Overall, the performance of the PC Power and Cooling 750 Quad Black Power Supply was extremely impressive. Even with the extra load added by the synthetic load generator thrown on top of everything else the test system had to offer, the voltage rails wouldn't budge. They just kept on reporting the same static data, which is what you would like to see. Whether the data was being read instantaneously via a multimeter or over time with diagnostic software, the unit made it clear it could handle much more.