StarTech.com

USB 3.1 (10Gbps) 2.5" SATA SSD/HDD Enclosure with Integrated USB-C Cable

Create a fast and portable data storage solution for your USB Type-C enabled laptop

Product ID: S251BU31C3CB

  • Turn a 2.5” drive into fast USB 3.1 external storage for your USB-C enabled tablet or laptop
  • Built-in USB-C cable makes it ultra-portable and means one less thing to carry with you
  • Supports SATA I, II, III (up to 6Gbps)
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  • Sleek, durable aluminum housing
  • Supports 5 mm - 9.5 mm drive height
  • Powered directly from the USB port
  • UASP support for enhanced performance
£45.99 GBP exc VAT
£55.19 GBP inc VAT
557+ In stock

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Overview

Here’s a great way to add ultra-fast, ultra-portable data storage to your USB-C™ enabled tablet or laptop, including MacBook, Chromebook Pixel™ and Dell XPS 12. This USB 3.1 Gen 2 drive enclosure features a built-in USB-C cable that makes it easy to connect a 2.5 in. SATA hard drive (HDD) or solid-state drive (SSD) to your computer through its USB-C port.

Portable storage with a built-in USB-C cable

This ultra portable drive enclosure tucks easily into your laptop bag to provide fast access to external data storage.

This portable drive enclosure turns your 2.5 in. SATA solid-state drive or hard drive into external data storage that’s easy to take with you. Its compact, lightweight design makes it convenient to tuck into your laptop bag or carrying case.

To maximize portability, the enclosure features a built-in USB-C cable, so you never have to worry about forgetting to bring your connector cable with you wherever you go. The cable wraps safely around the enclosure while it’s not in use, to prevent damage or tangles and take up less space in your laptop bag. The USB Type-C™ connector is small and reversible, which makes for easier insertions and less risk of port damage. The drive enclosure is USB powered, with no external power adapter required, which means one less thing to carry with you.

Ultra-fast data transfer speeds

The integrated USB-C cable on the the drive enclosure connects easily to the USB-C port on your laptop.

The drive enclosure connects easily to the USB-C port on your laptop or tablet, allowing you to access and store files, faster than ever. This USB 3.1 Gen 2 drive enclosure lets you leverage the high performance of the latest SSDs and hard drives. It supports data transfer rates of up to 10Gbps - twice the speed of USB 3.0 (USB 3.1 Gen 1) technology.

The drive enclosure supports SATA I, II and III (up to 6Gbps) and also supports UASP for enhanced performance.

Sleek design in durable aluminum

Engineered with a sleek and durable aluminum housing, the enclosure is equipped to keep your data safe and secure wherever you go. The aluminum housing also helps to distribute heat, to assist with dissipation. 

The S251BU31C3CB is backed by a StarTech.com 2-year warranty and free lifetime technical support.

Applications

Add portable external data storage to your USB-C equipped laptop or tablet using a 2.5 in. solid-state drive or hard drive

Use your SATA SSDs/HDDs at maximum speed, by taking advantage of ultra-fast USB 3.1 Gen 2 (10Gbps) connectivity

