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Instruction Manual

DE:

 Bedienungsanleitung - de.startech.com

FR:

 Guide de l'utilisateur - fr.startech.com

ES:

 Guía del usuario - es.startech.com

IT:

 Guida per l'uso - it.startech.com

NL:

 Gebruiksaanwijzing - nl.startech.com

PT:

 Guia do usuário - pt.startech.com

Manual Revision: 12/07/2015

For the latest information, technical specifications, and support for 

this product, please visit www.startech.com/S251BMU313.

Packaging contents

• 1 x USB 3.1 to SATA enclosure 

• 1 x USB cable 

• 1 x 7 mm to 9.5 mm SSD spacer

• 1 x protective case

• 4 x assembly screws 

• 1 x screwdriver 

• 1 x quick start guide 

System requirements

• USB enabled computer system with an available USB port

Note:

 To obtain the maximum USB throughput, StarTech.com 

recommends that you use a PC with a USB 3.1 Gen 2 port.

Operating systems are subject to change. For the latest 

requirements, please visit 

www.startech.com/S251BMU313

.

S251BMU313

USB 3.1 (10 Gbps) enclosure for 2.5” SATA drives

*actual product may vary from photos

Install the hardware

Warning! 

Hard drives and storage enclosures should be handled 

carefully, especially when they’re transported. If you’re not careful 

with your hard disk, you may lose data as a result. Make sure that 

you’re properly grounded by wearing an anti-static strap when you 

install any computer component. If an anti-static strap isn’t available, 

touch a large grounded metal surface (for example, the computer 

case) for several seconds to discharge any built-up static electricity.

1.  Use the provided screwdriver to remove the four small screws 

from the bottom of the enclosure. When the screws are removed, 

the two halves of the enclosure should pull apart.

2.  Place the 2.5” SATA drive into the half of the enclosure that 

contains the SATA connector, and slide the drive onto the SATA 

connector.

Note: 

If you’re using a 7 mm SSD drive, use the provided 7 mm to  

9.5 mm spacer.

3.  To reassemble the enclosure, place the two halves together and 

replace the four small screws into the bottom of the enclosure.

4.  Connect the USB cable to the enclosure and to the host computer 

system.

About driver installation

No driver or software installation is required if you use an operating 

system with USB support. However, this enclosure only operates at 

the speed level of the USB port it’s plugged into (for example, USB 

1.x, 2.0, 3.0, 3.1 Gen 2).

Use the storage device

If you install a hard drive that already has data on it, after you plug in 

the drive, it appears under 

My Computer

 or 

Computer

 with a drive 

letter assigned to it.

If you install a brand-new hard drive that doesn’t have any data on it, 

you must prepare the hard drive for use.

Product overview

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