Question 5900x & ASUS Strix X570-E PCIe Lanes

AlexM197

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Oct 3, 2016
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Hi,

I ordered a 5900x and the ASUS Strix X570-E Gaming mobo. I'm thinking of sticking 2 1TB NVME drives in it, but I'm a little confused about how the PCI-e lanes work.

I have a 3080, which I would definitely want to keep on x16, which leaves x4 CPU lanes. However, I the chipset has lanes which can be used for another NVME drive, at the expense of SATA lanes.

I was wondering how this works? Will having two drives limit the lanes available tot my GPU - reduce it to x8, for example - or is there another compromise somewhere?

Any help would be much appreciated :)
 

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