The PEX100SFP PCI Express 10/100 Mbps Ethernet Fiber Open SFP Network Card lets you connect a PCI Express-based PC directly to a fiber optic network using the 10/100 Mbps SFP of your choice. A versatile solution for connecting a computer directly to a 10/100 Mbps fiber network, the PCIe SFP network adapter enables you to choose the 10/100 Mbps SFP that best suits your network fiber connection & distance requirements (see our full line of 100 Mbps transceivers for compatible solutions). Ideal for secure network setups, the open SFP NIC offers a direct fiber connection which is not susceptible to electronic interference like standard RJ45 networks. Backed by a Star Tech.com 2-year warranty & free lifetime technical support. The Star Tech.com Advantage An open SFP slot provides the flexibility to configure this SFP network adapter to best suit your network requirements Ideal for secure setups, a direct Fiber-to-the-desktop connection means no electronic interference like standard RJ45 network cards