http://images.anandtech.com/doci/11548/vegafe_air2_575px.jpg

Are you willing to spend $1200 or £1200 for it and save yourself electricity bill in the long term because if its expected efficiency?

I am guessing it will do about 50Mh/s mining ethereum.

Would spend 1600 for the liquid cooled version and put them side by side directly on the motherboard.