Retail Box, Hot swap Drive assembly to add to or directly replace a failed HP A7285A, A7285-64201 and A7285-69001. This 73GB state-of-the-art design Low Profile (1") Hot Swap Drive is 10,000RPM and has a 4MB Cache and an Ultra320, Ultra3 and Ultra2 interface compatable with all HP Disk System DS2100 and DS2300. 15,000 RPM, 146GB and 300GB upgrades now available! Formatted Capacity: 73.4GB Interface Type: 80-pin Ultra 3 and Ultra 320 SCSI Formatted Internal Transfer Rate (Min.): 43MB/sec Formatted Internal Transfer Rate (Max.): 76MB/sec External I/O Transfer Rate (Max.): 320MB/sec Average Seek Time Read: 4.7ms typical Default Buffer: 4MB Spindle Speed: 10000 RPM MTBF: 1,200,000 hours S.M.A.R.T. Support: Yes Warranty: 3-year Availability: Usually ships the next business day. A7285Ao$296.00                                             But WAIT!146-300GB &15K Avail Upgrades: None, STD A7285Ao 73GB 10,000RPMA7286Ao 73GB 15,000RPM(+250)A7285AoX 146GB 10,000RPM(+289)A7285AoX2 300GB 10,000RPM(+669)