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What will happen if I use more than available PCIe lanes
I’am using ryzen 5 5600 with 20 PCIe lanes available with asrock b550M pro4 motherboard. if I use 16x for GPU and 4x for gen 4 NVME and also 2x for gen 3 NVME will my system fail?
i’am planning to upgrade my storage, currently using gen 3 M.2 NVME now planning to buy gen 4 and put it in the available slot so i’ll have 2 SSDs.
So the simple answer to the question: “How many PCIe lanes does a GPU use?” is 16. However, when you have multiple graphics cards, then that is another story.
So the simple answer to the question: “How many PCIe lanes does a GPU use?” is 16. However, when you have multiple graphics cards, then that is another story.
thanks these articles help me a lot to understand CPU PCIe lanes and chipset PCIe lanes. I also asked ASRock technical support and they said that it’s fine to fully install the PCIe and M.2 slots, they also said that if you use PCIe to NVMe adapter to make sure “set PCIe/GFX Lanes Configuration to x4x4x4x4 at Advanced\AMD PBS under BIOS then press F10 to save the settings.”
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