Except doing so can fry your build.
Modular Cables Aren’t Universal
Many cables inside your PC are standardized.
What does that mean exactly, and why is it problematic?
A particular component might turn on because it has power but function erratically because it is undervolted.
Use the new cables that came with the new PSU.
you could also communicate with the manufacturer, and they’ll send you a pinout list or diagram.
NZXT
Identifying the Cables by Pinout Testing
Actuallytesting your PSUand your cable pinouts isn’t difficult.
Anything else is just a dice roll and not worth the potential damage to your hardware.
daniiD/Shutterstock.com
This simple all-in-one unit tests ATX power 20 and 24-pin connectors as well as PCI-e, MOLEX, and SATA power connectors, too.
