Internal Interface: SATA Maximum Capacity (per Bay): Up to 500GB Features: 40x times faster than USB 1.1 Supports SATA (Serial ATA) and USB 2.0 transfer rates High Speed (480 Mbit) and Full Speed (12 Mbit) supports USB 1.1 downward compatible Date Transfer rate up to 480Mbit/sec Date Transfer rate up to 1.5Gbit/sec SATA (Serial ATA) internal Hard drive convert to external USB 2.0 & SATA port Support hot swappable Plug and Play PC & Mac compatible Operating Systems Supported: Windows 98SE/ME/2000/XP/Vista; Macintosh OS X or above Package Contents: External Enclosure Power Adapter Power Core Cable USB Cable