Direct Cold Swap Drive high speed replacement accessory for the HP P4461A. This 36GB Low Profile (1") Cold Swap Drive has a 4MB Cache, a increased rotational speed of 15,000RPM, lower access time of 3.9mS, lower power draw and a Ultra320, Ultra3 and Ultra2 interface compatable with HP TC 3100 and 4100 Netservers Only. Formatted Capacity: 36.4GB Interface Type: 80-pin Ultra 3 and Ultra 320 SCSI Formatted Internal Transfer Rate (Min.): 27.4MB/sec Formatted Internal Transfer Rate (Max.): 48.9MB/sec External I/O Transfer Rate (Max.): 320MB/sec Average Seek Time Read: 3.9ms 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 in 5-7 business days. P4461Ao$487.00