BYTECC BT-146 All-in-1 internal 3.5" Card Reader/USB2.0 port/Floppy Drive Front Panel Includes USB interface connector/Floppy interface connector/4-pin power supply connector/Support SDHC Fits in 3.5" Slot Dimensions 101.6x25.4x155 mm Support Windows 98 or above (Windows 7 compatible) Support Mac OS V8.6 and above