PCI/ PCI-E Network Adapter Card is also called PCI Network Adapter, PCI Network Card, or NIC for short. It acts as the interface between a computer and a optical fiber network cable. The purpose of the optical fiber network card is to prepare, send, and control data on the network. Fiberinthebox supply 100M, 1000M, and 10G optical fiber network card Adapter. Our fiber network interface cards are available in both Multimode and Single-mode configurations with ST, SC, MTRJ, or LC connectors, and SFP for Gigabit.