I lost 2 pairs of cellshock 800 running 24/7 at 2,1V on 2 different mobos with different PSUs. Talk about bad luck
I dunno if it was electromigration though, they worked fine and one day, after a reboot, I only got C1 error. Tried the sticks in 3 other mobos to be sure, but one of the two sticks was dead. Same with the 2nd one
My crucial values seem indestructible though...