This is the way. The 10G cards are ancient and hog all the PCIe lanes. I’ve had the best luck with Mellanox ConnectX 4 or 5 cards. The 5 can happily run 25G on

This is the way. The 10G cards are ancient and hog all the PCIe lanes. I’ve had the best luck with Mellanox ConnectX 4 or 5 cards. The 5 can happily run 25G on a modern lane constrained system.