Iomega Floppy USB-Powered Drive. Access time: 120 ms. Data transfer rate: 0.0625 Mbit/s. Interface: USB 1.1. Compatible operating systems: Microsoft Windows 98/98 SE/2000/ME/XP; Mac OS 9.1, 9.2.2/ Mac OS X 10.1, 10.2, Minimum system requirements: 4X CD-ROM USB Microsoft Internet Explorer 5.0/ Netscape 6.1, Minimum hard disk space: 1 MB. Dimensions (WxDxH): 103.5 x 142 x 17.1 mm, Weight: 0.27 kg, Package weight: 0.31 kg