PCIe wifi 6 card will bottleneck ?
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Solved by fordy_rounds,
No, as long as your GPU is in the correct (usually top-most) PCIE slot. That slot (and usually one M.2 slot) has lanes that connect directly to the CPU. The other slots' lanes connect to the chipset, which then multiplexes them onto 4 lanes (AMD, though I think Intel is similar) connecting to the CPU. So if you put everything into slots that connect via the chipset, then yes, it could bottleneck; but if the GPU and storage are in directly-connected slots, then it won't.
To illustrate what I mean, here's the B550 diagram; other systems are generally similar.
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