💾 Fast USB-A adapter for 2.5" SATA drives
The UGREEN CM321 adapter allows you to easily and conveniently connect 2.5" HDDs and SATA SSDs to devices equipped with a USB-A port. It's a practical solution for fast data transfer, backup, and file recovery without having to mount a drive inside your computer.
- Supports SATA III (6Gpbs), SATA II (3Gbps), SATA I (1.5Gbps) devices
- Only supports 2.5" SATA drives
📂 Convenient data management
The accessory is perfect for copying photos, videos, documents or music between devices. It is an ideal tool for archiving data, creating backups and moving large files. It supports SATA drives up to 5TB for a wide range of applications.


⚡ Plug & Play – ready for action
The adapter does not require the installation of additional drivers. Simply plug in the drive and get started immediately. Compatibility with computers, laptops, routers, TVs and consoles makes the device suitable for both home and office.
🌙 Smart energy saving
The built-in Auto Sleep mode automatically puts the drive to sleep after a period of inactivity, helping to reduce power consumption and extend the life of the connected media. An additional LED informs about the current operating status of the device, giving you full control over its operation.
🛡️ Secure and stable data transmission
The UGREEN CM321 is equipped with a number of protections to protect both the adapter and the connected drive. Protection against overvoltage, overheating and overvoltage increases the safety of use and allows you to work with important data without worry.
🔧 Durable design and flexible cord
The high-quality 50 cm long cable is made of durable and flexible materials that ensure comfortable use on a daily basis. The robust design of the adapter guarantees reliability and long life, even with frequent connection and disconnection of drives.



- Zgodny ze standardem USB 3.0 6Gbps
- Integrated USB cable with a length of 50cm
- LED indicator signaling the device status
- Zgodny ze standardem USB 3.0 6Gbps
- Integrated USB cable with a length of 50cm
- LED indicator signaling the device status
UGREEN building, Longcheng Industrial Park, Longguanxi Road, Longhua
Shenzen
Chiny
Website: www.ugreen.com
Prinzenallee 1
40549 Düsseldorf
Niemcy
Email: support@ugreen.com







