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.

Power supplies are a little more complex than they seem, and with the new ATX 3.0 standard, they're getting even more so. Check out this PCWorld guide to the PSU on YouTube! Power supplies are simple, ...

Buying a power supply can seem like a minefield of jargon and specs. What wattage do you need? What efficiency rating is best? Which form factor is right for your build? It’s no simple task to distill ...

What is the best power supply for a gaming PC? A quality power supply can make an enormous difference to the ease of use of your machine. The Power Supply Unit (PSU) converts electricity from the ...

Buying PC components at a store like Best Buy or Micro Center is easy. You pick what you want and take it to the register. You'll usually have the option to purchase a warranty, or at least to take ...