The heatsink is 60 bucks from Small Dog. Your temps seem great, I cant say why its locking up. Did you replace the heatsink compound? I used Arctic silver. The stock 120mm fan actually only cools half of the sink. You can fit two thin 80mm behind the heatink. Also, the mdds, even the newer ones are noisey as hell, you could replace the fans with Panafloes. What was the temp when you locked up? You could bump the voltage slightly too. -maestro
I live in Belgium so including shipping costs that would make quite an amount of money. I replaced the heatsink compound (arctic silver 5) with every test. Also every fan in my system has been replaced by quieter models. As I've said before, I've placed an 80mm fan behind the heatsink where it normally wouldn't be cooled, this seems a bit more effective than 2 80mm fans also because it's been proven that blowing air across a heatsink results in cooler temps than sucking air over it.
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