Hitachi Warranty Process 
Product Category Warranty Period  Service Responsibility Dead On Arrival (Within 7 days from the date of Cyberstar Invoice) After DOA Period BUT within product warranty period  Tracking Mechanism 
Deskstar HDD 5 Year Hitachi Replacement Not Applicable  Product Serial No.  
Travestar HDD 5 Year Hitachi Replacement Not Applicable
Ultrastar HDD 5 Year Hitachi Replacement Not Applicable