The best cooler for the SG-01 is the NT-06 lite, with the Strider PSU, but if you can't have that then the radial coolers like the Zalmans and the Thermaltake Orbs are the next best bet with the Tagan through-flow PSU. but they quite often don't fit the P35 motherboards because of the fancy chipset coolers.
The G0 chips are running very cool, even when highly overclocked, I'd be very tempted to try it with the NT-06 lite.
From what i read when building my sugo, the nt06 for more money only offered the same temps as the zalmans and it buckled under overclocks
Then theres the whole debate of whether throwing all that heat through the psu is a good thing.
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