Hitachi原廠保固不是一年喔..
以下是由http://www.hgst.com/hdd/support/en/...ty/english3.htm
cut & paste..

Warranty Period - Ultrastar Products - 5 years

Deskstar Products, all 8MB cache buffer models - 3 years
Deskstar Products, 512K or 2MB cache buffer models sold prior to
November 15, 2002 - 3 years
Deskstar Products, 512K or 2MB cache buffer models sold on or after
November 15, 2002 - 1 year
Travelstar Products - 3 years
Microdrive Products - 1 year

2002年11月15後的2MB都為一年保固..