Two USB 2.0 ports work with high speed devices (such as external harddrives, digital camcorders, printers, scanners, etc.). Fully backwards compatible to USB 1.1. Supports 32-bit CardBus PC Card Type II slot. 40 times faster than USB 1.1. PC 98 & PCI Power Management v2.2 compliant. Up to 480Mbps data transfer rate. Hot Swappable - Plug-n-Play. USB 1.1 and USB 2.0 compliant. 2 built-in type A USB connections. No software needed