Product Description Hardware Requirements: PC: IBM PC/AT compatible PC, Power Macintosh, Powerbook, Imac or I Book. OperationSystem: Windows98, WindowsME, Windows2000, WindowsXP, Linux2.4 or above, Mac DS9.0 Interface: USB Port Required Hard Disk Space: 3M or above Products Spec: Comply to USB 1.1/2.0 technology standards Capacity: 16MB, 32MB, 64MB, 128MB, 256MB, 512MB, 1GB, 2GB and so on Data Storage time: Above 10 years. Life: Erase and write over 1 million times. Plug and play without need of any extra power supply Working voltage: 5V Working power: 300mA Static current: 40Ma Products Function: Dual hardware + software data protection technology As high as 3by(24bit)/page ECC real time hardware correction ability Encryption function The encryption program supports the rights of the administrator and non-administrator user. Support USB HDD, and USB Zip startup (needs motherboard's support" Partition function and capacity adjustment to the normal disk, encrypted disk and startup disk Runs on both PC and MAC Read & write protection switch