Take it for what its worth this was posted on amd's fb page:
" We spent our first day in the St. Regis San Francisco Presidential Suite briefing journalist on our latest AMD technology! One of the most popular demos is our “Vishera” FX chip running at 5GHz on water cooling! Check out this picture of the rig!"
https://www.facebook.com/#!/AMD 
Looks like again self sealed single 120 mm water solution being used ..
