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Problem with installing Hyper M.2 into top slot (G5_1) Maximus z790 HERO

albertsp142
Level 7

I have a giant GPU so if I install it into the top slot (G5_1) tho lower slot (G5_2) is getting blocked and making it impossible to have Hyper M.2 card installed in there.

So I tried to install GPU into the second slot (G5_2) and have Hyper M.2 in the top slot (G5_1). 

The problem is, when I check my SSD with HWiNFO my GEN 5 SSD only gets Maximum Link Width x2 instead x4 which drops the speed from 14.000mb to 7.000mb. 

Can I fix it somehow? I tried so many options in BIOS and nothing works.

Does the top slot G5_1 only give 2 links? Why? Is it not suitable to have Hyper M.2 in the top slot?

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1 REPLY 1

Nate152
Moderator

Hello Albertsp142

According to the manual, if you put the Hyper M.2 card in the G5_1 slot, it supports pcie 4.0 x4, so it wouldn't give you 14.000mb.

z790 hero hyper M.2.png

The only way to get pcie 5.0 speeds is with the hyper card in the G5_2 slot. The motherboard M.2 slots are all pcie 4.0.

pcie 4.0.png