This PCI USB card adds seven USB 2.0 ports 1 internal USB A Female, 2 internal USB motherboard header, and 4 external USB A Female to your PCI-capable PC. Supported by popular operating systems including Windows 98SE/ME/2000/XP/Vista and Linux, 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. An all-in-one solution, the PCI USB card supports USB 2.0 device connections for full data transfer speeds of up to 480Mbps, and is backward compatible with USB 1.1 devices max. transfer rate 12Mbps, allowing you to connect any USB device to the computer without having to worry about compatibility issues. Designed and constructed to provide long-lasting USB capability, the adapter card is backed by StarTech.com''s free lifetime technical support.