The pex100sfp pci express 10100 mbps ethernet fiber open sfp network card lets you connect a pci express based pc directly to a fiber optic network using the 10100 mbps sfp of your choice a versatile solution for connecting a computer directly to a 10100 mbps fiber network the pcie sfp network adapter enables you to choose the 10100 mbps sfp that best suits your network fiber connection and distance requirements see our full line of 100 mbps transceivers for compatible solutions ideal f