Retail Box, Hot swap Drive assembly to add to or directly replace a failed HP D5039A Hot Swap Drive. Our drive is Very Low Power (compared to the original), 10,000 RPM (co-exists w/7,200RPM drives. Read our Tech Support section), new manufacture (not old stock) and higher reliablility. NOT BULK PACKAGE like others This 18.2 GB 10,000RPM Hot Swap Drive is for all HP Netservers with the old style Half Height hot swap bays such as the LC3. D5039-63001 original Replacement Part Number D5039-69001 original Exchange Part number Formatted Capacity: 18.4GB Interface Type: 80-pin Ultra 3 and Ultra 160 SCSI Formatted Internal Transfer Rate (Min.): 26.7MB/sec Formatted Internal Transfer Rate (Max.): 40.2MB/sec External I/O Transfer Rate (Max.): 160MB/sec Average Seek Time Read: 5.2ms typical Default Buffer: 4MB Spindle Speed: 10033 RPM MTBF: 1,200,000 hours S.M.A.R.T. Support: Yes Warranty: 3-year Also available in 36GB , 72GB , 141GB and 182GB Versions! 15,000RPM Option Available. Availability: Usually ships the next business day. D5039Ao$289.49 Options: None15,000RPM(+19)72GB_10K(+218)72GB_15K(+464)146GB_10K(+693)183GB_7K(+1040) ___________________Select_Application_Before_Ordering Select: NetserverLC3LDProLH/LH+/LHProLSLX/eProLH2LCIILX/rRS/8StorageSystem/6 Select: ControllerOn-BoardNetRAID-1NetRAID-2NetRAID-1SiNetRAID-3SiNetRAID-4