A “single-rail” power supply has a single, high-power +12V rail for feeding power to hungry system components. A “multi-rail” unit divides its output between two or more +12V rails.

A benchtop power supply is a key thing to have for any aspiring electronics hacker. While you can always buy one, plenty of us have old computer PSUs lying around that could do a fine job themselve… ...

When [Tahmid Mahbub] recently reached for his ‘Lavolta’ BPS-305 bench supply, he was dismayed to find that despite it being a 30V, 5A-rated unit, the supply refused to output more than 15V.

For my PC with a Ryzen 7 2700X, GTX 1080 Ti, 16 GB DDR4 RAM, 1 TB NVMe M.2 SSD, 2 TB 7200 RPM HDD, and a NZXT Kraken X52 240mm AIO Liquid Cooler, the tool recommends that I get a 80 Plus Gold ...

A power supply’s output capacitors—which are typically ceramic capacitors with values between 100 nF and 100 μF—cost money, take up space, and, in the case of delivery bottlenecks, ...