Thanko External USB 3.5 Floppy Disk Drive External USB 3.5-inch Floppy Disk Drive Support Mac OS,Windows 7 and 8(32/64bit) Supported Media:3.5-inch 2HD FD,type 2DD FD 1.44MB,,Supported Formats:DOS format) Disk speed:300rpm,Maximum data speed (I / F, theoretical value):12Mbps