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header-product SSD Enclosure StarTech.com SM21BMU31C3
42.99 €

SSD Enclosure StarTech.com SM21BMU31C3

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Short description

The StarTech.com M.2 SSD Enclosure supports M.2 SATA SSDs with a USB 3.1 interface, offering data transfer rates of up to 10 Gbps. It features a sleek black and silver design and is compatible with one M.2 storage drive. The enclosure includes a Micro-USB B connector and is ideal for expanding storage or creating a portable SSD solution.
Available at price 42.99 €: 6 pcs.
Total available for order: 16 pcs.
Warranty: 2 Years
SKU: 298405
Manufacturer: StarTech
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.99 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
16.11.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
20.11.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.14 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / DPD Paku skapis / Omniva LV / Latvijas Pasts pakomāts / Latvijas Pasts nodaļa
20.11.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.99 €
payment
Payment Methods:
Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay
Available for private customers at price 61.99 €: 1 pcs.
Together cheaper
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Product information

Description

The StarTech.com SM21BMU31C3 is a compact M.2 SATA SSD enclosure that converts an M.2 NGFF SATA drive into a portable USB-C external storage device. It supports USB 3.1 Gen 2 (up to 10 Gbps) and UASP for improved transfer performance, fits M.2 drive lengths 2230, 2242, 2260 and 2280, and features a slim aluminium housing with ventilation holes for heat dissipation. The enclosure is compatible with laptops, tablets and desktops that have USB-C or Thunderbolt 3 ports and includes the required USB-C cable.

Advantages

This enclosure provides high-speed external access to a single M.2 SATA SSD via a USB 3.1 Gen 2 connection with UASP support, enabling up to 10 Gbps throughput on compatible hosts. Its lightweight aluminium construction offers protection while remaining pocket-sized for portability, and ventilation holes aid thermal management during operation. Broad compatibility with multiple M.2 lengths (2230/2242/2260/2280) makes it suitable for most common M.2 SATA drives.

Suitable for

  • Expanding storage capacity for laptops and tablets with USB-C or Thunderbolt 3 ports
  • Creating a portable external SSD from an M.2 SATA drive
  • Transferring large files between computers at high speed
  • Using an existing M.2 SATA SSD as a backup or transportable archive

Key specifications

  • Model: StarTech.com SM21BMU31C3
  • Supported drive: 1 x M.2 SATA (NGFF) SSD
  • Supported lengths: 2230, 2242, 2260, 2280
  • Interface to host: USB 3.1 Gen 2 / USB 3.2 Gen 2 (up to 10 Gbps)
  • UASP support: Yes
  • Connector type: Micro-USB B (cable for USB-C included for host connection)
  • Material: Aluminium
  • Colour: Silver, Black
  • Weight: 0.061 kg
  • Warranty: 2 years (StarTech.com)

How to use

Open the enclosure following the included instructions, insert a compatible M.2 SATA (NGFF) SSD of a supported length (2230/2242/2260/2280), secure the drive, then close the enclosure. Connect the enclosure to a host device using the supplied USB-C cable or a compatible USB-C/Thunderbolt 3 port. The drive is bus-powered; no external power adapter is required. For optimal transfer speeds, connect to a host that supports USB 3.1 Gen 2 and UASP.

Usage recommendations

When using the enclosure for sustained large transfers, place it on a flat surface with some airflow around it to aid heat dissipation. Ensure the host supports USB 3.1 Gen 2 and enable UASP where supported to achieve best performance. Handle the M.2 SSD carefully during installation and observe anti-static precautions.

