
UGREEN USB C to Sata Adapter External Hard Drive Reader Cable 2.5 SSD Disk Transfer Kit |70610
The UGREEN CM321 (#70610) is a USB-C to SATA adapter cable that connects a bare 2.5-inch SATA hard drive or SSD directly to a USB-C computer, without an enclosure. It runs at USB 3.1 Gen 1 speed, up to 5Gbps, and supports UASP and TRIM.
Direct connection to USB-C: Plug the adapter onto the drive's SATA connector and the USB-C end into your laptop or computer. It is a quick way to access an old drive, move files when upgrading storage, or recover data.

Up to 5Gbps: The adapter uses USB 3.1 Gen 1 with transfer speeds of up to 5Gbps, so large files and backups move much faster than over USB 2.0.

UASP and TRIM: UASP improves reading and writing speed on computers that support it, and TRIM support helps an SSD keep its performance over time.
LED indicator and auto sleep: An LED shows when the adapter is working, and the adapter puts the drive to sleep automatically when it is not in use. It is plug and play, with no driver to install.
Who it's for / Works with
Works with Windows, macOS, Linux and Chrome OS computers that have a USB-C port.
Good to know
- For 2.5-inch SATA drives only.
- The cable is 50 cm long and fixed to the adapter; it has a USB-C plug, so a computer with only USB-A ports needs an adapter.
- Safely remove the drive on the computer before unplugging it.
Technical Specifications
| Model | CM321 |
| Item No. | 70610 |
| Host Connector | USB-C |
| USB Standard | USB 3.1 Gen 1 |
| Transfer Speed | Up to 5Gbps |
| Drive Interface | 2.5-inch SATA III |
| Supported Drives | 2.5-inch SATA HDD and SSD |
| Protocols | UASP, TRIM |
| Cable Length | 50 cm |
| LED Indicator | Yes |
| Auto Sleep | Yes |
| Operating Systems | Windows, macOS, Linux, Chrome OS |
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