下面保固條款引自Hitachi 原廠連結
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

Deskstar Products, 512K or 2MB cache buffer models sold on or after November 15, 2002 - 2 years (Europe Only)

Travelstar Products - 3 years

Microdrive Products – 1 year ( 2 years for Europe only)