Ugreen USB 3.0 to SATA Dual-Bay Hard Drive Duplicator/Cloner EU (UG-50857)
The Ugreen USB 3.0 to SATA Dual-Bay Hard Drive Duplicator combines versatile storage functionality with offline cloning capabilities. This UG-50857 model provides efficient data management solutions for IT professionals and home users requiring reliable drive operations.
Dual-Mode Functionality
The UG-50857 offers two distinct operational modes for maximum flexibility:
- Offline cloning mode for direct drive-to-drive duplication without a computer
- USB docking station mode for connecting drives to a computer via USB 3.0
- One-touch clone operation with LED progress indicators
- Support for sector-by-sector cloning ensuring complete data replication
- Automatic power-off upon clone completion
Furthermore, the UG-50857 features intelligent duplication technology that maintains exact file structures and partition tables during the cloning process, creating truly identical copies.
High-Speed Data Transfer
The UG-50857 delivers exceptional data transmission capabilities:
- USB 3.0 SuperSpeed interface supporting up to 5Gbps transfer rates
- SATA III (6Gbps) internal connection for modern storage devices
- Backward compatibility with USB 2.0/1.1 connections
- UASP acceleration protocol support for enhanced performance
- Simultaneous access to both drives when in docking station mode
Additionally, the UG-50857 incorporates optimized transfer algorithms that maximize throughput while maintaining data integrity during extended operations.
Universal Drive Compatibility
The UG-50857 supports a comprehensive range of storage devices:
- Compatible with 2.5″ and 3.5″ SATA I/II/III hard drives
- Supports SSD drives for high-performance applications
- Maximum capacity support up to 16TB per drive bay
- Works with drives of different sizes and capacities
- Compatible with various file systems including NTFS, FAT32, exFAT, HFS+, ext4
Moreover, the UG-50857 features auto-sensing technology that detects drive specifications and adjusts power delivery and communication parameters accordingly.
Robust Safety Mechanisms
The UG-50857 implements comprehensive protection features for connected drives:
- Overcurrent protection preventing electrical damage
- Short circuit safeguards for internal components
- Overvoltage regulation for stable power delivery
- Intelligent power management reducing energy consumption
- Heat dissipation design with aluminum construction and ventilation
Furthermore, the UG-50857 includes specialized power filtering technology that delivers clean, stable current to sensitive drive components, extending their operational lifespan.
Thoughtful Design Elements
The UG-50857 incorporates practical design features for everyday usability:
- Tool-free drive installation with convenient top-loading design
- Individual power buttons for each drive bay
- Clear LED indicators showing power, access, and clone status
- Sturdy aluminum housing providing structural integrity
- Compact footprint measuring 145×130×68mm
Additionally, the UG-50857 features non-slip rubber feet that dampen vibrations and prevent movement during intensive operations, maintaining stable positioning on work surfaces.
Ideal Users for the Ugreen Dual-Bay Hard Drive Duplicator (UG-50857)
- IT professionals: System administrators will appreciate the UG-50857’s offline cloning capability when preparing multiple workstations with identical configurations without using valuable system resources.
- Data recovery specialists: The sector-by-sector cloning functionality makes the UG-50857 ideal for creating exact duplicates of drives for forensic analysis or data recovery operations.
- Content creators: Photographers and videographers will benefit from the UG-50857’s ability to quickly create backup copies of media storage drives without tying up their workstations during the process.
- Small business owners: The combination of duplication features and dual-drive docking capability makes the UG-50857 a cost-effective solution for businesses managing multiple storage drives for backups and archives.
Technical Specifications
Interface Specifications
- Host connection: USB 3.0 Type-B female
- Drive connection: 2× SATA (compatible with SATA I/II/III)
- Transfer rate (USB): Up to 5Gbps (USB 3.0)
- Transfer rate (SATA): Up to 6Gbps (SATA III)
- UASP support: Yes, for enhanced performance
Drive Compatibility
- Drive types: 2.5″ and 3.5″ SATA HDD/SSD
- Maximum capacity: 16TB per bay (32TB total)
- File systems supported: NTFS, FAT32, exFAT, HFS+, ext4
- Sector sizes: 512 bytes, 4K advanced format
Power Specifications
- Input: 100-240V AC, 50/60Hz (EU plug)
- Output: 12V/3A DC
- Power consumption: <36W maximum
- Efficiency level: Level VI energy efficiency
- Standby power: <0.5W
Physical Characteristics
- Dimensions: 145×130×68mm
- Weight: Approximately 510g (without drives)
- Housing material: Aluminum alloy and ABS plastic
- Cable length: 1 meter USB cable
- Color: Black with blue accents
Cloning Features
- Clone method: Sector-by-sector duplication
- Maximum clone speed: Up to 150 MB/s (depending on drive speed)
- Clone capacity: Source drive must be equal to or smaller than target drive
- Clone progress: 25%, 50%, 75%, 100% LED indicators
- Clone operation: Single-button activation
Package Contents
- Ugreen USB 3.0 to SATA Dual-Bay Hard Drive Duplicator (UG-50857)
- 12V/3A power adapter (EU plug)
- USB 3.0 cable (A to B)
- User manual
- 24-month warranty card


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