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| Basic Information | ||
| Type | SSD Case | |
| Capacity | 8TB (Supported Max. Capacity) | |
| Interface | USB Type-C & USB Type-A | |
| Size | 119.126 x 37.084 x 11.938 mm | |
| Others | 10 Gbps transfer rate; UASP & TRIM supported; Tool-free, no driver needed; Indicator: Yes; Color: Grey | |
| Manufacturing Warranty | 1 Year | |
The UGREEN CM400 (90264) is a compact SSD case designed to turn compatible M.2 drives into a high-speed external USB storage solution. With USB Type-C and USB Type-A connectivity options, it’s built for everyday file transfers, backups, and convenient drive reuse—especially when you want to keep your existing M.2 SSD working as an external drive instead of leaving it idle. The enclosure supports up to 10Gbps transfer performance, making it suitable for moving large folders, system backups, and media libraries more efficiently than standard slower USB setups.
This enclosure supports the latest USB 3.2 Gen 2 standard and PCIe 3.0, enabling data transfer rates up to 10Gbps. It also supports UASP and TRIM, which helps improve real-world responsiveness and efficiency compared to conventional USB 3.1 approaches. In practical terms, faster throughput can reduce waiting time when transferring big files, and TRIM support helps maintain SSD performance over time by supporting proper drive management features.
The CM400 is designed for M.2 SSDs with sizes 2230, 2242, 2260, and 2280, supporting compatible SATA and PCIe-based drives. It is intended for M-Key and B+M Key configurations and is compatible with M.2 SATA SSD as well as PCIe NVMe SSD. For buyers, this means you can select the enclosure based on your SSD’s key type and length—ensuring a correct fit before installation. Note: it does not support M-Key SATA or B-Key NGFF/SATA PCIe SSD, so checking your SSD key type is important for compatibility.
UGREEN CM400 supports a tool-free installation approach with no driver requirement, making it easy to set up quickly. Just insert the compatible M.2 SSD into the enclosure and connect it to your device using the included cables. This makes it a convenient choice for users who frequently switch between internal and external storage, such as students managing coursework files, professionals handling presentations and documents, or anyone who needs a portable backup drive.
Built in a gray finish, the enclosure is designed to be lightweight and easy to carry, supporting on-the-go use for backups and file transfers. The package includes a 50cm USB-C to USB-C cable and a USB-A to USB-C cable, giving flexibility for different ports on laptops, desktops, and other compatible devices. This is especially helpful when you want to connect to devices that may not have USB-C ports available.
The CM400 enclosure is supported across multiple operating systems, including Windows, Mac, Linux, and Android. This broad compatibility makes it a practical accessory for mixed-device environments—such as a workflow that includes both a laptop and a desktop, or a mobile setup where you need to access files stored on an external SSD. It’s also a good option for expanding storage space without permanently modifying your device.
UGREEN provides a 1-year warranty for the CM400 (part number 90264). The enclosure is manufactured in China, and it’s built to deliver reliable external SSD performance for everyday use cases like backups, data transfer, and portable storage expansion.
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