Z170 OC Formula, GPU in PCIE4 slot?

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   In the manual (http://66.226.78.22/downloadsite/Manual/Z170%20OC%20Formula.pdf) it states that I can have a single GPU in the PCIE1 slot and says 'N/A' for the other slots, but I'm wondering if this means that I can't put the GPU in the PCIE4 slot?
The reason I'd prefer to do this is because the GPU will be difficult to remove with my cooler (NH-D15) in the PCIE1 slot, and even if it only runs at x8 in PCIE4, my research suggests it will only be a 2% performance reduction in most applications.

Anyone know?

Thanks!

Edited by Naxos - 30 Jan 2016 at 4:13am

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Naxos Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 30 Jan 2016 Status: Offline Points: 4	Post Options Post Reply Quote Naxos Report Post Thanks(0) Quote Reply Topic: Z170 OC Formula, GPU in PCIE4 slot? Posted: 30 Jan 2016 at 4:12am
	In the manual (http://66.226.78.22/downloadsite/Manual/Z170%20OC%20Formula.pdf) it states that I can have a single GPU in the PCIE1 slot and says 'N/A' for the other slots, but I'm wondering if this means that I can't put the GPU in the PCIE4 slot? The reason I'd prefer to do this is because the GPU will be difficult to remove with my cooler (NH-D15) in the PCIE1 slot, and even if it only runs at x8 in PCIE4, my research suggests it will only be a 2% performance reduction in most applications. Anyone know? Thanks! Edited by Naxos - 30 Jan 2016 at 4:13am

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 25073	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 30 Jan 2016 at 4:55am
	It is a PCIe device and so should work, even in a PCIe x1 slot (if it is an open ended "flex" slot) so yes it should work fine.


Naxos Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 30 Jan 2016 Status: Offline Points: 4	Post Options Post Reply Quote Naxos Report Post Thanks(0) Quote Reply Posted: 30 Jan 2016 at 6:26am
	Thanks Xaltar! Any guess as to whether it would run at x16 in PCIE4? The manual isn't very clear on these things!

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 25073	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 30 Jan 2016 at 2:17pm
	PCIe 4 is connected as an x8 slot, if you look at the back of the motherboard you will note that only PCIe 1 is electrically connected as x16.