And another one bites the dust. Just returned home to find my Fileserver down. Reboot --> no effect, power on/off - no signal. Great. Haven't put the diag card in but I don't need to.It#s gonna say FF

Yay, so that's the 3rd or so dead board. This one lasted around 9 months, was running 420*9 with the X5450's undervolted to ~1,15V load Vcore. Extra fans on all the VRMs and mobo chips, CPU temps were at or below 50 while crunching, mobo below 45, rams below 55 at all times.

So yeah, we now know it's not a cooling issue