Intel X540-T2 10gbe Force to 2.5GBe

[Riddick]

I'm running Freenas with Intel X540-T2 NIC
In my Computer i have a 2.5GBe NIC. Is it possible to force 2.5Gbe on Freenas?
If i connect both device they alwas use 1GBe

 

[c77dk]

According to Intel ARK the only supported speeds are: 100Mbps/1Gbps/10Gbps - os no, you can't do what you want.

Intel® Ethernet Converged Network Adapter X540-T2 - Product Specifications | Intel

Intel® Ethernet Converged Network Adapter X540-T2 quick reference with specifications, features, and technologies.

ark.intel.com