Plextor Portable Floppy Disk Drive. Data transfer rate: 12 Mbit/s. Interface: USB 2.0/1.1. Compatible operating systems: Windows XP, 2000 Professional, Me, 98SE. Dimensions (WxDxH): 103 x 17 x 142 mm, Weight: 245 g, Size: 88.9 mm (3.5 ")