Key Feature: USB 2.0 external 2.5-inch hard drive enclosure External backup storage via USB Supports USB 2.0 high speed at 480 Mbps and backwards compatible to USB 1.1 full speed at 12 Mbps Operates directly with USB power or user may tap power from PS2 connector Fully compatible with IDE ATA hard disk drive Case Material : Aluminum with high class mirror paint finish HDD support: Up to 160 GB 2.5ââ¬Â HDD Unit Size/ weight: 14cm x 7.8cm x 1.6cm / 70g (without HDD)