Back up your important data to an external storage device

Share large files between computers quickly and securely, without a network

Technical Specifications

Warranty Information
Warranty 2 Years
Hardware
Bus Type USB 3.1 Gen 2
Chipset ID ASMedia - ASM1351
Compatible Drive Types SATA
Drive Installation Fixed
Drive Size 2.5in
Fan(s) No
Interface USB 3.1 Gen 2
Number of Drives 1
Supported Drive Height(s) 5mm
7mm
9.5mm
Performance
4Kn Support Yes
Max Drive Capacity Currently tested with hard drives up to 2TB at 7200 RPM
Maximum Data Transfer Rate 10 Gbps
MTBF 100000
TRIM Support Yes
Type and Rate USB 3.1 Gen 2 - 10 Gbit/s
SATA III (6 Gbps)
UASP Support Yes
Connector(s)
Connector Type(s) 1 - USB Type-C (24 pin) USB 3.1 (10Gbps)
Drive Connectors 1 - 22 pin SATA Data + Power (7 + 15 pin) Plug
Host Connectors 1 - USB Type-C (24 pin) USB 3.1 (10Gbps)
Software
OS Compatibility OS independent; No software or drivers required
Indicators
LED Indicators 1 - Power and Activity
Environmental
Humidity Operation Humidity: 10% ~ 90% RH
Storage Humidity: 5% ~ 95% RH
Operating Temperature 0°C to 40°C (32°F to 104°F)
Storage Temperature -10°C to 65°C (14°F to 149°F)
Physical Characteristics
Cable Length 273 mm [10.7 in]
Color Black
Enclosure Type Aluminum and Plastic
Max Drive Height 9.5 mm [0.4 in]
Product Height 15.4 mm [0.6 in]
Product Length 138.8 mm [5.5 in]
Product Weight 126 g [4.4 oz]
Product Width 82.8 mm [3.3 in]
Packaging Information
Shipping (Package) Weight 226 g [8 oz]
What's in the Box
Included in Package 1 - USB 3.1 2.5" SATA SSD/HDD enclosure with USB-C cable
3 - enclosure assembly screws
3 - drive-mount hardware screws
1 - screwdriver
1 - quick install guide
Supports any operating system.
No additional drivers or software required.

Certifications

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Accessories

Product Support

Frequently Asked Questions

Before You Buy

To determine if your hard drive will work in this enclosure, on the product page, click the Technical Specifications tab, and do the following:

  • Make sure that the enclosure supports the storage size of your hard drive. If the storage size of your hard drive is larger than what the enclosure was tested with, the hard drive will likely still work with the enclosure.
  • Confirm that your hard drive uses the same interface type as the enclosure. For example, IDE, SATA, or M.2.
  • Make sure that the enclosure supports the physical size of your hard drive, such as 2.5 inches or 3.5 inches.
  • Make sure that the enclosure supports the height of your hard drive. For example, 9 mm or 15 mm.
  • Verify that the power consumption of your hard drive doesn’t exceed the power output of the enclosure. If you’re using multiple hard drives, make sure that the combined power consumption of all of the hard drives doesn’t exceed the power output of the enclosure.

USB 3.1 is the most recent version of the USB (Universal Serial Bus) standard for connecting computers and electronic devices. It is capable of data transfer speeds up to 10Gbps, and while it can use the USB-C connector type, it can also use a variety of other connector types. To achieve USB 3.1 transfer speeds, your USB host connection, cables, and device must all support USB 3.1. USB 3.1 is also known as USB 3.1 Gen 2 (10Gbps). 

USB 3.0 is capable of data transfer speeds up to 5Gbps. USB 3.0 is also known as USB 3.1 Gen 1 (5Gbps).

USB 3.1 is backwards compatible with USB 3.0 and USB 2.0, except in the following scenarios:

  • USB-B 3.1 cables are not compatible with USB-B 2.0 ports.
  • Unless you use an adapter, USB-C ports or cables will not work with USB-A or USB-B ports or cables.
  • Devices that require USB 3.1 transfer speeds of 10Gbps might not work with USB 3.0 or USB 2.0, or you might experience lower transfer speeds and impacted performance.
  • Bus-powered USB devices that requires more power than what USB 2.0 can provide are not compatible with USB 2.0.

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To transfer data at speeds of 10Gbps, you need to confirm that the following components in your setup support USB 3.1:

  • The USB host connection
  • The USB cable
  • The USB device and any subcomponents (for example, a hard drive docking station and the hard drives in the docking station)

Note: USB 3.1 is also known as USB 3.1 Gen 2 (10Gbps). Devices that support USB 3.1 should have the USB 3.1 symbol on them. If the USB 3.1 symbol does not appear on your USB source or device, refer to the information provided by the manufacturer to confirm whether the USB source or device support USB 3.1.

The included USB cable for this USB 3.1 Gen 2 device has been tested and verified to perform at USB 3.1 Gen 2 speeds of 10Gbps.

