The power supply on a computer transforms the alternating current from the wall outlet into a direct current flow that the computer's components can use. Testing the DC voltage output of the power ...

Sure, it's what turns your PC on and keeps it running through all those spreadsheet marathons and fantasy fragfests. But beyond startup and shutdown time, your desktop's power supply unit (PSU) ...

Rich was the editorial lead for CNET's Home and Wellness sections, based in Louisville, Kentucky. Before moving to Louisville in 2013, Rich ran CNET's desktop computer review section for 10 years in ...

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 supply. This is perhaps the most critical part of any computer that still gets overlooked by many. But the thing is, a PC can always be built without a graphics card (assuming that you picked a ...

But to ensure your computer, external hard drive/file server/media center, cable box/DTR, router, answering machine and other devices not only are protected but also don’t stop, you need an ...

New MOSFETs improve efficiency and switching speed in power supplies. Designed for servers and systems in high temperatures.

1] Does the PSU fan spin on startup? Some users reported that their Power Supply Unit fan spins on startup but stops after some time. Others reported that the PSU fan does not spin even on startup.

Spare PSU? Can solder? Got a 3D printer? Follow this 5-minute video guide to make a useful addition to any electronics workbench.

Useful for electronics hobbyists, this linear workbench desktop power supply circuit converts a high input voltage (12V) from the SMPS of a PC into low output voltage (1.25 to 9 volts). An adjustable ...