Current processors, video cards and also strongly overclocked components have larger Requirements of the used PSU. Because straight with the popular increase of the voltage (e.g. Vcore, VDDR, GPU voltage, etc.) to the achievement from better overclocking results increases also drastically the power consumption of the PC. If one uses compressor cooling or other high performance cooling systems to the heat dissipation, it can also result in an overloading of the power supply unit (PSU), which results in the most harmless case through an unstable system. This is the reason why here's once again a High end power supply review.



Link: OC Inside