Retail box, Hot Plug Drive assembly to add to or directly replace a failed Compaq 232432-B22 and spare # 233349-001, except this item is a 146.8 GB 10,000RPM Low Profile (1") Universal Hot Plug Drive has a 8MB Cache and a Ultra320, Ultra3 and Ultra2 interface downward compatable with all Compaq Proliant with half hieght and low profile hot plug shelves. Formatted Capacity: 146.8GB Interface Type: 80-pin Ultra 320 SCSI Formatted Internal Transfer Rate (Min.): 43MB/sec Formatted Internal Transfer Rate (Max.): 78MB/sec External I/O Transfer Rate (Max.): 320MB/sec Average Seek Time Read: 4.7ms typical Default Buffer: 8MB 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. 232432xo$687.45