The Apple Macintosh HDI-20 External Floppy Disk Drive is a vintage piece from 1991 designed specifically for Apple computers. This 1.4MB drive is compatible with Apple products and is a unit type external floppy drive. With its nostalgic charm and historical significance in the realm of vintage computing, this product is a valuable addition to any collection of vintage computing memorabilia.**** Untested as is. No visible damage. Was part of a collection of vintage Apple computers.