z620 workstation pci-e 16x Ver 2 o 3 ?

[GiuseppeP]

Hi i have one Z620 with pny gtx 1080 xlr8 installed with one 6 to 8 pin adapter

is pci -e 16x  ver 2 or 3?

because when i check with GPU-Z i find only v2 run

thanks

[MtothaJ]

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@GiuseppeP wrote:

Hi i have one Z620 with pny gtx 1080 xlr8 installed with one 6 to 8 pin adapter

is pci -e 16x  ver 2 or 3?

because when i check with GPU-Z i find only v2 run

thanks

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The PCIe 16x slots are 3.0.

I suspect that you have Sandybridge v1 CPU installed in the system in this case by default the Nvidia drivers set the speed to 2.0.

You can however 'unlock' 3.0 speed by installing a patch from Nvidia - google it or check my previous posts, I have posted a link to it.

[GiuseppeP · Accepted solution]

Thanks MtothaJ for the info i solved !!

I find the link Nvidia Geforce Gen3 pci-e unlock

it need to run with admin privilege

And finally it works