SPECIFICATION : * Memory Size Available : 64 / 128 / 256 / 512 MB(Hynix) 1 GB/2GB/4GB/8GB(Samsung) * Interface : USB 1.1/2.0 Interface * Reading Speed : USB1.1: ~920KB/s; USB2.0: 4 - 10MB/s * Writing Speed : USB1.1: ~860KB/s; USB2.0: 3 - 8MB/s * Data Keeping Time : More Than 10 Years * Operating Temperature : - 20 ℃ ~ 55 ℃ * Plug & Play Support: Win 98SE / 2000 / ME / XP * Main Features : Write Protect / Portion / With Security Code / Supports BIOS of USB . ZIP starting Mode.