HP 744822-001 - DVD+/-RW SuperMulti double-layer optical disk drive - SATA interface, 9.5mm form factor Retail
HP 907606-001 - DVD+/-RW double-layer SuperMulti optical disk drive - SATA interface, 9.5mm height Retail
HP 747125-001 - DVD+/-RW double-layer SuperMulti optical disk drive - SATA interface, 9.5mm tray load Retail
HP 747250-001 - DVD+/-RW double-Layer SuperMulti optical disk drive - SATA interface, 9.5mm tray load Retail