StarTech.com M.2 SSD Enclosure for M.2 SATA Drives - USB 3.1 (10Gbps) - USB-C

Manufacturer: Startech | Model: SM21BMU31CI3 | Product ID: 5013 | Warranty: 2 Years
£36.38 (inc. VAT)
2 in stock
100% Money Back Guarantee - Risk Free

Product Technical Specification

Storage
Number of storage drives supported1
Storage drive sizeM.2
Supported storage drive interfacesM.2
Ports & interfaces
USB connectivityYes
USB version3.2 Gen 2 (3.1 Gen 2)
USB connector typeUSB Type-C
USB connector genderMale connector
Integrated USB cableYes
Design
Product typeSSD enclosure
Product colourBlack
MaterialAluminium
LED indicatorsActivity,Power
CertificationREACH, CE, FCC
Performance
Data transfer rate6
ChipsetJMicron - JMS580
UASP supportYes
Mean time between failures (MTBF)50000
Plug and PlayYes
Power
Power source typeUSB
Operational conditions
Operating temperature (T-T)5 - 35
Storage temperature (T-T)-20 - 50
Operating relative humidity (H-H)20 - 80
Weight & dimensions
Width110
Depth50
Height14
Weight95
Cable length0.145
Package width168
Package depth98
Package height30
Package weight110
Packaging content
Screws includedYes
Screwdriver includedYes
ManualYes
Technical details
Sustainability certificatesRoHS
Logistics data
Harmonized System (HS) code84733080

Delivery Options

Economy Delivery
FREE
Economy Delivery

Economy Delivery (UK)

Estimated delivery date: Wed 26th Aug 2026 to Sat 29th Aug 2026
Business Express
£6.95
Business Express

Business Express

Estimated delivery date: Tue 25th Aug 2026 to Thu 27th Aug 2026
View all Delivery Options & International Rates
Portable M.2 SATA to USB Adapter | Attached USB-C Cable

Add high-performance external data storage to your USB-C laptop, tablet or desktop computer, with this SATA M.2 SSD enclosure. It lets you use your SATA M.2 drive as an ultra-fast external storage solution over a USB 3.1 Gen 2 connection. It’s ideal for your MacBook, Dell XPS, Chromebook Pixel or other USB Type-C device.

Truly Portable

The compact M.2 SATA to USB adapter is easily portable and gives you high-speed access to your data, wherever you go. The integrated USB-C cable (6"/15.2 cm), means you’re always ready to plug it in, without having to remember to bring along a cable.

Durable Aluminum Design

The sturdy aluminum and plastic enclosure encases your M.2 SATA SSD and features built-in ventilation that improve heat dissipation to help keep your drive at a suitable operating temperature.

Use your M.2 SATA Drive for External Storage

Easily use your M.2 SATA drive as external data storage. This M.2 NGFF SSD enclosure provides a simple connection to your M.2 SATA SSD over USB 3.1 Gen 2. You can transfer files quickly, without bottlenecks, using a SATA M.2 SSD as your external drive.

Broad Compatibility

The enclosure supports common M.2 SATA SSDs and multiple drive lengths, including: 42 mm (2242), 60 mm (2260), and 80 mm (2280). The USB to M.2 SATA enclosure works with USB-C host devices and is also compatible with Thunderbolt 3 USB-C ports.

SM21BMU31CI3 is backed by a 2-year StarTech.com warranty and free lifetime technical support.

The StarTech.com Advantage

- Turn your SATA M.2 SSD into external storage for your USB-C laptop, tablet or desktop computer
- Ultra-fast USB 3.1 Gen 2 data connection for M.2 SATA drives
- Compact solid aluminum design (4x2x1.5” / 11x5x1.4 cm) with ventilation and attached braided cable
Storage
Number of storage drives supported1
Storage drive sizeM.2
Supported storage drive interfacesM.2
Ports & interfaces
USB connectivityYes
USB version3.2 Gen 2 (3.1 Gen 2)
USB connector typeUSB Type-C
USB connector genderMale connector
Integrated USB cableYes
Design
Product typeSSD enclosure
Product colourBlack
MaterialAluminium
LED indicatorsActivity,Power
CertificationREACH, CE, FCC
Performance
Data transfer rate6
ChipsetJMicron - JMS580
UASP supportYes
Mean time between failures (MTBF)50000
Plug and PlayYes
Power
Power source typeUSB
Operational conditions
Operating temperature (T-T)5 - 35
Storage temperature (T-T)-20 - 50
Operating relative humidity (H-H)20 - 80
Weight & dimensions
Width110
Depth50
Height14
Weight95
Cable length0.145
Package width168
Package depth98
Package height30
Package weight110
Packaging content
Screws includedYes
Screwdriver includedYes
ManualYes
Technical details
Sustainability certificatesRoHS
Logistics data
Harmonized System (HS) code84733080

Based on 0 reviews

0

overall

Add a review

Buykingston order despatch times:

We will despatch your order the very same day if we receive cleared payment by 12:00 pm Mon-Fri.

These delivery estimates apply when you order up to 12:00 pm Mon-Fri (excluding public holidays).

We charge a one off delivery cost as outlined below regardless of how many items you order or the weight of your order.

Estimated delivery times are provided to us by the respective delivery companies. We pass this information onto you, the customer.

Despatch times do not apply to UK public holidays.

Estimated delivery times are taken from the next available working day available for delivery. For example if an order was despatched on a working Wednesday by 3pm, the first available working day for delivery would be Thursday provided you placed your order by 3pm on the Wednesday. If the next available weekday is a UK bank holiday/public holiday then your order will be despatched on the next available working day.

Our warehouse reserves the right to upgrade the delivery method you select on your order.

Our available delivery options*

Contact us for a shipping quote.

*All delivery times are estimated unless stated.

Product Returns Note

Buykingston offers a simple, hassle-free returns policy. If for whatever reason you are not happy with the item purchased, you can return it to us within 14 days of receipt for a refund. This applies to items purchased direct through Buykingston only.

Our 14 Day Returns Money Back Guarantee:
For items returned in resaleable condition, with all original packaging. If an item has been opened for inspection but shows signs of use beyond that, a deduction may apply to reflect the reduced value — see our full Terms & Conditions (Section 12) for details.

Some items are excluded from our money-back guarantee unless they have developed a fault. These include:

- Headphones
- Earphones
- Custom made and designed products, such as flash memory products with custom logos on them, e.g. USB flash drives and memory cards with your own logo

Returns FAQs

What is your returns criteria?
14 days from date of receipt, or expected date of receipt on non-tracked items.

How do I go about returning my order?
Please contact us via our contact page with your order number. We will provide you with an RMA number and return instructions, including your return deadline and whether a freepost label applies to your order.

Do I need to contact you before returning my order?
Yes, to obtain an RMA number before sending anything back.

Does my item have to include its original packaging?
Yes, to qualify for our 14 day money-back guarantee. For faulty items, we understand you may no longer have the original packaging.

Who pays for return postage?
If your item is faulty, damaged, or not as described, we cover reasonable return postage, or provide a freepost label where available. If you are returning an item for another reason (including simply changing your mind), you are responsible for return postage unless we have expressly confirmed a freepost label in your RMA email — we recommend using a tracked and insured service for items of significant value.

Who deals with the warranty on a faulty item?
We will. In some circumstances we may ask you to contact the manufacturer directly for assistance.

Please ensure you have read and comply in full with Sections 11–13 of our Terms & Conditions.