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z170 oc formula GPU in any pcie slot?
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    Posted: 30 Dec 2016 at 10:18am
On the z170 oc formula, with a single GPU card, can any pcie slot be used or does it have to be the slot closest to the CPU?
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So far with my OCF I've had my GTX 1070 in the top TWO slots w/o issue. Mind you, YMMV, yet that is my experience here.
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Points: 4996 		Post Options Post Options   Thanks (0) Thanks(0)   Quote parsec Quote  Post ReplyReply Direct Link To This Post Posted: 30 Dec 2016 at 11:11am
Originally posted by Spacebar Spacebar wrote:

On the z170 oc formula, with a single GPU card, can any pcie slot be used or does it have to be the slot closest to the CPU?


It looks like the PCIE2 slot is an x8 slot electrically, while it is x16 physically.

The difference between PCIe 3.0 x16 and PCIe 3.0 x8 is said to be about 1% difference in performance.

Only the x16 slot closest to the CPU socket is x16 electrically.

EDIT: The PCIE2 slot is only x4 electrically according to the specs. The PCIE4 slot is x8 electrically, the PCIE2 and PCIE6 slots are x4 electrically.


Edited by parsec - 30 Dec 2016 at 11:22am
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Thanks for the info guys. I'm trying to watercool a Corsair 600q case and there is just not enough room for the pump between the GPU and bottom radiator.
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Points: 6447 		Post Options Post Options   Thanks (0) Thanks(0)   Quote wardog Quote  Post ReplyReply Direct Link To This Post Posted: 30 Dec 2016 at 12:45pm
Originally posted by Spacebar Spacebar wrote:

Thanks for the info guys. I'm trying to watercool a Corsair 600q case and there is just not enough room for the pump between the GPU and bottom radiator.


Well, don't put your GPU in the second slot like I had. It was only there temporarily thus I didn't notice the x4 slot.


Interesting, Inverted ATX. Top heavy for my HDD needs though.
http://www.corsair.com/en-us/carbide-series-quiet-600q-inverse-atx-full-tower-case




"".... not enough room for the pump between the GPU and bottom radiator.""

Huh? There looks to be plenty if your rad is mounted at the bottom.
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