This PCI USB (Universal Serial Bus) card adds seven USB (Universal Serial Bus) 20 ports (1 internal USB (Universal Serial Bus) A Female 2 internal USB (Universal Serial Bus) motherboard header & 4 external USB (Universal Serial Bus) A Female) to your PCI-capable PC The PCI USB (Universal Serial Bus) 20 card is a versatile solution that lets you add USB (Universal Serial Bus) 20 connections without having to upgrade the system motherboard An all-in-one solution the PCI USB (Universal Serial Bus) card supports USB (Universal Serial Bus) 20 device connections for full data transfer speeds of up to 480 Mbps & is backward compatible with USB (Universal Serial Bus) 11 devices (max transfer rate 12 Mbps) allowing you to connect any USB (Universal Serial Bus) device to the computer without having to worry about compatibility issues Designed & constructed to provide long-lasting USB (Universal Serial Bus) capability the adapter card is backed by Star Tech&s free lifetime technical support Maximize the availability of USB (Universal Serial Bus) 20 ports for both external & internal USB (Universal Serial Bus) 201110 peripherals Backed by a Star Tech lifetime warranty & free lifetime technical support 4 external USB (Universal Serial Bus) 20 ports & 3 internal USB (Universal Serial Bus) 20 portheaders High Speed USB (Universal Serial Bus) 20 compliant with support for data transfer rates up to 480 Mbps Backwards compatible with USB1110 devices