Retail Box Direct Hot Swap Drive replacement accessory for the HP A7286A, A7286-64201 and A7286-69001. This 73GB state-of-the-art design Low Profile (1") Hot Swap Drive is 15,000RPM and has a 4MB Cache and an Ultra320, Ultra3 and Ultra2 interface compatable with all HP Disk System DS2100 and DS2300. Formatted Capacity: 73.4GB Interface Type: 80-pin Ultra 3 and Ultra 320 SCSI Formatted Internal Transfer Rate (Min.): 57MB/sec Formatted Internal Transfer Rate (Max.): 86MB/sec External I/O Transfer Rate (Max.): 320MB/sec Average Seek Time Read: 3.6ms typical Default Buffer: 4MB Spindle Speed: 15000 RPM MTBF: 1,200,000 hours S.M.A.R.T. Support: Yes Warranty: 3-year Availability: Usually ships the next business day. A7286Ao$378.47