The all-in-one drive bay design provides easy access to 9-in-1 memory card reader/writer and a floppy drive. It installs in any available 3.5- or 5.25-inch drive bay (5.25-inch mounting rack included) and supports CF (Type I/II), Microdrive, SM, SD, MMC, Memory Stick, Memory Stick Magic Gate and Memory Stick Pro memory cards. Perfect for use with digital cameras, PDAs, MP3 players, handheld computers and more!