supply of hard disk drive (hdd) 2 tb for crew voice and video recording system( cvvrs) forelectric locomotive to rdso spec. no. rdso/2015/el/spec/0118 (rev. 1). , 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 ] ]