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 ...

The best power supply (PSU) fuels your PC with the energy it needs to run your components. It's a simple part of your rig, but a crucial one that could become a real pain. The best PSUs need to keep ...

The diagram shows the circuit of a versatile USB power socket that safely converts the 12V battery voltage into stable 5V. This circuit makes it possible to power/recharge any USB power-operated ...

You may have seen the Ruideng range of programmable power supply modules from China: small and relatively inexpensive switch-mode buck converters, with microprocessor control and a front panel ...

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 ...

The power supply unit (PSU) is one of the PC components that we tend to take for granted. It sits in the case with a bunch of wires sticking out of it, and maybe once in a while we blow some air blown ...

Power supply manufacturers are happy to sell you high-efficiency supplies, and high-end 80 Plus units command a substantial premium. Are they worth the cost? We investigate. Share on Facebook (opens ...

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.