For Intel I350T4 1G Network Adapter Quad Port Ethernet Server Adapter PCIe X4
System Interface Type PCIe X4 PCIe X8 PCIe X8 PCIe X8 PCIe X8. Hardware Interface PCIE x 4. Low Profile & Full Height brackets. 5 GT/s x4 Lane. Data Link Protocol Ethernet. Support Link Aggregation (support Link Aggregation for Win10).