TEAC External USB Floppy Drive. Data transfer rate (max): 12 Mbit/s. Interface: USB. Mean time between failures (MTBF): 30000 h. Compatible operating systems: MAC OS 9.0 Windows 98SE/ME/2000/XP. Dimensions (WxDxH): 102.9 x 140 x 16.61 mm, Weight: 259.9 g