HP 300GB 3G SAS 10K SFF (2.5-inch) Dual Port Enterprise 3yr Warranty Hard Drive. Hard drive interface: Serial Attached SCSI (SAS), Hard drive capacity: 300 GB, Hard drive size: 6.35 cm (2.5"). Weight: 725g. Compatibility: ProLiant DL160 G6, ProLiant ML350 G5, ProLiant DL785 G6, Dimensions (WxDxH): 177.8 x 228.6 x 117.6 mm, Size: 17.78 cm (7"). Weight: 0.726 kg (1.6 lbs)