Though people rarely think too much about their computer power supplies, it plays the most vital role in day-to-day operation. Power supplies are generically rated by the amount of wattage they can ...

In the past couple of years, it has become very evident that CPUs and GPUs have become increasingly power-hungry. We doubt this will change in the near future, so those who prefer super-powerful ...

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.

An uninterruptible power supply (UPS) offers a simple solution: it’s a battery in a box with enough capacity to run devices plugged in via its AC outlets for minutes to hours, depending on your needs ...

Configuring a custom gaming PC is both fun and rigorous work. First, you get to research your components –- case, motherboard, CPU, GPU, memory, storage, peripherals, cooling, and power supply unit.

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 ...

Computers that are not receiving enough power can have subtle symptoms like graphical downgrades to obvious extreme symptoms like being unable to turn on. If a computer isn't receiving enough power, ...

The venerable ATX standard was developed in 1995 by Intel, as an attempt to standardize what had until then been a PC ecosystem formed around the IBM AT PC’s legacy. The preceding AT form factor was ...

System integrators can improve system reliability with redundant, paralleled power supplies that share the load. Load sharing distributes load currents equally among paralleled voltage-stabilized ...

To many of us, the utility power grid is a vast system of unknowns. Its performance can make unprotected electronic equipment useless. Why? Because grid voltage values, higher or lower than guaranteed ...

Richard Baguley has been writing about technology for over 20 years. He has written for publications such as Wired, Macworld, USA Today, Reviewed.com. Amiga Format and many others. Essentially born ...

Vicor’s Gary Gill says that using high-voltage DC for power distribution offers tangible and significant benefits for both sourcing options and system end-to-end performance. New technical ...