U2ATA25B01 is an USB 2.0 to ATA enclosure for 2.5 inch HDD. It's designed to enable hot-swap, plug-and-play operation for 2.5" ATA HDD through the connection to USB 2.0 interface installed on a computer. U2ATA25B01 provides the perfect solution for data transferring (backup and restoring) of data between computer and external mobile storage.

Technical Specifications

U2ATA25B01 combines two key components:
1).USB 2.0 to ATA Bridge Board

1).USB 2.0 to ATA Bridge Board:

  • IDE (ATA) Interface: Female mini 2X22 pin Connector
  • USB 2.0 Interface: One USB B-Type connector
  • USB Bus Transfer Rate: High Speed (480 Mbit) And Full Speed (12 Mbit)
  • USB Bus Power: Bus Powered Mode Operation
  • Power indicator LED and HDD Access LED
  • DC Power Connector: Walkman-type 2.0 mm DC Jack
  • Complies with ATA/ATAPI-6 Draft Specification:
    • PIO Mode 0-4
    • DMA Mode 0 ~ 2
    • Ultra DMA Mode 0-4 and LBA48


  • Aluminum made housing.
  • Provide one push button on the front panel
  • Provide Lock Ring
  • Provide Foot Stand to hold U2ATA25B01 stand still
  • Provide the screw hole for 2.5" ATA HDD.
  • Power Input
    • USB Bus-powered
    • DC Power Input: DC +8V ~ 33V.

Net Weight
  • 207.2g
Hardware Requirements
  • Desktop PC: with either a built-in USB (1.0 or 2.0) controller or a USB (1.0 or 2.0) to PCI Host Adapter equipped with a external USB port.
  • Laptop PC: with either a built-in USB (1.0 or 2.0) controller or a USB (1.0 or 2.0) to CardBus PC Card equipped with a external USB port.
Operating System Requirements
  • Windows 98SE/ME/2000/XP; MacOS 9.1 or higher
Kit includes
  • U2ATA25B01 Enclosure
  • USB 2.0 A-to-B type Cable (1.0m length)
  • USB Bus Power Link Cable
  • T-shape Screw Driver
  • Blue color Foot Stand
  • CD-title (Win98 drivers,Flash Mail, Mobile Outlook and PCClone EX Backup software)
  • Installation Guide
  • Protection Bag