Disabling PCIE storage device in windows?

Ok, so I have a z390 designare hack build with a 6900xt and just got an ASUS 4x nvme m.2 pcie card. Its a x16 card and so is my 6900xt. In osx i dont care about graphics power so I am happy to split the 16 lanes to 8 and 8 for slot 1 and 2 between my GPU and pcie storage. However, in windows I would like to totally disable that second slot(the pcie storage device) so as to route all 16 lanes to my GPU.

I game in windows so I need all the GPU lanes for performance there, but in OSX i dont do anything GPU intensive so I am happy to split the lanes to enable the storage device to store all my sample libraries on NVME.

I know I can disable a device in windows but does that in turn also free up those PCIE lanes?

Thanks in advance

submitted by /u/DOGMAmusic
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