The UGREEN 70609 CM321 USB-A to 2.5-inch SATA Converter 50cm (Black) is a compact and high-performance USB 3.0 to SATA adapter designed to provide quick and convenient access to 2.5-inch SATA SSDs and HDDs. Whether you’re upgrading a laptop, cloning a drive, recovering important files, or creating backups, this converter eliminates the need for an external enclosure while delivering reliable, high-speed data transfers.
Equipped with a USB 3.0 interface, the CM321 supports transfer speeds of up to 5Gbps, allowing you to move large files, HD videos, photos, and system backups in seconds. It is also backward compatible with USB 2.0 and USB 1.1 ports for maximum compatibility with older devices.
For enhanced SSD performance, the adapter supports UASP (USB Attached SCSI Protocol) and TRIM, reducing CPU usage while significantly improving read and write speeds on compatible operating systems. These features make it an excellent choice for SSD upgrades, operating system migration, and professional storage management.
The adapter supports 2.5-inch SATA I, II, and III SSDs and HDDs with capacities up to 6TB. Because it draws power directly from the USB port, no external power adapter is required for 2.5-inch drives, making it ideal for mobile use. (3.5-inch desktop hard drives require external power and are not supported.)
Its 50cm integrated cable provides convenient reach for desktops, laptops, gaming consoles, routers, smart TVs, and Raspberry Pi devices. Installation is completely Plug & Play, requiring no drivers on most operating systems. An integrated LED indicator displays connection status, while the built-in Auto Sleep function helps conserve energy and prolong drive life when the device is idle.
Built with UGREEN’s trusted quality and durable construction, the UGREEN 70609 CM321 USB-A to 2.5-inch SATA Converter is an essential accessory for IT professionals, technicians, content creators, and everyday users looking for a reliable external storage solution.
Key Features
- USB-A 3.0 to 2.5-inch SATA Converter
- Supports SATA I, II & SATA III SSDs and HDDs
- High-Speed Data Transfer up to 5Gbps
- UASP Acceleration for Faster SSD Performance
- TRIM Support for Optimized SSD Efficiency
- Supports Storage Capacities up to 6TB
- Plug & Play – No Driver Required
- USB Bus Powered (No External Power for 2.5-inch Drives)
- Built-in LED Activity Indicator
- Auto Sleep Power Saving Function
- 50cm Durable Integrated Cable
- Compatible with Windows, macOS, Linux & Chrome OS
Specifications
| Specification | Details |
|---|---|
| Brand | UGREEN |
| Model | CM321 |
| Product Code | 70609 |
| Color | Black |
| Interface | USB-A 3.0 to SATA |
| USB Version | USB 3.0 |
| SATA Compatibility | SATA I / II / III |
| Supported Drive Size | 2.5-inch HDD & SSD |
| Maximum Capacity | Up to 6TB |
| Data Transfer Speed | Up to 5Gbps |
| UASP Support | Yes |
| TRIM Support | Yes |
| Cable Length | 50cm |
| Power Supply | USB Bus Powered |
| Plug & Play | Yes |
| Driver Required | No |
| LED Indicator | Yes |
| Auto Sleep | Yes |
| Operating Systems | Windows, macOS, Linux, Chrome OS |
| Compatible Devices | PC, Laptop, PS4, PS5, Xbox, Router, Raspberry Pi |
| 3.5-inch HDD Support | No |










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