Dual Ethernet Card -

: Most modern cards use PCIe . Ensure your motherboard has an available slot (x1, x4, or x8 depending on the card's speed).

: Turn a standard PC into a high-performance router/firewall (using software like pfSense or OPNsense). 2. Hardware Selection dual ethernet card

Once installed, both ports will appear in your menu: Windows 11 How to add a second IP address to a network card : Most modern cards use PCIe