Specifications

Product type: The sub-category of the product.
SSD enclosure
USB connectivity: The product has USB connector.
Yes
Number of storage drives supported: How many storage drives can be fit into the product at once.
1
Storage drive size: The size of the storage drive, given in inches ('').
M.2
Product colour: The colour e.g. red, blue, green, black, white.
Black, Silver
Supported storage drive interfaces:
M.2
All features

Logistics data

Harmonized System (HS) code:
84733080

Technical details

Sustainability certificates:
RoHS

Packaging content

Quick installation guide:
Yes
Screwdriver included:
Yes
Screws included:
Yes
Cables included:
USB

Weight & dimensions

Package weight: Weight of the packaged product.
139 g
Package height: The distance from the top to the bottom of the packaging.
32 mm
Package depth: The distance from the front to the back of the packaging.
131 mm
Package width: The distance from one side of the packaging to the other.
161 mm
Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
0.061 kg
Height: The measurement of the product from head to foot or from base to top.
13 mm
Depth: The distance from the front to the back of something.
99 mm
Width: The measurement or extent of something from side to side.
42 mm

Operational conditions

Operating relative humidity (H-H):
10 - 90
Storage relative humidity (H-H):
5 - 95
Storage temperature (T-T): The minimum and maximum temperatures at which the product can be safely stored.
-10 - 65
Operating temperature (T-T): The minimum and maximum temperatures at which the product can be safely operated.
0 - 40

Power

Power source type: What the power source is.
USB

Performance

Plug and Play: Indicates whether this product supports is "plug and play". Plug and play is hardware or software that, after being installed ("plugged in"), can immediately be used ("played with"), as opposed to hardware or software which requires configuration.
Yes
Mean time between failures (MTBF): Statistical model used to indicate product/mechanism reliability; expressed in hours and percentage of duty cycle. This number (in hours) does not indicate the mean time before failure for a single unit/mechanism.
1000000 h
UASP support:
Yes
Chipset: Set of electronic components in an integrated circuit that manages the data flow between the processor, memory and peripherals. It is usually found in the motherboard of a computer. Chipsets are usually designed to work with a specific family of microprocessors. Because it controls communications between the processor and external devices, the chipset plays a crucial role in determining system performance.
ASMedia - ASM1351
Data transfer rate: Rate at which data can be transferred. Usually expressed in units per second. May vary with network configurations.
10 Gbit/s

Design

Certification:
CE, FCC, TAA, REACH
LED indicators:
Activity, Power
Material: The material from which a thing is or can be made e.g. wood, plastic.
Aluminium
Product colour: The colour e.g. red, blue, green, black, white.
Black, Silver
Product type: The sub-category of the product.
SSD enclosure

Ports & interfaces

Integrated USB cable:
No
USB ports quantity:
1
USB connector gender:
Female
USB connector type: The type of USB connector/port that this product has.
Micro-USB B
USB version: Universal Serial Bus (USB) is an industry standard developed in the mid-1990s that defines the interface used for connection, communication and power supply between computers and electronic devices. Every new version - for example 1.1, 2.0, 3.0 - is much faster than the previous one.
3.2 Gen 2 (3.1 Gen 2)
USB connectivity: The product has USB connector.
Yes

Storage

Supported storage drive lengths:
80
Number of storage drives supported: How many storage drives can be fit into the product at once.
1
Supported storage drive interfaces:
M.2
Storage drive size: The size of the storage drive, given in inches ('').
M.2

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Stock data
Warehouse Stock Delivery to the store Store Price
WH357 1 16.11.2026 Best delivery
61.99 €
Available only for legal entities
Warehouse Stock Delivery to the store Store Price
EU9 6 16.11.2026 Best delivery
42.99 € Best price
WH15 3 16.11.2026 Best delivery
44.49 €
WH109 6 01.12.2026
49.99 €
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Stock: 1
Delivery Date: 16.11.2026 Best delivery
Warehouse: WH357
Available only for legal entities
42.99 €
Stock: 6
Delivery Date: 16.11.2026 Best delivery
Warehouse: EU9
44.49 €
Stock: 3
Delivery Date: 16.11.2026 Best delivery
Warehouse: WH15
49.99 €
Stock: 6
Delivery Date: 01.12.2026
Warehouse: WH109

Customer reviews

Customer questions

FAQ

How much does the SSD Enclosure StarTech.com SM21BMU31C3 cost, and is it available for purchase?

The price is 42.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 16 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 16.11.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All StarTech products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized StarTech service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: product type, usb connectivity, number of storage drives supported, storage drive size, product colour, supported storage drive interfaces, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for SSD Enclosure StarTech.com SM21BMU31C3?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
warranty
14-Day Return Policy
We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008
AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.