I'm having some trouble with my AMD RX 7800 XT GPU and I'm wondering if I have the right power cable connected. Currently, I'm using an 8-pin in the PSU to a 16-pin that splits into two 8-pins (6 and 2 configuration). I've heard this could be wrong and might be causing issues. What should I be using instead?
2 Answers
It sounds like you're not providing enough power to your GPU. The RX 7800 XT needs two 8-pin power connectors to work properly, but it seems like you're only using one. You should use the spare 8-pin socket from your PSU to power the second 8-pin for the 12VHPWR converter. If you're looking to order new cables, make sure they are compatible with your PSU. For Corsair PSUs, it's referred to as Type 4 for the pin layout. You can find premium cables made for this purpose or look for generic options on places like Amazon.
Just to clarify, you're going to need to connect two 8-pin cables to your GPU. So if your setup is currently using a 16-pin connector split into two 8-pins, you need to ensure that each leg of that connector is powered properly from the PSU. It's important to have enough power for optimal GPU performance!
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