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PSU wiring

UaVaj

Golden Member
looking at the psu and wondering. why so many of the same wires? is there some sane reasoning behind this? open up the psu and most connects to the same place. 😵

why not just one wire and larger guage.

example. pcie connectors. instead of 3 ground and 3 12v per pcie connector. how about: 1 ground and 1 12v.

example of dual gpu with dual pcie connectors. that is 12 ground and 12 12v. how about: 1 ground and 1 12v to gpu1. 1 ground and 1 12v to gpu2.
 
Amperage perhaps? Maybe it is just in the interest of routing. Or it could simply be lock-in.
 
More efficient use of wiring. Single large wires are hard to route and to work with. Spreading it across multiple wires means you can run it more easily. Also more redundancy.

You can run 12 16-gauge wires or you can run 2 ought-gauge wires. To compare, the wires that run out of your car battery is single-ought (give or take). It's stiffer than a tree branch.
 
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