Scale your network performance using the 10Gb SFP+ transceiver of your choice & connect your PCIe-enabled server to a 10 Gigabit fiber network - PCI Express 10 Gigabit Ethernet Fiber Network Card w/ Open SFP+ - PCIe x4 10Gb NIC SFP+ Adapter / 10GbE Fiber Optic Ethernet Adapter - 10GBASE-SR / LR / LRM - 10G Network Adapter for Servers / PCI Express 10G Open SFP+ Slot - Compliant with most 10Gbps SFP+ modules / Low power consumption - Includes low-profile/half-height bracket