StarTech.com 3 Port PCI Low Profile High Speed USB 2.0 Adapter Card PCI220USBLP Connect up to 3 additional USB 1.0/1.1/2.0 peripherals to a low profile/small form factor computer simultaneously Adds both external and internal USB ports to connect regular external devices or internal or front bay mounted USB peripherals Backed by a StarTech.com lifetime warranty and free lifetime technical support Provides two external USB 2.0 ports and one shared internal port Fully compliant with USB 2.0 specifications, with support for transfer rates up to 480 Mbps Backwards compatible with USB 1.0/1.1 devices Compliant with PCI revision 2.2 specification Supports up to 127 USB devices per port (requires additional USB hubs)