LN2 of course man, never seen people do that with air cooled RAM faints
so did i on UD5H but that's not that impressive, 7-11-7 at 1300+ is fasterhttp://www.xtremesystems.org/forums/showthread.php?280903-SuperPi32m-5Ghz-Ivy-All-Out-Challenge!&p=5112064&viewfull=1#post5112064