Material: Aluminum Alloy / Plastic / Leatherette Dimensions: 5.5" x 3.3" x 0.5" Internal Interface: SATA I/II Specifications: Support 2.5" SATA I/II Hard Disk Drives up to 750GB (9.5mm height hard drive) OS Requirements: Windows2000/XP/2003/Vista/7, (32/64-bit) /Mac/Linux Maximum Capacity (per Bay): Up to 750GB Features: Aluminum Alloy cover with leather Aluminum mesh Casing with Luxury grain Leather cover Integrated USB Cable Convenient holder design can also put Business Name Card inside Compatible with 2.5" SATA I/II Hard Disk Drives Plug and Play USB Bus powered via connecting transfer cable to USB port (No Power adapter required) LED Status Indicators for Power on and Data access activities Parts: 1 year limited Labor: 1 year limited