
UGREEN USB 3.0 SATA Cable Adapter for SSD and Hard Drives 2.5 Inch External Hard Drive | 70609
The UGREEN CM321 (#70609) is a USB 3.0 to SATA adapter cable that connects a bare 2.5-inch SATA hard drive or SSD straight to a computer's USB-A port, without an enclosure. It transfers at up to 5Gbps and supports UASP and TRIM.
Direct connection, no enclosure: Plug the adapter onto the drive's SATA connector and the other end into a USB-A port. This is a quick way to copy files from an old laptop drive, clone a drive before upgrading to an SSD, or recover data.

USB 3.0 at up to 5Gbps: The adapter runs at USB 3.0 speed, up to 5Gbps, so large files move much faster than over USB 2.0. It works with SATA III, II and I drives.

UASP and TRIM: UASP speeds up reading and writing on computers that support it, and TRIM support helps an SSD keep its performance over time.
No driver, no external power: The adapter takes its power from the USB port and needs no driver: connect it and the drive appears on the computer. An LED shows the working status.
Who it's for / Works with
Works with Windows, macOS and Linux computers.
Good to know
- For 2.5-inch drives only; 3.5-inch SATA drives and IDE drives are not supported.
- The cable is 50 cm long and fixed to the adapter.
- Safely remove the drive on the computer before unplugging it.
Technical Specifications
| Model | CM321 |
| Item No. | 70609 |
| Host Connector | USB-A, USB 3.0 |
| Transfer Speed | Up to 5Gbps |
| Drive Interface | 2.5-inch SATA III / II / I |
| Supported Drives | 2.5-inch SATA HDD and SSD |
| Protocols | UASP, TRIM |
| Cable Length | 50 cm (integrated) |
| LED Indicator | Yes |
| Power | USB bus-powered |
| Operating Systems | Windows, macOS, Linux |
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