclosure - Usb 3.0


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Retail Price $168
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SKU#: S252BU33R / ITEM NO: 570526 / BRAND: Startech
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Dual-bay 2.5in Hard Drive Enclosure - USB 3.0 to SATA III 6Gbps with RAID and UASP - Supports 2.5in SSD/HDDs from 5mm to 15mm - Supports RAID 0 1 Spanning and JBOD

Startech S252bu33r Dual 2.5in Drive Enclosure - Usb 3.0


  • Create a powerful external USB 3.0 storage solution, supporting two 2.5" SSD or HDD drives
  • Sleek, compact design works beautifully with your Mac or PC
  • Transfer files quickly with SATA III (6Gbps) power and USB 3.0 with UASP
  • Achieve enhanced performance and data redundancy with RAID 0,1, spanning and JBOD
  • Requires only 5V power, allowing flexible power options

This USB 3.0 2-bay enclosure for 2.5in drives gives you the performance you want in an external storage system - and features a stylish, compact design that looks great next to your Mac or PC.  Ideal for professional business settings or home offices, it provides a powerful data storage solution for your desktop computer, laptop, Ultrabook™ or Chromebook™.

High capacity, high performance external storage

The dual drive enclosure lets you install two 2.5in SSDs or HDDs (from 5mm to 15mm) to create high capacity external data storage. To maximize the performance and speed of your SATA III (6Gbps) drives, the enclosure is enhanced with UASP delivering up to 70% faster transfer speeds than conventional USB 3.0. (See testing results below.) 

Sleek, compact design with flexible power options

With its compact design and small footprint, this high performance 2-bay enclosure occupies minimal space in your work area

The compact design, small footprint and sleek finish make this enclosure the perfect desktop companion for your Mac or PC.

Requiring only 5V of power, you have the option to power the enclosure through USB alone, without the need for an external power adapter. It can be powered through a single or two USB sources, such as USB chargers or ports on your laptop, depending on your drive set-up. In stationary applications or configurations where more power is desired, a power adapter is included.  The enclosure gives you a convenient, energy-efficient storage solution with flexible storage set-up options - and easy portability.

Increased performance and data redundancy with RAID

Enjoy peace of mind, knowing your files are continually backed up or take advantage of greater speed and capacity offered with a combined solution. The enclosure supports RAID 0, 1, Spanning, and JBOD, enabling you to choose your preferred backup mode. With the convenience of RAID, you can achieve increased size, performance, or redundancy.

The enclosure is compatible with Windows®, Mac®, Chrome OS™ and Linux® systems without having to install additional drivers or software.

Enhanced performance through UASP

This high-performance SuperSpeed USB 3.0 enclosure supports data transfer rates of up to 5Gbps and is enhanced with UASP support, which can deliver ~70% faster read speed and 40% faster write speed over traditional USB 3.0, when paired with a UASP-enabled host.

UASP speed benefit diagram

Note: UASP (USB Attached SCSI Protocol) is supported in Windows 8, 8.1, Server 2012 and Linux kernel 2.6.37 or later. Test results were obtained using an Intel® Ivy Bridge system, add-on USB 3.0 cards, a UASP-enabled enclosure, and a SATA III solid state drive.

The S252BU33R dual-bay enclosure is ruggedly built to deliver long-lasting performance, and is backed by a 2-year warranty and free lifetime technical support.

Drive ConnectorsSATA Data & Power Combo (7+15 pin) Receptacle
Host ConnectorsUSB Type-B (9 pin) USB 3.0 Female
Humidity10~90% RH
Operating Temperature0°C to 40°C (32°F to 104°F)
Storage Temperature-10°C to 65°C (14deg;F to 149°F)
Bus TypeUSB 3.0
Chipset IDJMicron - JMS561
Compatible Drive Types (Type and Rate)SATA
Drive InstallationFixed
Drive Size2.5in
Fan Bearing TypeBall Bearing
Fans40 mm
InterfaceUSB 3.0
Number of 2.5 inch bays2
Number of Drives2
Supported Drive Height(s)12.5mm
LED IndicatorsHHD 1 Activity LED
HHD 2 Activity LED
Power LED
Packaging Information
Shipping (Package) Weight730 g [25.8 oz]
Hot Swap CapabilityYes
Max Drive CapacityCurrently tested with up to 2TB 7200 RPM hard drives (4 TB total)
Maximum Data Transfer RateUSB 3.0 - 5 Gbps
Noise Level21 dBA
Supported RAID ModesBIG (Spanning or Concatenation)
JBOD - (Just a Bunch of Disks)
RAID 0 (Striped Disks)
RAID 1 (Mirrored Disks)
Type and RateSATA III (6 Gbps)
USB 3.0 - 5 Gbit/s
UASP SupportYes
Physical Characteristics
Enclosure TypeAluminum and Plastic
Max Drive Height15 mm [0.6 in]
Product Height90 mm [3.5 in]
Product Length132 mm [5.2 in]
Product Weight350 g [12.4 oz]
Product Width50 mm [2 in]
Input Current0.4 A
Input Voltage100 ~ 240 AC
Output Current2 A
Output Voltage5 DC
Plug TypeH
Power SourceAC Adapter Included
OS CompatibilityOS independent; No software or drivers required
What's in the Box
Included in PackageInstallation screw kit
Quick install guide
Universal Power Adapter (NA/EU/UK/AU)
USB 3.0 cable
USB 3.0 Dual 2.5” SATA HDD/SSD RAID Enclosure
USB to Power Cable (Type H Barrel)

Brand StarTech
Manufacturer Warranty
2 Years Limited Warranty
Manufacturer Contact Info

Our customer service staff are standing by to assist you. Should you have questions about this product, please complete the form below and we'll be in touch soonest possible. We aim to answer your enquiries within 24 hours.

For IMMEDIATE customer service assistance or help with an order please call our Customer Service Team on: 02 9011 2078
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