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Do I need two power cables for my Ryzen 5 9600X CPU?

July 31, 2025 2 answers
Asked by TechieBoi42
Hey everyone! I'm trying to figure out the power requirements for my new setup. I have an AMD Ryzen 5 9600X and I'm using an MSI B550 Tomahawk MAX motherboard, which has two 8-pin CPU power connectors. Right now, I only have one 8-pin CPU power cable available, and I can't find another one for my PSU (Seasonic) locally. So, my question is, will one 8-pin cable be sufficient for powering the Ryzen 5 9600X? Thanks for your help! P.S. Sorry for my English!
build PC CPU Hardware MSI B850 Tomahawk MAX power cable power supply Ryzen 5 9600X

Answers

CableGuru99
Using just one 8-pin cable is usually fine for the Ryzen 5 9600X. It won't draw too much power, generally around 65-80W under normal loads, and a single 8-pin cable should handle that without any issues.
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WattWatcher23
Yeah, one 8-pin should be adequate. If you're concerned about power delivery, just ensure that your cable and PSU are in good condition. Over time, if you're planning on overclocking or pushing your CPU hard, you might want to consider getting an additional cable later on.
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