原廠的就不錯了

Maxtor, Quantum 牌： (PowerMax)
http://www.maxtor.com/en/support/do...ds/powermax.htm

Hitachi, IBM: (Drive Fitness Test 與 Data Adviser)
http://www.hgst.com/hdd/support/download.htm

Seagate: (SeaTools)
http://www.seagate.com/support/software/index.html

其他的就請google大師幫你找囉