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SSD enclosure StarTech.com SM21BMU31CI3
The StarTech.com SM21BMU31CI3 is a compact M.2 SATA to USB enclosure with an attached USB-C cable, designed to convert a single M.2 SATA SSD into an external USB 3.1 Gen 2 drive. The enclosure supports common M.2 SATA drive lengths (2242, 2260, 2280) and offers a durable aluminum and plastic housing with ventilation for improved heat dissipation. It connects to USB-C or Thunderbolt 3 ports and is suitable for use with modern laptops, tablets and desktops.
This SSD enclosure provides an ultra-fast USB 3.1 Gen 2 (10 Gbps) connection for M.2 SATA drives, enabling high-speed file transfers without bottlenecks. Its compact form factor and integrated 15.2 cm (6") braided USB-C cable make it highly portable and convenient to use. The aluminum construction with built-in ventilation helps maintain an appropriate operating temperature for the drive. The product is backed by a two-year StarTech.com warranty and lifetime technical support.
Open the enclosure, insert a compatible M.2 SATA SSD of the supported length (2242/2260/2280), secure the drive according to the enclosure's mounting method, and close the housing. Connect the integrated USB-C cable to a compatible USB-C or Thunderbolt 3 port on your computer. The drive should be recognised by the operating system; format or partition the SSD as required before first use. For safe removal, eject the external drive through the OS before disconnecting the cable.
Use the StarTech.com SM21BMU31CI3 on a stable surface with adequate airflow to support the enclosure's passive ventilation. For sustained heavy transfers, monitor drive temperature and ensure the drive is seated correctly. Use the included USB-C cable and compatible host ports (USB 3.1 Gen 2 / Thunderbolt 3) to achieve maximum performance.
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