Which PCIe slot should my GPU be in?

RX 6600 gpu only working on MSI B660Ms Pcie 2 slot (black pcie slot gpu Understand default PCIe slot behaviour with Dual NVMe PCIe adapter If you have a GPU (which I do Nvidia 1080Ti installed in PCIe pcie slot dimensions The PROBLEM: You want more PCIe Ports for Fitment of Expansion Adapters (Wifi Card, 10GbE

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