Interface/Transfer Rate: USB2.0/ 480Mbps, Firewire/400Mbps Features: Screwless plastic mid-stru Interface/Transfer Rate: USB2.0/ 480Mbps, Firewire/400MbpsFeatures: Screwless plastic mid-structure with two aluminum covers, easy to install Colorful back panel shining, multi-color for aluminum box availableOperation System and File Backup by button or instructionEncryption to protect the data and secret by one button or instructionThermal line design in order to cool HDD and add more stabilization and performanceSwitch on and off at front side, with quiet cooler fan(optional)HDD Capacity/Type: Support up to 500GB 3.5inch IDE/SATA hard driveModel Size: 216(L) X 118(W) X 32(H)mmModel: BT3509U, BT3509SU, BT3509UF, BT3509BU, BT3509SB, BT3509LU Feature IDE to USB2.0 SATA/IDE to USB2.0 SATA/IDE to USB2.0+Firewire IDE to USB2.0+OS/File Backup SATA/IDE to USB2.0+OS/File Backup IDE to USB2.0+Encryption General Specification:1) Hot swap allows you to detach USB device without rebooting your system 2) Workable for IBM compatible PCs, notebook computers and Macintosh 3) Multicolor available. 4) Driverless (except Win98/SE) 5) Easy to install, with fast speed. 6) External power supply for 3.5" 7) Supported File system: FAT32 8) System Requirements: 1) Mac OS 8.6 or above 2) Windows 98SE/Windows ME/Windows 2000/Windows XP, Windows Server 2003;3) Pentium II / compatible or above with an available USB Port 9) Power supply: 3.5" a) Input: AC 100-240V, 50-60Hzb) Output: DC +12V/2A,+5V/2AAccessories:Power adaptor x 1Driver Disk x 1USB Cable x 1Bracket x 1AC cable x 1User Manual x 1Screwdriver x 1 Packing:1pc/Box12pcs/CartonN.W.: 9.6KGG.W.: 10.6KGCarton MEAS.: 41*21*45.5CM

3.5'' HDD External Enclosure with Fan