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.