P2474ADon't trust your data to those bargain stores old stock, 1999, refurb drives. Buy the best from an Original HP Manufacture producing the level of product quality and service that HP sold to you. e4ServicesInc.com drives undergo the intense qualification process HP required that eliminates data integrity problems, firmware and O/S incompatibilities, and other causes of data corruption or premature failure. Our disks are highly tested, Retail Box, Hot swap Drive assemblies, to add to or directly replace a failed HP P2474A, P2474-63001, P2474-69001 Hot Swap Drive. Our drives are Very Low Power, faster, state-of-the-art design, of new manufacture (not old stock, not refurbs, not 90 day units, not bulk packaged like the other sellers) This drive is more reliable than the original. Uses Only 8 watts! 36GB 10,000RPM Hot Swap Drive for all HP Netservers with low profile hot swap bays. P2474-63001 original Replacement Part Number P2474-69001 original Exchange Part number 15,000 RPM and 300GB upgrades are available! Formatted Capacity: 36.7GB Interface Type: 80-pin Ultra320/160/3/2 SCSI Formatted Internal Transfer Rate (Min.): 62MB/sec Formatted Internal Transfer Rate (Max.): 107MB/sec External I/O Transfer Rate (Max.): 320MB/sec Average Seek Time Read: 4.5ms typical Default Buffer: 8MB Spindle Speed: 10025 RPM MTBF: 1,200,000 hours S.M.A.R.T. Support: Yes Warranty: 3-year 15,000 RPM Option, Only 9 Watts! see options below Completely Compatible Availability: Usually ships the next business day. P2474A$268.45Options: None, STD P2474Ao 36GB 10,000RPMP2474Aoi 36GB 15,000RPM(+148)P2474AoX 72GB 10,000RPM(+220)P2474AoXi 72GB 15,000RPM(+460)P2474AoX2 146GB 10,000RPM(+476)P2474AoX2i 146GB 15,000RPM(+876)P2474AoX4 300GB 10,000RPM(+876)