Most of the extreme overclocking records take so much energy from their authors that they prefer not to waste time describing experiments. Traktor overclocked three video cards GeForce GTX 980 Ti. As power supply was used Corsair power unit with a power of 1200 W.
Note that the power supply capacity was still not enough for a stable power supply of all the components of the overclocked system. In the 3DMark Fire Strike test, when the voltage on the graphics processors is more than 1.23 V, the system regularly rebooted. The large heatsink of the self-made liquid cooling system had to stop all nine of its fans in such a situation, so that the power supply unit somehow managed.
The central processor Core i7-5960X (Haswell-E) was cooled using the same homemade liquid system, its frequency was kept at 4.8 GHz or 5.0 GHz, depending on the test. The result of all these events was the best results among the bundles of three GeForce GTX 980 Ti video cards in the following disciplines:
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101 201 3DMark2001 SE at the frequencies of video cards 1545/8164 MHz;
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17 685 points 3DMark Time Spy at the frequencies of video cards 1545/8164 MHz;
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26 629 points 3DMark11 Extreme at frequencies of video cards 1545/8164 MHz.
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