“For these newer 3000 series cards, is it recommended to use two separate PCI-E power cables to plug into each 8-pin port on the card, or is using just one power cable that splits into 2 8-pin plugs safe?”
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Yes. I would highly recommend using 2 plugs instead of a splitter. While the splitter will work, if you can, use 2 plugs.
Sorry, there was a problem. Please try again later.Depending on the card. For a 3070 and below one power cable should in theory be enough. As the cards do not draw more than 225w the pice lane can do 75w and the cable can do 288w. https://www.gpuminingresources.com/p/psu-cables.html It is recommended that you use two for anything higher though. Also if you have stability issues try using 2
Sorry, there was a problem. Please try again later.I tried in both way. I mean nothing wrong to use one vga 8pin with splitter. But I do believe it is recommended to use two 8 pin separately. So if you have a relatively new psu, use two 8 pin. But nothing went wrong with me to use 1 8pin with splitter
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