Question Is the 2nd slot on the ROG STRIX B550-F GAMING going to "Cripple' my RTX 3070 realistically?

[shaolin95]

So turns out the case I will be using, will be blocking the first PCIe slot.... (silverstone DG11).
I was wondering if the 2nd slot will crippled my 3070 or if realistically, I will be fine.

Thanks


PS a different case is not an option.

 

[Sick Willie]

The 2nd slot is PCIe 3.0 x 4 lanes.

 

[OlyAR15]

What is blocking the first slot? Assuming you mean the GD11 and not DG11 (which comes up with nothing on a search), I don't see anything that should block the first slot, especially since that motherboard has the first pcie16 slot in the number 2 position and an m2 slot in the number 1 position.

 

[The red spirit]

Yes, a lot. RX 6500 XT is already being crippled quite badly by that, RTX 3070 is going to be crippled even more.

 

[lopri]

According to the manual, that slot is:

x4 instead of x16
Comes out of the chipset instead of CPU
Shares bandwidth with other slots AND M.2

So yes, GPU will lose performance.

 

[Caveman]

So... begs the question: Where does a 4090 start to become bottle-necked? 4.0 x 4x, 8x, or 16x?

3.0 x 4x, 8x, or 16x?

 

[lopri]

I reckon PCIe Gen 2 x8 may start showing noticeable performance loss.

 

[igor_kavinski]

PS a different case is not an option.

Photo would be more helpful to see what the blocking looks like.

 

[OlyAR15]

Photo would be more helpful to see what the blocking looks like.

OP hasn't visited since posting this, so I'm guessing he figured it out.