UGREEN CM642 USB4 M.2 NVMe SSD Enclosure with 40Gbps Speed

The UGREEN CM642 is a USB4 M.2 NVMe SSD enclosure that turns a spare M.2 drive into fast external storage with up to 40Gbps of interface bandwidth. If you move large video files, project folders or backups often, it helps cut down the waiting time.

It supports M.2 NVMe SSDs up to 4TB, and the built-in cooling fan with thermal pad helps manage heat during long transfers. For anyone searching for a reliable UGREEN SSD enclosure for a laptop or workstation, the CM642 combines speed, capacity and an aluminum alloy build in one compact unit.

Full 40Gbps speed requires a USB4 or Thunderbolt host and a properly rated cable.

Key Features

• USB4 interface with up to 40Gbps bandwidth: Gives a high-speed connection for large files, so backups and project transfers finish faster on a compatible port.
• Supports M.2 NVMe PCIe SSDs (M-Key): Lets you reuse an existing NVMe drive as portable storage instead of buying a separate external SSD.
• Up to 4TB capacity: Handles large libraries, footage and archives on a single drive.
• Fits 2230 / 2242 / 2260 / 2280 SSD sizes: Works with the common M.2 lengths, so you have more freedom when choosing a drive.
• Integrated cooling fan and thermal pad: Helps control heat during extended read and write sessions.
• Aluminum alloy housing with silicone sleeve: The metal body supports heat dissipation, and the sleeve adds protection for everyday carrying.
• Thunderbolt 3 / 4 compatibility: Works with compatible Thunderbolt host ports, so it suits many modern laptops and desktops.
• Screw-secured installation: Holds the SSD firmly in place inside the enclosure.

Why Choose the UGREEN CM642 USB4 M.2 NVMe SSD Enclosure

The CM642 is a practical way to get high-speed external storage without paying for a ready-made portable SSD. You pick the NVMe drive and capacity that suit your budget, then use it anywhere through a single USB Type-C connection.

Its cooling fan, thermal pad and aluminum housing are aimed at users who transfer large files regularly. It works with Windows, macOS and Linux, and it is a dependable UGREEN SSD enclosure option for creators, students and professionals who carry data between devices.

Best Use Cases

• Video editors and photographers moving large raw files
• Professionals backing up work drives and project folders
• Students and travelers who need portable, high-capacity storage
• Reusing a spare M.2 NVMe SSD from an old laptop or PC

Technical Specifications