Nvme & GPU bandwidths

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148

05-30-2018, 12:22 AM

Hi everyone. I'm trying to set up an AM4 motherboard with a Rog X470-f, using two NVMe drives. The problem is that I'm connecting my GPU in a lower slot and not in the 16x lane because of bandwidth sharing. I need a motherboard upgrade so I can use two NVMe drives and still place my GPU in the 16x lane without affecting it. Any suggestions?

nicoandreassen

05-30-2018, 12:22 AM #1

LordHamlin
Member

118

06-02-2018, 10:12 PM

Which GPU do you own? Unless you have a 2080ti or a similar model that can handle high bandwidth, it’s not worth upgrading your board for minimal gains.

LordHamlin

06-02-2018, 10:12 PM #2

Which GPU do you own? Unless you have a 2080ti or a similar model that can handle high bandwidth, it’s not worth upgrading your board for minimal gains.

Klitaurus
Member

06-08-2018, 05:13 AM

EVGA 1080 ftw acx model

Klitaurus

06-08-2018, 05:13 AM #3

EVGA 1080 ftw acx model

Tuetme
Senior Member

418

06-09-2018, 05:06 AM

It won't show significant improvement. The card only reaches about 80% of the available bandwidth. Maintain the board.

Tuetme

06-09-2018, 05:06 AM #4

It won't show significant improvement. The card only reaches about 80% of the available bandwidth. Maintain the board.

Brudora
Senior Member

726

06-26-2018, 11:56 PM

You can use a 2070 GPU and connect it to the 16x lane without issues, as long as your PC supports it. The issue usually comes from the motherboard or BIOS settings, not the GPU itself.

Brudora

06-26-2018, 11:56 PM #5

You can use a 2070 GPU and connect it to the 16x lane without issues, as long as your PC supports it. The issue usually comes from the motherboard or BIOS settings, not the GPU itself.

vdlogt254
Member

06-27-2018, 07:30 AM

Yes, only the lower position functions correctly.

vdlogt254

06-27-2018, 07:30 AM #6

Yes, only the lower position functions correctly.

Uselessbook
Junior Member

06-27-2018, 12:14 PM

Currently, the GPU is connected to the bottom slot with two NVMe drives. If I put it in the 16x lane, it sometimes starts up and other times doesn't.

Uselessbook

06-27-2018, 12:14 PM #7

Currently, the GPU is connected to the bottom slot with two NVMe drives. If I put it in the 16x lane, it sometimes starts up and other times doesn't.

Niqqur
Member

07-18-2018, 04:39 AM

Requires a distinct CPU paired with a different chipset. Non-workstation models from both Intel and AMD allocate 16 lanes to the initial x16 port. Inserting anything into the second x16 port reduces both slots to x8. No existing solution bypasses this behavior. You'll need a Threadripper or an Xeon board not built for desktop chipsets. For instance, the C264 remains a desktop chipset: https://www.asus.com/ca-en/Commercial-Se...-C246-PRO/ whereas the C422 fulfills your needs: https://www.asus.com/ca-en/Motherboards/WS-C422-PRO-SE/ If you're working with m2 NVMe drives, consult the manual to identify incompatible slots.

Niqqur

07-18-2018, 04:39 AM #8

biomedestroyer
Member

07-21-2018, 01:21 PM

Mostly it doesn’t depend on lane positioning. Wipe the slot free of debris before inspecting.

biomedestroyer

07-21-2018, 01:21 PM #9

Mostly it doesn’t depend on lane positioning. Wipe the slot free of debris before inspecting.

zKiller171
Junior Member

07-21-2018, 05:51 PM

#10

The current setup is ready. If I swap my GPU from the second slot to the first, I usually don’t need regular boots.

zKiller171

07-21-2018, 05:51 PM #10

The current setup is ready. If I swap my GPU from the second slot to the first, I usually don’t need regular boots.

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