Option/Retail Part Number: 395473-B21Spare Number(s): 395501-001, 395501-002Description: 500GB SATA 1.5Gb 7200 rpm 1" hard drive 395473-B21 for HP ServerCompatible with Server Models: DL140 G3, DL145 G3, DL160 G5, DL165 G5/G5p, DL180 G1, DL185 G5, DL320 G3/G4/G5/G5p, DL320s, DL360 G4/G4p, DL385 G5p, ML110 G1/G2, ML150 G2/G3/G5, ML310..