USB-C is a type of USB connector that is capable of supporting the following:

  • Data transfer speeds up to 10Gbps, if you use USB 3.1.
  • Bi-directional power delivery up to 100W, if both the USB host connection and the device support it.
  • Alternate modes, which deliver different types of data at different speeds. For example, DisplayPort Alternate Mode (DP Alt Mode).

If using Thunderbolt 3 over USB-C, the connection is capable of additional features. For example, Thunderbolt 3 is capable of 40Gbps of total bandwidth. For more information, refer to the following FAQ: https://www.startech.com/faq/thunderbolt-3-port-capabilities.

Not all USB-C ports or devices are capable of supporting all of the features listed above, or all of the features at the maximum capabilities. If you require a specific USB-C feature, your USB host connection, cables, and device must all support the feature that you require. For more information about whether your components support specific USB-C features, refer to the information provided by the manufacturers. 

Troubleshooting

When you troubleshoot issues with a hard drive enclosure, there are some quick tests that you can complete to rule out potential problems. You can test to make sure that the following components are working correctly and are not the source of the issue:

  • Cables
  • Hard drives
  • Hard drive enclosure

To test your setup components, try the following:

  • Use the cables, hard drives, and hard drive enclosure in another setup to see if the problem is with the components or the setup.
  • Use a different cable, hard drive, and hard drive enclosure in your setup to see if the problem persists. Ideally, you should test a component that you know works in another setup.

When you test the hard drive and hard drive enclosure, it is recommended that you do the following:

  • To check Disk Management, press the Windows key + R, type diskmgmt.msc, and press Enter. Check to see if your hard drive is listed.
  • If the hard drive is listed with unallocated space, the hard drive needs to be reformatted. Right-click unallocated and click New Simple Volume. Follow the on-screen instructions to complete the reformatting.​

Note: Formatting a hard drive erases all of the data on it. Make sure that you back up all of your data before you reformat the hard drive.​

  • If the hard drive is listed as healthy but does not have a drive letter, for example, C:, right-click healthy and click Change Drive Letter and Paths. Click Add, assign a drive letter, and click OK.

Note: A formatted hard drive will not show up in Computer or My Computer until it has a drive letter assigned to it.

If your setup components support USB 3.1 but you are experiencing slower transfer speeds than you expected, consider the following:

  • A USB host connection with multiple USB 3.1 ports might not be able to support 10Gbps on each port simultaneously.
  • The type of port on a device does not determine whether the device is capable of USB 3.1 speeds. A USB-C port might not support USB 3.1 speeds, while USB-A and USB-B ports might support USB 3.1 speeds.
  • Any other devices that you include in your setup, such as an older hard drive in a USB 3.1 enclosure, might create a point of congestion and slow down transfer speeds.

To confirm the functionality of your USB host connection, its ports, and any other devices in your setup, refer to the information provided by the manufacturer.

Note: USB 3.1 is also known as USB 3.1 Gen 2 (10Gbps). Devices that support USB 3.1 should have the USB 3.1 symbol on them. If the USB 3.1 symbol does not appear on your USB source or device, refer to the information provided by the manufacturer to confirm whether the USB source or device support USB 3.1.

You should not upgrade your device's firmware if you do not have any issues with the functionality of your device. The only time you should consider an upgrade is if you are experiencing a problem with the device, and you have confirmed that the firmware addresses this problem.  You can confirm this is the case by reviewing the documentation included with the firmware or by consulting with our Technical Support team. Incorrectly upgrading firmware can result in diminished performance so it is best to contact StarTech.com if you would like to perform this operation.

USB 3.1 (10Gbps) 2.5" SATA SSD/HDD Enclosure with Integrated USB-C Cable

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(5 stars) Wow

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This comes as a small solid metal case with 16" cable. The performance difference was amazing when testing this with a standard type enclosure. Smaller files (1-4k) seen an increase in speed of 2-3x for both reading and writing. While larger files (8k-16mb) seen around a 15x performance increase. Disclaimer - I received this product in exchange for an unbiased review.
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