Sony DRU-700A Double Layer Internal DVD&plusmn;RW Drive Store up to 8.5GB of data on 1 single sided, double layer DVD disc Burn up to 4 hours of MPEG-2 Video or 8 hours of MPEG-1 Video on Double Layer DVD disc Backwards compatible with existing DVD Players/DVD-ROM drives Comes with Black Bezel kit so you can match your drive with your PC Compatible with Windows 2000, XP Home and Professional