The Panasonic DVD Optical Super Multi Drive is compatible with CF-31 mk3 mk4 and mk5 models. This tray loading internal optical drive can read and write to CDs and DVDs. Supports a variety of disc formats such as re-writable DVDs and CDs, dual-layer DVDs, CD-audio discs and more. This DVD RAM drive writes at speed of 24x to a CD or 8x to a DVD. Plugs in to the MultiBay on the side of your Toughbook. Includes Power DVD authoring software and a 1 year MFR Warranty