DESC: The ThinkPad CD-RW/DVD Combo IV Ultrabay 2000 Drive delivers added functionality to your ThinkPad notebook. It slides easily in and out of the Ultrabay 2000 bay found in the ThinkPad T, R, and A Series notebooks, the ThinkPad Dock, and the UltraBase X2/X3 media slice (X Series only). This new ThinkPad drive lets you play and record CD music and data, install software, and read optical-based information. Easy-to-use RecordNow and DLA CD recording software and WinDVD movie navigator software are included.