Question My gpu is running at pcie gen 3, why???

Vetrix1996

Commendable
Nov 4, 2022
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Do i update the bios? I have a 4090 with ASUS TUF Z590 and a 11900k CPU. It should all be gen 4 but its running at gen 3. I went into the bios and it also only goes up to gen 3 there too.
 
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Using a pcie riser cable?
no, default nvidia cables
PCIE riser cable is this thing - for installing graphics card vertically.

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