Why is my RTX 5080 running at PCIe 5.0 x8 instead of x16?

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I’ve got an RTX 5080 and noticed that it’s only running at PCIe 5.0 x8 instead of the expected x16. I only have one SSD installed, so I’m puzzled about why it’s not utilizing all the lanes. Can anyone help me troubleshoot this?

1 Answer

TechWhiz00 -

Have you checked your motherboard’s manual? Sometimes, the SSD slot can take up lanes that the GPU might need. It’s worth a look to see if the M.2 slot is sharing lanes with the PCIe slot you’re using.

G4m3rXpl0reR -

I checked, and I’m using the ASUS B850-E. The first M.2 slot doesn’t share lanes with PCIe slot 1, so it shouldn’t be the issue.

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