Z170 OC Formula, GPU in PCIE4 slot?
Printed From: ASRock.com
Category: Technical Support
Forum Name: Intel Motherboards
Forum Description: Question about ASRock Intel Motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=1868
Printed Date: 26 Dec 2024 at 1:03am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: Z170 OC Formula, GPU in PCIE4 slot?
Posted By: Naxos
Subject: Z170 OC Formula, GPU in PCIE4 slot?
Date Posted: 30 Jan 2016 at 4:12am
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In the manual ( http://66.226.78.22/downloadsite/Manual/Z170%20OC%20Formula.pdf" rel="nofollow - 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!
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Replies:
Posted By: Xaltar
Date Posted: 30 Jan 2016 at 4:55am
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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. ------------- 
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Posted By: Naxos
Date Posted: 30 Jan 2016 at 6:26am
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Thanks Xaltar! Any guess as to whether it would run at x16 in PCIE4? The manual isn't very clear on these things!
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Posted By: Xaltar
Date Posted: 30 Jan 2016 at 2:17pm
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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. -------------
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