HEWLETT PACKARD HP 1TB 3G SATA 7.2K RPM LFF (3.5-INCH) NON-HOT PLUG MIDLINE 1YR WARRANTY HARD DR 507772-B21 New HEWLETT PACKARD - SERVER OPTIONS 507772-B21 HEWLETT PACKARD 507772-B21 1TB 3G SATA 7.2K RPM 3.5IN NMDL HDD