- Aug 23, 2013
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Is it possible to install a 16x PCIe card into a 1x PCIe slot via cable and use it for rendering?
- Thread starter BigLouis1971
- Start date
Solution
EpIckFa1LJoN
Admirable
- Jul 27, 2016
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I wouldn't use it for gaming.
Any cable will reduce the available bandwidth and reduce gaming performance. For rendering it might be okay.
I can't see any application where the card will operate at full potential though, simply because you will mostly likely be limited by the data transfer rate of the cable.
I could be totally wrong though, unfortunately those are educated guesses
Any cable will reduce the available bandwidth and reduce gaming performance. For rendering it might be okay.
I can't see any application where the card will operate at full potential though, simply because you will mostly likely be limited by the data transfer rate of the cable.
I could be totally wrong though, unfortunately those are educated guesses
- Aug 23, 2013
- 248
- 0
- 10,690
Math Geek :
since you can put the card directly into the slot, i assume a riser cable would also work.
you did not add the link to the product so can't verify anything
you did not add the link to the product so can't verify anything
I added "this" as the text link.
- Aug 23, 2013
- 248
- 0
- 10,690
I received my cables a few days ago and did some tests. Since it was a temporary test I just put my tower in a vertical position, installed my GTX 1070 and GTX 970 in the PCI-E 2X and PCI-E 1x slots respectively with the ribbon cables and just placed my cards laying around without touching any circuits to avoid shortages. It took more than usual to boot into Windows 10, but finally the cards were recognized. I ran the classroom benchmark with some modifications to the settings. Here are the times with the cards installed in different slots:
1) both cards installed in PCI-E 8X slots: 36 seconds
2) 1070 in 8X slot and 970 in 2X slot : 36 seconds
3) 1070 in 2X slot and 970 in 1X slot: 44 seconds
4) 1070 alone in 16X slot: 51 seconds
5) 1070 alone in 8X slot: 52 seconds
6) 1070 alone in 2X slot: 56 seconds
7) 1070 slone in 1X slot: 61 seconds
A few facts worth to be mentioned are that there are no noticeable difference between 16X and 8X when rendering with the GTX 1070 alone. There's 10% performance decreace between 16X and 2X and 20% between 16X and 1X. I have no 4X slot so I wasn't able to mesure that.
I plan to get one of those risers that work with USB 3.0 cables because I think it'll be easier to put the cards in a safe place with them instead than with the ribbons. I hope there's no difference in performance between the ribbons and the risers.
I plan to build my own wooden box to be able to install the cards safely because right now I did my tests in a mid tower case with only 7 expansion slots and I wasn't able even to use the third PCI-E 2X slot properly. Thanks for reading my post and I hope is useful for you.
1) both cards installed in PCI-E 8X slots: 36 seconds
2) 1070 in 8X slot and 970 in 2X slot : 36 seconds
3) 1070 in 2X slot and 970 in 1X slot: 44 seconds
4) 1070 alone in 16X slot: 51 seconds
5) 1070 alone in 8X slot: 52 seconds
6) 1070 alone in 2X slot: 56 seconds
7) 1070 slone in 1X slot: 61 seconds
A few facts worth to be mentioned are that there are no noticeable difference between 16X and 8X when rendering with the GTX 1070 alone. There's 10% performance decreace between 16X and 2X and 20% between 16X and 1X. I have no 4X slot so I wasn't able to mesure that.
I plan to get one of those risers that work with USB 3.0 cables because I think it'll be easier to put the cards in a safe place with them instead than with the ribbons. I hope there's no difference in performance between the ribbons and the risers.
I plan to build my own wooden box to be able to install the cards safely because right now I did my tests in a mid tower case with only 7 expansion slots and I wasn't able even to use the third PCI-E 2X slot properly. Thanks for reading my post and I hope is useful for you.
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