Desktop PC power supply units (PSUs) explained, including ATX standards and connectors, modular and non-modular cable options, power and efficiency ratings, and the latest ATX 3.0 developments. The video in which I fit and test a quiet PSU with a zero-RPM fan at low loads is here: The first of two videos where I built the Mini-ITX PC is here: And I have a more recent, silent Mini-ITX build here: The PSU calculators shown in the video are here: Corsair: Cooler Master: be Quiet!: For additional ExplainingComputers videos and other content, you can become a channel member here: More videos on computing and related topics can be found at: @explainingcomputers You may also like my ExplainingTheFuture channel at: @explainingthefuture Chapters: 00:00 Introduction 00:46 PSU Basics (inc voltages & modularity) 02:25 ATX Standards & Connectors 08:08 ATX 3.0 & ATX12VO 2.0 11:36 PSU Ratings (power & efficiency) 13:51 Noise & Cooling 15:30 Wrap #PSU #Desktop #powersupply #explainingcomputers
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