P4620A P4620-63001 Don'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 P4620A 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 12 watts! 18GB 10,000RPM Hot Swap Drive for all HP TC Netservers with low profile hot swap bays. P4620-63001 original Replacement Part Number P4620-69001 original Exchange Part number 15,000 RPM upgrade available! Formatted Capacity: 36.7GB Interface Type: 80-pin Ultra160/3/2 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! Availability: Usually ships the next business day. P4620A$268.45Upgrades:: None15,000RPM(+90)