UGREEN USB 3.0 to SATA Converter (CM257 / UG-60561)

The UGREEN CM257 delivers versatile connectivity between SATA drives and USB devices. This adapter provides a simple yet powerful solution for accessing storage drives without permanent installation.

High-Speed Data Transfer

The CM257 features USB 3.0 technology with data transfer rates up to 5Gbps. This high-performance interface enables:

• Theoretical speeds up to 625MB/s
• Real-world transfer rates of 400-450MB/s with SSDs
• Significantly faster operation compared to USB 2.0 devices
• Full backward compatibility with USB 2.0/1.1 ports

Furthermore, the UGREEN CM257 supports UASP (USB Attached SCSI Protocol) for enhanced data throughput. This technology reduces CPU utilization while improving overall transfer efficiency compared to traditional BOT (Bulk-Only Transport) protocol.

Universal Drive Compatibility

The CM257 adapter accommodates a wide range of SATA storage devices:

• 2.5-inch SATA HDDs and SSDs
• 3.5-inch SATA HDDs
• SATA Blu-ray, DVD, and CD drives
• Compatible with SATA I/II/III standards

This versatility consequently makes the CM257 suitable for various data recovery, drive cloning, and temporary storage access scenarios.

Practical Design Elements

The UGREEN CM257 incorporates thoughtful design features for convenient use:

• Integrated 50cm USB 3.0 cable
• Compact adapter body for portability
• LED activity indicator showing power and operation status
• Durable construction with quality components

Additionally, the adapter requires no driver installation, offering true plug-and-play functionality across compatible operating systems.

Power Management

The CM257 includes dedicated power management for reliable operation:

• External 12V/2A power adapter for 3.5-inch drives
• Bus power option for 2.5-inch drives (no external power needed)
• Overcurrent and short-circuit protection
• Power-saving sleep mode when idle

These features therefore ensure stable performance with various drive types while protecting connected devices.

Ideal Users for the UGREEN CM257 USB 3.0 to SATA Converter

• IT professionals: The universal compatibility makes this adapter essential for quick data recovery operations, drive diagnostics, and cloning without system disassembly.
• System builders: The CM257 facilitates OS installation and drive preparation without requiring internal mounting of drives during setup phases.
• Data recovery specialists: The ability to connect to both 2.5-inch and 3.5-inch drives makes this tool versatile for retrieving data from various storage devices.
• Home users: The simple plug-and-play functionality enables convenient access to data on spare drives without technical expertise.

Physical Specifications

• Dimensions: 65 × 25 × 16mm (adapter only)
• Cable length: 50cm
• Weight: 80g (without power adapter)
• Color: Black
• Material: ABS plastic with silicone cable
• LED indicator: Blue for power/activity

Technical Specifications

• Host interface: USB 3.0 Type-A
• Device interface: SATA I/II/III (up to 6Gbps)
• Maximum data transfer rate: 5Gbps (USB 3.0)
• UASP support: Yes
• Maximum drive capacity: 16TB tested (theoretical limit higher)
• Drive spin-up current: Up to 1A

Power Specifications

• Power input: 12V/2A adapter (included)
• Power output: 12V/2A for 3.5″ drives, 5V/900mA for 2.5″ drives
• Power modes: External power for 3.5″ drives, USB bus power for 2.5″ drives
• Protection: Overcurrent, overvoltage, short-circuit

Compatibility Specifications

• Operating systems: Windows 11/10/8.1/8/7/Vista/XP, macOS 10.6+, Linux
• Device support: 2.5″/3.5″ SATA HDD/SSD, SATA optical drives
• File systems supported: NTFS, FAT32, exFAT, HFS+, ext2/3/4 (OS dependent)
• Not compatible with: IDE/PATA drives, SAS drives, M.2 SATA/NVMe drives