This is a PCIe x1 2.1 1Gbps single port Ethernet fiber optic desktop adapter based on the Intel I210 chipset, compatible with PCIe x4, x8, and x16 slots. System I/O is no longer a bottleneck for network applications. In network connections, PCI Express's dedicated input/output (I/O) bandwidth ensures excellent performance of the network card without occupying bus bandwidth. Desktop adapters have high performance, stability, quality, and excellent compatibility, making them compatible with all brands of computers and fiber switches. This adapter is an ideal solution for deploying high-performance fiber optic to desktop (FTTD) applications and the network security industry.