Product Details  samsung hard drive 500GB,removable hard disk & portable hard disk & mobile hard disk & hard disk &NESO Hard Drive 80GB-1TB,HDD  Product specifications:   Specifications   Capacity of 500GB * (320GB, 250GB, 200GB optional)   Long size 11 * W 7.3 * High-1CM   MINI USB2.0 interface   Media transfer rate of up to 480MB / s   Impact the reliability of the work capacity of 400G   Impact of non-run-time performance for the 1000G   Thermal Flying Height Control (TFC)   TrueTrack technology   Power read / write power: 1.8W   Silent noise   Power USB bus-powered   Compatible with the system requirements Windows ® 2000/XP/Vista and Mac OS X 10.4.10 +, 10.5.2 +