core voltage is at 1.55 right now... could put it to 1.5 wouldnt do nothing :P ... and for cooling i have a Thermalright XP-90c with a 90mm 45cfm fan and only 20dba.... what else.... umm.... well i got the pci fixed to 100mhz, cpu strap by fsb 800, put memory to ddr400, even at ddr333 could go...