Power Supply Guides
Practical explanations designed to help you understand, troubleshoot and safely improve a gaming PC.
How much PSU wattage do I need?PSU sizing should consider CPU/GPU load, transient behaviour, efficiency, connectors and quality rather than adding component wattages blindly.80 Plus and PSU efficiency explainedEfficiency certification describes conversion efficiency at specified loads; it is not a complete measure of electrical quality or reliability.ATX 3.x power supplies explainedNewer ATX specifications account for modern GPU power behaviour and newer connector standards, which can simplify high-power GPU builds.Why modular PSU cables are not universalThe component-side connector may look standard while the PSU-side pinout differs, making cable swapping dangerous.