PCI Express 10 Gigabit SFP+ . The D-Link DXE-810S PCI Express 10 Gigabit Ethernet Adapter is a high performance adapter designed for the high-speed PCI Express bus architecture. The PCI Express 10 Gigabit Ethernet Adapter offers increased bandwidth reliability and more functionality than standard PCI network cards. It is specifically designed to allow throughput at rates up to 20 Gbps thus eliminating the bottleneck that exists with current 32 and 64-bit PCI bus architectures.