Intel Dual Port Sever Network Adaptor (E10G42BFSR) - System Interface Type: PCIe v2.0 (5.0 GT/s), Controller: Intel® 82599 10 Gigabit Ethernet Controller, Cabling Type: MMF up to 300m, Port Configuration: Dual, Data Rate Per Port: 10/1GbE, Speed&Slot Width: 5.0 GT/s, x 8 Lane