HP 684329-001 DVD&plusmn;RW Double-Layer SuperMulti optical disk drive - SATA interface, 12.7mm tray load - Includes bezel and bracket HP ProBook WD-pro 6470b DVD-RW Double-Layer SuperMulti Optical Disk Drive SPS P/N: 684329-001 HP P/N: 657534-FC2 Model: SN-208 5V---1.3A