USB 2.0 Support Standard 2.5?Hard Disk Driver. Ultra Light Aluminum Case Easy access on PC or Notebook Equipped with LED indicates Power and Action status.. USB Bus-power supported Supports Wakeup ability Supports 480Mbps high-speed data transfers Supports 2.5-inch IDE hard drives Hot-swappable Plug and Play Supports UDMA/100 (backwards compatible) Complies with Universal Serial Bus Specification Rev.2.0. Complies with ATA/ATAPI-6 Specification Rev 1.0 (PIO mode 0~4, DMA mode 0~2, UDMA mode 0~5). Supports 8-bit/16-bit Standard PIO mode interface. Supports 16-bit multiword DMA mode and Ultra DMA mode interface (Ultra 33/ 66 / 100). Embedded USB 2.0 UTMI transceiver. Embedded 7.5 MIPS RISC CPU Supports USB 2.0 TEST mode features. Easy to open design Requirements: For PC Users: Windows?98SE/2000/ME/XP For MAC Users: MAC OS 8.6 and above Package Content: Hard Drive Enclosure Carrying case USB 2.0 A to B cable Driver Disk User Manual Screws