Media Center is the only storage peripheral to incorporate an external hard drive, built-in 8-in-1 memory card reader, USB 2.0 hub and versatile backup system. It provides all-in-one functionality and an easier way to download files from a variety of digital accessories. Western Digital's WDXF2000JBRNN Media Center is the only storage peripheral to incorporate an external hard drive, built-in 8-in-1 memory card reader, USB 2.0 hub and versatile backup system. It provides all-in-one functionality and an easier way to download files from a variety of digital accessories.WD's exclusive Dual-option backup system gives you the option to back up data either automatically or on demand with the touch of a button. Automatic backup lets you schedule a recurring backup; a button glows blue to confirm that files will be backed up automatically. Dual-option backup also can span multiple drives if you have a number of drives and/or PCs and notebooks. The Media Center is compatible with 8 major media card formats, including CompactFlash Type I and II, IBM Microdrive, SmartMedia, Memory Stick, Memory Stick PRO, MultiMedia Card and SD Card. The WDXF2000JBRNN approximately measures 8.61 Lx1.74 Hx6.08 W,weighs 3 lbs. and is backed by a 1-year warranty.