#using the 2nd PCIE slot.

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heady spoke
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Hey guys! was helping a friend out with his pc and he told me he damaged the first PCIE slot, i was wondering if we could just use the 2nd one with the same x16 lanes or not, the website says the mobo has 2 x16 pcie lanes but the manual says something else which is confusing, please help!

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Motherboard is MSI Z390-A-PRO btw

grizzled perch
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its just that the second slot electrically will run as a x4 not sure what kind of gpu you are using so may or may not be fine

heady spoke
grizzled perch
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1080p/1440p should be fine

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and its not like it wont work either, you will just see a framedrop if it does become a bottleneck

heady spoke
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thanks for the info man

heady spoke
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https://youtu.be/Mu2G9MaXe3c?si=FCrcI3R68O6PabpN ah just saw this video aswell, seems pre ok

Pcie 4x slot vs pcie 16x slot (version 3.0) Will it impact gpu performance when inserted in low bandwidth x4 slot ?

12 games benchmarked.

Test system details: pciex16 vs pciex4

Intel i5 8400 3.8GHz all core turbo clock speed
Msi Z370 A-Pro motherboard supported - pci express 3.0 x16 & x4
asus strix rx 580 8gb OC edition gpu
hyper x preda...

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