A question about PCIe lanes and how they are divided
Most intel desktop processors have 16 PCIe lanes, which is just enough for an x16 GPU. Obviously, you can't use the GPU without an OS to run on, thus you will need an SSD. So now you have an x4 NVMe SSD. Because the SSD needs to have 4 lanes to operate, does the GPU go down to x8 because it doesn't have enough lanes to operate at x16?
I have noticed that many of intel's desktop chipsets for Sky and KabyLake have anywhere from 6-24 "Max # of PCI Express Lanes" when all of the processors have only 16 lanes. If you put a 16 lane i7-7700 on a Z270 motherboard with a "Max # of PCI Express Lanes" of 24, does the motherboard have its own PCIe lanes that stack on top of the processor's?
@danj I was hoping you could explain this, please.
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