External GPUs (eGPUs) have long promised a tantalizing compromise — portability when you need it, and desktop-class ...

A power supply unit for a self-built or upgraded desktop PC must meet various criteria – and still remain affordable. We have answered frequently asked questions for you. How do I estimate how ...

That UPS battery isn’t a Green Lantern Corps Power Ring that’s good for 24 hours. Desktop UPSs are typically good for five to twenty minutes of power, depending on how big the battery is, and ...

One confusing part of power supplies are 80 Plus ratings. These ratings come in bronze, silver, gold and titanium, and can give the impression that one power supply is better than another.

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 ...

However, desktop computer power supplies are crucial components. In a run of the mill computer, they determine whether or not your computer turns on and works at all.

To the power supply, the entire computer system looked like a simple resistor. Emitter coupled logic (ECL) circuitry. A unique feature was the Cray's use of low-density/very high-speed ECL circuits ...

ATX power supplies — the generic name for Intel-specified internal power supplies for desktop computers — are designed for the lowest cost possible and offer poor active-mode efficiency.

You see, a computer user can choose to add a second power supply to the one they already have instead of purchasing a new and expensive model. In some cases, folks may have a second power supply ...

computer power supply 1 Articles Ammo Box PSU. February 3, 2013 by Brian Benchoff 30 Comments . Sometimes you need a power supply that can be thrown into the back of a car and taken into the ...

Building a computer is expensive, so trying to save a few bucks is understandable, but a power supply isn't the place to do so. Beyond the benefits of modular cables, a poorly built PSU can put ...

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.