StarTech.com S3520BU33ER System manual

USB 3.0/eSATA Dual 3.5” SATA III Hard Drive External RAID Enclosure w/ UASP and Fan – Black

StarTech ID: S3520BU33ER

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™.

It 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.

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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.

Applications

Business applications that require external RAID storage for data redundancy

Video editing or photography professional/enthusiasts working with very large file sizes

Transfer large files between computers quickly and securely without a network

Scenarios requiring easy storage transferability between different computer systems and large volume

external storage for backups/archiving

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Features

UASP Support (Attached SCSI Protocol Specification Revision 1.0)

eSATA or USB Host Connection

Compatible with SATA revision I/II/III (1.5/3.0/6.0 Gbps)

Hardware RAID

Plug-and-Play Compatible

Dual Drive Bay

Built-in Fan

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Technical Specifications

Warranty 2 Years

Chipset ID JM562

Compatible Drive Types (Type and Rate) SATA

Drive Installation Fixed

Drive Size 3.5in

Fan Bearing Type Ball Bearing

Fan(s) Yes

Fans 1 - 80 mm

Interface eSATA

Interface USB 3.0

Number of Drives 2

Number of internal 3.5 inch bays 2

Hot Swap Capability Yes

Max Drive Capacity Currently tested with up to 4TB 7200 RPM hard drive

Port Multiplier Yes

RAID Yes

Supported RAID Modes BIG (Spanning or Concatenation)

Supported RAID Modes JBOD - (Just a Bunch of Disks)

Supported RAID Modes RAID 0 (Striped Disks)

Supported RAID Modes RAID 1 (Mirrored Disks)

Type and Rate USB 3.0 - 5 Gbit/s

Type and Rate SATA III (6 Gbps)

UASP Support Yes

Drive Connectors SATA Data & Power Combo (7+15 pin) Receptacle

Host Connectors eSATA (7 pin; Data) Female

Host Connectors USB 3.0 B (9 pin; SuperSpeed) Female

Microsoft WHQL Certified Yes

OS Compatibility OS independent; No software or drivers required

LED Indicators 1 - Enclosure Power LED

LED Indicators 1 - Drive 1 Activity LED

LED Indicators 1 - Drive 2 Activity LED

Center Tip Polarity Positive

Input Voltage 100 ~ 240 AC

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Output Current 3 A

Output Voltage 12 DC

Plug Type M

Power Source AC Adapter Included

Humidity 20%RH ~ 80%RH

Operating Temperature 5°C to 35°C (41°F to 95°F)

Storage Temperature -20°C to 50°C (-4°F to 122°F)

Color Black

Enclosure Type Aluminum and Plastic

Product Height 3.3 in [85 mm]

Product Length 6.9 in [176 mm]

Product Weight 21.9 oz [620 g]

Product Width 4.4 in [113 mm]

Shipping (Package) Weight 47.8 oz [1355 g]

Included in Package 1 - USB 3.0/eSATA HDD RAID Enclosure

Included in Package 1 - eSATA Cable

Included in Package 1 - USB 3.0 Cable

Included in Package 1 - Universal Power Adapter (NA/EU/UK) or AU in Australia

Included in Package 1 - Rubber foot set

Included in Package 1 - Instruction Manual

Certifications, Reports and Compatibility

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