Power Supply Cables and Connectors - PcInside.infoExplore further
2016-5-8u2002·u2002P1 (PC Main ATX connector) The primary task of the Power Supply Unit (PSU) is to provide your motherboard with power. This is done via the 20-pins or 24-pins connector. A 24-pins cable is backwards compatible with a 20-pins motherboard, often this cable can be split into 20- and 4-pins (like in the image above).
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