Hard Disk Drive (Hdd) 2 Tb For Crew Voice And Video Recording System( Cvvrs) For Electric Locomotive To Rdso Spec. No. Rdso/2015/El/Spec/0118 (Rev. 1). The Item Is Equivalent To The Product Photo Enclosed And The Technical Specification Is Encl Osed. The Size Of The Item Is 100Mmx7Mmx70Mm. Note: Firm Must Comply With Rdso Specification No. Rdso/2015/El/Spec/0118 (Rev. 1) At The Time Of Tender Submission. Otherwise, Offers Not Complying With This Specification Will Be Summarily Rejected." Mak E: Seagate (Or) Western Digital (Or) Barracuda (Or) Toshiba (Or) Similar. [ Warranty Period: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted: Max 8 Lacs ] ]