DVD-ROM and CD-RW functionality for your serial ATA desktop system. Get both in one space-saving, high-speed, multi-function drive. Back up or archive your data - store up to 700MB of data (depending upon media). Off-load data and files from your hard disk drive or write and distribute large data files. Give compelling interactive video presentations or watch a movie. The CD-RW/DVD-ROM Combination Drive delivers the function of two drives for one low price.