StarTech.com USB 3.0/eSATA Dual 3.5” SATA III Hard Drive External RAID Enclosure w/ UASP and Fan – B

StarTech.com USB 3.0/eSATA Dual 3.5” SATA III Hard Drive External RAID Enclosure w/ UASP and Fan – B

£66.53 inc VAT
£55.45 exc VAT

StarTech.com USB 3.0/eSATA Dual (3.5 inch) SATA III Hard Drive External RAID Enclosure with UASP and Fan (Black) More Info

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SKU: S3520BU33ER

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Create an external dual 3.5in HDD SATA RAID array, connected through either USB 3.0 with UASP or eSATA

The S3520BU33ER 2-Bay RAID Enclosure offers a high-performance external storage solution, enabling you to build a secure RAID array with two 3.5” SATA hard drives, with the option to connect it to your computer through either an available USB 3.0 or eSATA port.

For fast data transfers and efficient performance from your SATA III drives, the RAID enclosure supports full SATA III transfer speeds (up to 6 Gbps), as well as full USB 3.0 transfer speeds (up to 5Gbps). When connected through USB, the enclosure supports UASP, which offers performance up to 70% faster than conventional USB 3.0 when paired with a UASP-enabled host controller (see our performance below).

With support for JBOD, Spanning, RAID 0, and RAID 1,the enclosure offers several options that enable you to customize your drive arrangement based on your storage requirements. 

To maximize both durability and reliability, the external RAID enclosure features high-quality aluminum construction with a built-in fan that helps improve ventilation and maintain a better operating environment for your drives.

The HDD enclosure offers a versatile solution for increasing the storage/backup capabilities of your computer, with support for large capacity hard drives (tested up to 4TB). 

To ensure compatibility with your computer system, the S3520BU33ER supports all of the leading operating systems, including: Microsoft Windows (8/7/Vista/XP/Server 2008/Server 2003), Apple OSX (10.9/10.8/10.7/10.6), Linux, and Google Chrome OS.

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.

The StarTech.com Advantage

- Versatile connectivity options, through either USB or eSATA
- Time-saving file transfers, up to 70% faster than traditional USB 3.0 when used with a UASP-supported host
- Achieve greater drive capacity or secure data redundancy with multiple RAID modes
- Maximize performance, with file transfer speeds up to 6Gbps using SATA III

Storage
Number of storage drives supported2
Storage drive size3.5"
Supported storage drive interfacesSerial ATA, Serial ATA II, Serial ATA III
Maximum storage capacity4 TB
RAID levels0,1,BIG,JBOD
Hot-swapYes
Ports & interfaces
USB version3.2 Gen 1 (3.1 Gen 1)
USB connectivityYes
USB connector typeUSB Type-B
Integrated USB cableNo
eSATA ports quantity1
Technical details
RAID levels0,1,BIG,JBOD
Number of fans1 fan(s)
MaterialAluminium, Plastic
LED indicatorsActivity, Power
Hot-swapYes
Fan diameter8 cm
Data transfer rate6 Gbit/s
Product colourBlack
ChipsetJMicron - JMS562
USB version3.2 Gen 1 (3.1 Gen 1)
Power plug typeType M
Maximum storage capacity4 TB
Sustainability certificatesRoHS
Design
Product typeHDD enclosure
CertificationCE, FCC, REACH
Number of fans1 fan(s)
MaterialAluminium, Plastic
LED indicatorsActivity, Power
Fan diameter8 cm
Product colourBlack
Performance
UASP supportYes
Port multiplierYes
Mean time between failures (MTBF)30000 h
Data transfer rate6 Gbit/s
ChipsetJMicron - JMS562
Power
AC adapter output voltage12 V
AC adapter output current3 A
AC adapter input voltage100 - 240 V
Packaging data
Package weight1.4 kg
Package width180 mm
Package depth256 mm
Package height140 mm
Certificates
CertificationCE, FCC, REACH
Operational conditions
Storage temperature (T-T)-20 - 50 °C
Operating temperature (T-T)5 - 35 °C
Operating relative humidity (H-H)20 - 80%
Weight & dimensions
Weight620 g
Width113 mm
Depth176 mm
Height85 mm
Package weight1.4 kg
Package width180 mm
Package depth256 mm
Package height140 mm
Packaging content
ManualYes
Cables includedSATA,eSATA
Other features
Power plug typeType M

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