Can I use a 12V-2X6 to Dual 8 Pin (6+2) PCIe cable to power my RX 7900 XT?
Can I use a 12V-2X6 to Dual 8 Pin (6+2) PCIe cable to power my RX 7900 XT?
Here are some details you might find useful to assist with your query:
- AMD Ryzen 7 9800X3D
- AMD RX 7900 XT
- Corsair RM850e (UK cable kit)
I understand you're looking into whether a 12V-2X6 power adapter can be used to supply power to your GPU through a dual 8-pin PCIe connection. To be clear, the adapter connects via a 12V-2X6 link from your PSU and splits into two 8-pin PCIe cables. You're wondering if this setup could work for your GPU.
As someone new to building, it seems like the manufacturers are pushing the idea of switching from PCIe to a 12V-2X6 power solution. If your GPU isn't compatible with this new format, it usually comes with a splitter that provides two modular PCIe slots. If you're unsure, I recommend checking if anyone else has tried this and what their results were.
I’m not sure about ordering another PCIe cable, but the splitter option might be better if it’s meant for GPU power. Just in case, it’s possible they didn’t include it originally since it’s not standard for that use case.
Hopefully, others are having a clearer day than I am right now.
You purchased additional power cables for your PSU?
Your PSU already includes default PCI-E power cables, such as one 8-pin and two 6+2 pin cables.
RM850e ATX 3.1 specifications:
https://www.corsair.com/eu/en/p/psu...ul...9020263-eu
Check the bottom for the included cables.
Yes, provided the adapter is reliable, you don’t need it because your PSU already has sufficient cables to power your GPU.
Keep in mind that the 12V-2x6 connector is exclusive to Nvidia GPUs; AMD and Intel use standard 6-pin or 8-pin connectors.
The UK version includes the 12V-2x6 to 2x 6+2-pin PCIe cables. For cards with 2x 8-pin connectors, use one single PCIe cable from the PSU and one of the two connectors from the other side. If it has 3, utilize all available ones.