Adds USB 2.0 ports Generates USB 2.0 speeds up to 480 Mbps Supports any USB device (USB 1.1 or USB 2.0) Plug and Play for Windows® 98/2000/ME/XP, MacOS    please email webmaster@ultraspec.us for details. Please call (1-800-6-CABLES) or email webmaster@ultraspec.us to place bulk order. 167741Regular price: $40.03Sale price: $25.00