Modern power supply units (the safe ones!) are usually certified with something called 80 PLUS, also known as 80+. It's a universal efficiency rating that is meant to tell you how well your PSU ...

If your computer is behaving strangely or randomly crashing, it can be hard to nail down the culprit. And as much as you don't want to believe it's the problem, testing your power supply should be ...

A computer power supply converts AC into multiple DC voltages. For example, 12 volts is commonly used for drives, while 3.3v and 5v are used by the chips and other motherboard components.

Block diagram of a PC power supply. Red lines are AC, green lines are DC. Here’s a picture of the PSU we’re examining with the parts that do all of those steps highlighted.

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 ...

A strong, reliable power supply is the heart of a strong, reliable PC. Here's how to replace or install a new power supply in your computer.

The power supply is a box inside the case that takes standard 120-volt power and converts it to many different types of power and feeds it to all of the computer's internal components, from the ...

This results in wasted energy. The 80 Plus ratings are based on how efficiently the power supply manages these power needs, the "80" part of the name referring to a minimum 80 percent power usage.

When building a custom computer rig, most people put the SMPS power supply inside the computer case. [James] a.k.a [Aibohphobia] a.k.a [fearofpalindromes] turned it inside out, and built the STX160… ...

I will be doing a series of articles from my trip to the Computer History Museum in Mountain View, CA. Take a trip there and visit this amazing museum—it’s worth your time to roam through history. I ...

For anyone who is having problems with their Xbox 360 power supply, or who (like me) have managed to end up with a burnt out PSU and can’t get a replacement, here’s how I managed to run the ...

The 80 Plus program (www.80plus.org) is pleased to announce that the first desktop computer power supply has passed the world's toughest energy efficiency specification. Seasonic's model SS-400HT ...