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.

Don’t underestimate the importance of your PC’s power source. A good power supply serves as the cornerstone for a low-maintenance and highly reliable computer. But more often than not, boxed, ...

Power supply problems can be difficult to diagnose if you don't know what to look for. Here are some suggestions on how to quickly spot a faulty supply and how to replace it. A bad power supply can be ...

How switch-mode power supplies changed the power-supply design space. The isolation factor in power supplies: galvanic isolation vs. non-isolated. Most common non-isolated topologies. This series ...

If you're in the process of building your PC, one of the most important components to consider is which power supply unit you will choose for your new computer. While shopping, you might see the word ...