SIIG SuperSpeed USB 3.0 3.5-Inch SATA or IDE 6Gb/s Enclosure (JU-SA0F12-S1) Note: Windows 2000, XP (32-bit), Server 2003 (32-bit) can't support more than 2TB capacity. This is an OS limitation. Quickly adds more storage space to your USB enabled system Supports SuperSpeed USB 3.0 data transfer rates up to 5Gb/s Supports Serial ATA bus bandwidth up to 6Gb/s Assembles in minutes with quick and easy tool-less design No driver installation required Aluminum housing and built-in fan effectively disperse heat to keep the hard disk cool and long-lasting Fully compliant with Universal Serial Bus 3.0 Specification. No external power adapter required, powered through USB port with included Y-split data/power cable