A9K-RSP440 SFP+ ports

>> So I am guessing they are normal ports which can be configured to be cluster ports and could used normally to link up to rest of the network?

>

They are not, as far as I’m aware. Very much the opposite to 6500/7600supervisors. Certainly there are no ‘interfaces’ that I can configure on RSP-440!

Correct, they are only for nV clustering, and control-plane only at that.  You still need to use line card 10G ports for data plane clustering.