The system does recognize the NIC, but its not usable from the GUI.
To solve the issue, You need to change driver parameter value from 0 to 1 :
"allow_unsupported_SFP" = 0
To do that, You need to login directly to the console of the DSS Server.
Then press :
choose : MODIFY DRIVER OPTIONS
Choose the ixgbe driver
Find the following parameter :
Change the value to 1