Add 5 USB 2.0 ports to any desktop computer with a PCI slot. This PCI-based High Speed USB 2.0 Adapter Card adds five USB 2.0 'A' Female ports (1 internal, 4 external) to your PCI-capable PC. Supported by popular operating systems including Windows 98SE/ME/2000/XP/Vista, the PCI USB 2.0 card is a versatile solution that lets you add USB 2.0 connections without having to upgrade the system motherboard. A convenient and time-saving solution, the PCI USB card is WHQL certified to simplify driver installation in Windows XP operating environments, and supports USB device hot-swapping - allowing you to connect/disconnect USB peripherals without having to power down the computer.