HDD External PQI H550 320GB 2.5" 5400/8MB USB2.0 Black

General specifications: 
Interface:SATA 
Capacity:320 
Data Transfer Rate:480Mbps (USB 2.0) /1.5Gba (SATA) 
OS Supported:Windows ME/2000/XP/Vista/ Mac.10.x 
Power Supply:5V/2A 
Environment: 
Operating temperature: 0 to 65? 
Storage temperature -20? to 75?