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X670E Steel Legend - PCIe 3.0 x16 Slot (PCIE3)

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SoyJotilla View Drop Down
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    Posted: 10 Sep 2023 at 5:22am
Hi ASRock Team!!

Two months ago I acquired this X670E Steel Legend Motherboard, I had a 6GB GTX 1060 that only takes up two slots. When I purchased an RTX 4080 it takes up 3.4 slots. The question is that I have a Sound Blaster ZxR sound card that I have connected to the PCIe 3.0 x1 (PCIE2) slot, but with this new graphics card it can no longer be there. Can I connect the sound card to the PCIe 3.0 x16 (PCIE3) slot?

The doubt arises because the manual indicates page 6 -> 1 x PCIe 3.0 x16 Slot (PCIE3), supports x4 mode*

Link: https://en.creative.com/p/archived-products/sound-blaster-zxr

Thank you in advance for the clarification provided.
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eccential View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote eccential Quote  Post ReplyReply Direct Link To This Post Posted: 10 Sep 2023 at 5:33am
I see no issues here. If anything, you'd be better off putting the soundcard in the PCIe Slot #3 because that slot is connected directly to the CPU, instead of through the chipset.

Technically, ALL PCIe devices are compatible with ALL PCIe implementations, across generations and lane widths.

You can plug in an RTX 4090 into an x1 slot (physically not possible but can be forced using an adapter) and it should work. Conversely, you can plug in a simple x1 device into an x16 slot and it should just work. 15 of the PCIe lanes won't be used, so it's a waste, but that's nothing new. I mean, a lot of people have x8 GPU (RTX-3050, RX-6600*, etc.) plugged into x16 slots, and "wasting" half of the lanes, but nobody bats an eye.
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SoyJotilla View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SoyJotilla Quote  Post ReplyReply Direct Link To This Post Posted: 10 Sep 2023 at 6:55am
Thank you very much @eccential

I will make the change without fear of something bad happening.
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