Lenovo USB Portable Diskette Drive, USB, 100 ms, Microsoft Windows 98; Microsoft Windows 2000; Microsoft Windows XP, 8.11 oz (230 g), 5.51 x 4.06 x 0.654" (140 x 103 x 16.6 mm), 1.44 MB Lenovo USB Portable Diskette Drive. Interface: USB, Access time: 100 ms, Compatible operating systems: Microsoft Windows 98; Microsoft Windows 2000; Microsoft Windows XP. Weight: 8.11 oz (230 g). Dimensions (WxDxH): 5.51 x 4.06 x 0.654" (140 x 103 x 16.6 mm). Diskette drive memory: 1.44 MB. I/O ports: USB