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Topic: 9 gpus in 1 mobo ? Asus z270e strix ? (Read 3331 times)

newbie
Activity: 9
Merit: 0
March 07, 2018, 03:58:58 PM
#30
I am running an ASUS Z270-E mobo with 8 1070's with no issues.  Powered with a 1200w platinum PSU.  Only issues I had was initially setting the rig up I started with 2 GPUs and added more as they came in.  I was often having to reset the bios and reboot multiple times to get things working but all is stable now.
full member
Activity: 182
Merit: 104
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October 21, 2017, 07:02:09 AM
#29
Not if you want to be the same vendor. You can try with 8 nvidias and 1 amd .. otherwise go for linux
newbie
Activity: 56
Merit: 0
October 21, 2017, 05:45:54 AM
#28
Okay, z270e working fine with 8 1080tis so it should work fine with 9 too. Just take care to set gen 1 and don't worry if the m.2 adapter doesn't work from the start Smiley

Do 9 cards work under Windows 8.1?
full member
Activity: 182
Merit: 104
Knowledge must be free !
October 08, 2017, 07:54:40 AM
#27
Okay, z270e working fine with 8 1080tis so it should work fine with 9 too. Just take care to set gen 1 and don't worry if the m.2 adapter doesn't work from the start Smiley
full member
Activity: 182
Merit: 104
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August 31, 2017, 10:34:24 AM
#26
One of the problems why 8 or 9 cards will not work is using gen2 in bios. Hopefully will find out next days and in case of problems will try with gen1
full member
Activity: 182
Merit: 104
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August 24, 2017, 03:02:47 AM
#25
yeah, when I get the evga t2 1600 I'm thinking to give it a try with 4 1080tis on it and one 1070 added to 4 1080tis on the corsair ax1500i. If will not work on z270e, I'll try it on z270a prime too
newbie
Activity: 21
Merit: 0
August 23, 2017, 09:48:50 AM
#24
iF YOU MANAGE TO GET GET 9 gpU'S IN THATthing and it works... lol hope it works
full member
Activity: 182
Merit: 104
Knowledge must be free !
August 23, 2017, 09:47:39 AM
#23
z270e with 7 1080tis is running fine ..around 400 MH/s on skunk and 11 MH/s neoscrypt ..
full member
Activity: 182
Merit: 104
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August 23, 2017, 04:17:26 AM
#22
hi guys,
I have both z270e and z270a prime.
Currently I'm using z270e for 1080tis and z270a prime for 1070s.
I follow up on this asking you if you heard z270e or z270a prime (preferably z270e) being capable of supporting 8 1080tis with one m.2_1 adapter, or if any special requirement will be in need. Currently I have 8GB RAM and one i3 7100. Currently I'm running 5 zotac amp extreme 1080tis on a corsair ax1500i on the edge .. 1520watts with 90% power. I'm planning today to put an extra 1050w seasonic psu and add another 2 asus stris 1080ti, and I will separate 4 zotacs on the corsair and other 3 on the seasonic 1050. Will let you know how it goes.
I'll receive a 1600w t2 evga hopefully in a few weeks so I can try with 8gpus on 1600+1500 but I hope to hear from you with real examples. Currently had some issues with those m.2 adapters ..
hero member
Activity: 1036
Merit: 606
August 06, 2017, 12:58:37 PM
#21
Cryptomined potsed a video with 12 AMD GPU's on a Asus Prime Z270-A using  a 4-way PCI-E 1x splitter expansion card and two m.2 to PCI-E 1x adapters.

https://www.youtube.com/watch?v=VvwDC1zi9x0
newbie
Activity: 56
Merit: 0
August 06, 2017, 12:06:23 PM
#20
Just remember each card you add over 6 multiplies the problems you will have by at least 3x

That is right. I usually have 5 or 6 cards. It is easy to manage.

