In this final excerpt from Scott Mueller's Upgrading And Repairing PCs, 20th Edition, we examine a number of power supply usage factors including ... read more

Today's article contains everything you've ever wanted to know about PC power supply specifications. Form factor dimensions, cable end pinouts, ... read more

How does a power supply work? Why is it important to choose a sufficiently powerful and efficient model? We guide you through discussions of ... read more

Gamers and enthusiasts are always on the lookout for crème de la crème hardware. It's easy to pick winning CPUs and graphics cards; less so for ... read more

Do you think that all power supplies are manufactured by the brand on the label? Think again. We show what makes a good PSU and reveal who builds ... read more

We purchased a few PSUs through dubious online vendors, among then an "extremely quiet" 500 W model for less than $30 (£18 at time of printing). ... read more

Battery life is always such a big deal in our mobile coverage (often because gaming systems fall so short). But don't feel limited by the ... read more

We received a trio of 1000 W power supplies priced between $200 and $300, so we ran them through our usual suite of tests to see if they really ... read more

Gamers demand a lot from their computers, starting with the PSU. Therefore, almost every PSU manufacturer sells products optimized for gaming ... read more

It's downright negligent to ignore the power needs of your high-end hardware. While many power users go to the trouble of tracking down solid ... read more

Did you think all power supplies were manufactured by the brand selling them? We show you what makes a good PSU and reveal who actually builds ... read more

In our last power supply article, we reviewed several relatively expensive, high-performance products suitable for powerful gaming PCs and ... read more

Enthusiasts often say that you can never have too much performance. However, a 500W power supply is perfectly ample for a majority of mid-range ... read more

Often overlooked, the power supply plays a crucial role in supplying the PC with stable and sufficient power. Unfortunately, not all PSUs on the ... read more

Uninterruptible power supplies (what most people call battery backup) are essential for protecting servers and bridging power outages. We looked ... read more