Building a custom PC is an exciting and fulfilling endeavor. However, it can quickly become daunting when selecting a suitable power supply unit or PSU, a vital yet commonly underestimated component.

Power supplies are a frequently misunderstood—and overlooked—PC component. Many users choose a PC power supply based on total wattage alone, assuming that higher is always synonymous with better.

Picking out a PC power supply is a lot more challenging than it might seem at a glance. While there are always plenty of reviews of the best processors and top graphics cards, Power supply units (PSUs ...