Question MSI Mag Z490 Tomahawk

Nighthawk117

Upstanding
Sep 27, 2021
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Hey guys,

Anyone out there that uses an MSI Mag Z490 Tomahawk and uses the 2nd full length PCI-E slot for another device with a GPU in the first slot. If so does it affect the the performance of the GPU?
The reason I ask is because I put an nvme SSD on an add in card in the second slot and my GPU went from x16 to x2. I know normally both full length slots are typically wired directly to the CPU and therefore they both drop to x8 when both are populated. However the manual states that only the top x16 slot is wired to the CPU and all the others go to the chipset. I've asked MSI and they say this is correct.

Appreciate your thoughts.

Thanks
 

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