The 43N3215 - ThinkPad Blu-ray Burner Ultrabay Slim Drive (Serial ATA) is designed to easily install into the new native serial Ultrabay media bay found in selected ThinkPad systems such as the ThinkPad T400, T500, W500, R400, R500 Series notebooks and the ThinkPad X200 UltraBase. View DVD and Blu-ray movies, record music and data to inexpensive CD and high capacity DVD and Blu-ray media, and install CD/DVD software with this optical drive option.