This unit adds a front accessible Hi-speed USB 2.0 9-in-1 memory card reader/writer and a floppy disk drive for easy storage media access with an all-in-one drive bay design. An included 5.25 mounting rack lets you easily install it in any available 3.5 or 5.25 drive bay. USB 2.0 compatibility means it's perfect for use with your digital camera, PDA, MP3 player, handheld computer and more. For your convenience, this bay features a dual color activity/access LED - it turns red for flash memory card or turns green for floppy drive interface.