Overview: Four (4) Hi-Speed USB (Universal Serial Bus) 2.0 Ports Compliant with Both Hi-Speed USB (Universal Serial Bus) 2.0 & USB (Universal Serial Bus) 1.1 Fully compliant with Express Card
Specification 1.0 Support Plug amp; Play Specification Data Transfer Rates: High Speed 480 Mbps, Full Speed 12 Mbps & Low Speed 1.5 Mbps System Support: Windows 98/98SE/ME/2000/XP/XP 64-bit/ Vista Specification: Weight Approx:52.4g Size Approx:11.6 x 4 x 2.3