[9front]

The maximum throughput of Intel's Columbiaville NICs is 100G max. When the 2nd port is used the total bandwidth is split in half, so there will be two 50G links. The 2nd port is usually in stand-by mode when the 1st port is used as a 100G link. So, two active ports on a Intel 100G NIC does not result in 200G throughput.

[shaklee3]

This is correct. The Asics on these cards cannot do 200G, even if pcie allowed. The only one I'm aware of that can is the Mellanox cx6 dx