2.5inch HDD enclosure HD-F25E Features Fits 2.5-inch IDE hard drive up to 80G Well insulated Easy to install Fits any briefcase or notebook PC case Powered from notebook or desktop PC (5V DC host USB power) Pure and high-tech design with black or silver color; Specification Interface USB1.0/1.1 USB2.0 Operating System Windows 98SE/ME/2000/XP, And Macintosh OS 9.0 or later Transfer Rate Up to 480Mbs Power Supply BUS POWER Size 131(L) X 79(W) X 15.5(H) mm Bridge Chipset GL811E Packing contents - 2.5" enclosure - Fad bag - USB Y cable - user manual - driver CD Giftbox