Power supplies, also known as PSUs (power supply units), are one of the most important components of a PC build. It supplies power to all of the components, and it's also tasked with handling things ...

The 80 Plus rating is a voluntary certification for power supplies that indicates their efficiency and quality. A power supply with a good 80 Plus rating uses high-quality components and is usually ...

The power supply is one of the most overlooked components in a PC. For many builders, it’s an afterthought, something chosen at the end based mainly on wattage and price. But the PSU isn’t just ...

The 431w Enermax I've been using for the last year and a half has decided that it wants to cause me random reboots so its time to replace it. I can't deal watching the 3.3v rail going from 3.18-3.36 ...

AC/DC power supply manufacturers have focused their latest designs on meeting the increased demand for higher efficiency and miniaturization in industrial and medical systems. A few of them are also ...

When I built my first fully custom PC in 2017, I made several mistakes that I vowed never to repeat. Most of them were corrected in the new PC I built earlier this year—except for one. If I could turn ...

There certainly is plenty to choose from; we have Standard, Bronze, Silver, Gold, Platinum, and thus Titanium certifications. A PSU that is certified 80 PLUS Titanium is more efficient than your ...

For decades at this point, there’s been one nugget of knowledge universally passed down from veteran PC builders to newbies — look for an 80 Plus rating on your power supply. It doesn’t matter what 80 ...

I already own the case and power supply, but my power supply is about 6 years old (been running my NAS basically 24/7 since then). Do power supplies get less efficient or anything over time? I ...

Power supply manufacturers sometimes hear from customers with unfortunate dilemmas, such as, “I need to operate the power supply outside its rated voltage range.” Or, “What happens if I exceed my ...

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 ...