Intel Ethernet Converged Network Adapter (XL710QDA2) - System Interface Type: PCIe 3.0 (8.0 GT/s), Controller: Intel Ethernet Controller XL710, Cabling Type: QSFP+ Direct Attach Cabling up to 10m, Port Configuration: Dual, Data Rate Per Port: 40/10GbE, Speed&Slot Width: 8.0 GT/s, x 8 Lane