Perfect for integrating into new or existing fiber infrastructure over great distances, this card delivers full Gigabit bandwidth to your computer up to 550 meters away from your network source, using multimode 50/125 micron duplex SC fiber cable. PCIE x4 Interface to 10Gb/s SFP+ Fiber Port NIC Card for Gaming, Intel 82599 10Gbps Ethernet Controller (X520-DA1) X520-DA2 2X 10Gb/s SFP+ Fiber Ports Converged Ethernet Adapter for Servers, and Desktop PCs. Limited time offer, ends 05/12 Limited time offer, ends 05/12 Package Contents: QLE3240-SR-CK Fiber Optic Card ? Spare? Low-Profile Bracket ? ? Quick?For you to configure, specify, and understand this gadget better, this manual was written to give a comprehensive overview of them, including also why someone should use gigabit fiber network cards. We will discuss some of the most important features that should be considered when choosing these. Whether you're upgrading a workstation, scaling a small business network, or building out a hyperscale data center, a fiber network card (NIC, network interface card) is one of the most critical components for connectivity. With native 4k60p processing, the fiber output card eliminates the need for external fiber extenders using 12G, 6G and 3G signal formats.