Intel Ethernet Converged Network Adapter, X540T2
The new Intel Ethernet Converged Network  Adapter X540-T2 is the lowest cost way to deploy 10 GbE in your data center today. Install the X540 adapter into a server and the auto-negotiation between 1 GbE and 10 GbE provides the necessary backwards compatibility that most customers require for a smooth transition and easy migration to 10 GbE.