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Quick start guide

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: 01/25/2016

For the latest information, technical specifications, and support for 

this product, please visit www.startech.com/S251BPU31C3.

Packaging contents

•  1 x USB 3.1 to 2.5 in. SATA HDD enclosure

•  1 x drive cushion

•  1 x USB Type-C™ to Micro B cable

•  1 x quick start guide

System requirements

•  2.5 in. SATA HDD (hard drive) or SSD (solid-state drive) (maximum 

height of 9.5 mm)

•  USB-enabled computer system with an available USB Type-C port

Note:

 To obtain the maximum USB throughput, you must use a PC 

with a USB 3.1 Gen 2 port.

System requirements are subject to change. For the latest 

requirements, please visit 

www.startech.com/S251BPU31C3

.

S251BPU31C3

USB 3.1 (10Gbps) Tool-Free Enclosure for 2.5” SATA SSD/HDD - USB-C

*actual product may vary from photos

Product diagram

Side view

USB 3.1 port

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 drive, 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 several seconds 

to discharge any built-up static electricity.

1.  To open the enclosure, slide the top panel away from the USB port 

and lift it away from the enclosure base.

2.  Attach the included drive cushion to the back side of the 

enclosure, opposite of the SATA connector.

3.  Connect the 2.5 in. SATA hard drive or solid-state drive.

4.  Align the hooks on the top panel with the grooves on the base of 

the enclosure and slide the top panel back into place.

Connect the enclosure

Connect the enclosure to the host system using the included USB 

cable. When the drive is connected, the operating system detects 

the drive and automatically installs the necessary software and 

drivers, making the drive accessible as though it’s installed within 

the system.

Before you use the hard drive, it needs to be formatted according to 

your operating system requirements. To format your newly attached 

hard drive or to create partitions, consult the documentation that 

came with your operating system at the time of purchase.

Power the enclosure

The hard drive doesn’t require an external power supply, as it’s 

capable of receiving enough power from the USB bus that it’s 

connected to.

LED indicators

The enclosure features an LED indicator that you can use to monitor 

drive activity. When your drive is powered on, the LED indicator is 

illuminated. When the drive is being accessed, the LED blinks.

Warning! 

Don’t remove the hard drive from the host computer 

when the LED is blinking, as it could damage the drive and you could 

experience lost or corrupted data.

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