DESC: This Toshiba Ultra Slim Bay DVD-ROM/CD-RW Combination Drive is an ultra-thin and ultra-lightweight drive designed to work with the Toshiba Portege M400, M405, S100 and Tecra S3 series portable computer. It fits right into your Ultra Slim Bay drive slot and allows you to access CD and DVD data, save large files, burn CDs and watch DVD movie on the road. Perfect for storing large presentation files, backing up critical data and for frequent travelers.