If you buy a new hard drive desktop (SATA-III, 6GB/s) or notebook/netbook SATA-II (3GB/s) (eg 320 GB) and has put it into computer, the default setting is SATA-I or SATA-II. You can change SATA setting to apropriate setting depending your computer spesifications, with Feature-Tools (F-Tool) from Hitachi.
