![]() ![]() ![]() After four straight hours of 100% load on all CPU cores and both graphics cards, the temperatures on water were much lower. I felt that this was a decent decrease, but the results under load were remarkable. The CPU now idled at 19-22C, and the GPUs at 35C. All of these temperatures were examined after several hours of stress-testing, and the noise from the system was like a muffled hair dryer–not pleasant to be around, even when it was under the desk.Īfter we installed the water-cooling system the idle temperatures dropped significantly. Under full 100% load on all 6 cores and HyperThreading enabled, and with the GTX 480’s under full load in SLI, the CPU core temperatures were hitting 65-70C and the GPUs were hitting 95-100C, almost voiding the warranty on the graphics cards. When it was running on air and the case was buttoned up, the CPU idled around 40C and the GPUs were idling around 45C. From there, the heated water would go to a secondary radiator, an EKWB CoolStream RAD XT 240–mounting 2x 120mm fans on each side–and then pass through both graphics cards before heading back to the pump/reservoir and then re-entering the loop. This would cool the water before reaching the CPU/motherboard portion of the loop. The cooling would be provided by two radiators the primary would be an EKWB CoolStream RAD XTC 420–a beast of a radiator with mounting points for 3x 140mm fans on each side, so that six total fans could be attached to it. A pump head with integrated reservoir would drive the distilled water throughout the system. We would install a waterblock on the CPU, the motherboard chipsets, and both graphics cards. The plan was to create one large “loop”, a single circuit that the water would course through to cool all of the major components of the system. ![]()
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