hero member
Activity: 756
Merit: 560
June 30, 2017, 06:03:47 PM
#19
Just remember each card you add over 6 multiplies the problems you will have by at least 3x
full member
Activity: 182
Merit: 104
Knowledge must be free !
June 30, 2017, 05:08:49 PM
#18
I can confirm z270e supports 7 cards on win10. I'm waiting for the M.2->PCIE adapters to try with 8 cards and then try with 9 on linux
hero member
Activity: 1036
Merit: 606
June 10, 2017, 02:07:32 PM
#17
The ASUS Z270 PRIME A / AR is verified to do 9 cards, 264 MH/s per rig if you add two M.2 to PCI-E expansion adapters.

https://www.youtube.com/watch?v=pQ-EAunoAqY
newbie
Activity: 56
Merit: 0
June 10, 2017, 02:03:30 PM
#16
I am running two rigs with this board using 6 gpus sucessfully and soon to test with 7.

I can tell you that you won't be able to use both of the M.2 slots as you hoped because atleast 1 of the M.2 slots shared PCIe lanes with the PCIex1 #2 and #4 slots on the motherboard.
I know this because to get 6 gpu's to run correctly you have to distinctly change that setting to disable the M.2 slot in bios and use the PCIex1 #2,4 instead.
I am not positive but you may be able to use the other M.2 slot. I will double check, if so I may just order an adapter and try it out.

Edit: I am wrong, I looked up the PDF of the manual. It turns out it was the front USB 3.1 connector I had to disable in BIOS that shares bandwidth with the PCIex1 #2,4. The M.2 slots only share bandwidth with SATA 5 and 6. The M.2 adapters may very well work.
       Link to manual (Section 1.6.7):  http://dlcdnet.asus.com/pub/ASUS/mb/LGA1151/STRIX_Z270E_GAMING/E12349_Z270E_GAMING_BIOS_EM_WEB.pdf?_ga=2.219611673.1480583767.1496203431-1198207353.1492379291


In order to use the M.2, do yo need an adaptor for the graphics card?
jr. member
Activity: 68
Merit: 6
I am running two rigs with this board using 6 gpus sucessfully and soon to test with 7.

I can tell you that you won't be able to use both of the M.2 slots as you hoped because atleast 1 of the M.2 slots shared PCIe lanes with the PCIex1 #2 and #4 slots on the motherboard.
I know this because to get 6 gpu's to run correctly you have to distinctly change that setting to disable the M.2 slot in bios and use the PCIex1 #2,4 instead.
I am not positive but you may be able to use the other M.2 slot. I will double check, if so I may just order an adapter and try it out.

Edit: I am wrong, I looked up the PDF of the manual. It turns out it was the front USB 3.1 connector I had to disable in BIOS that shares bandwidth with the PCIex1 #2,4. The M.2 slots only share bandwidth with SATA 5 and 6. The M.2 adapters may very well work.
       Link to manual (Section 1.6.7):  http://dlcdnet.asus.com/pub/ASUS/mb/LGA1151/STRIX_Z270E_GAMING/E12349_Z270E_GAMING_BIOS_EM_WEB.pdf?_ga=2.219611673.1480583767.1496203431-1198207353.1492379291
newbie
Activity: 2
Merit: 0
I'm currently using this mobo and trying to setup a 6 GPU rig but I'm having problems getting the motherboard to boot with 5 GPUs. It shows al the GPUs plugged into the motherboard but in the device manager it is telling me that 3 of the 5 are not working properly because there are not enough resources (code 12). I'm not sure what I need to set it the bios to allow this. Any advice? Screenshots of bios config? Thanks
legendary
Activity: 3766
Merit: 1742
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No, if you have 1x 16x PCI-Express means (I think) you can connect in it 16 devices. Now plug in that 16x PCI-E one Switch PCI-E Multiplier, in that multiplier, you put another 3, resulting 9. I am not sure this will work, as the multipliers may or may be not suitable for such things.
On the 1x PCI-E you can put only one videocard, the switch won't help, place the switches in 16x PCI-E, that's what I did.

The PCI-e multiplier is 1x:

full member
Activity: 872
Merit: 120
8 cards on MSI Z270A-Pro w/ PCI-e splitter works fine, never even bothered with the M2

Could you please link these pcie splitters? I'm looking for them on aliexpress and they seems to be quite expensive

I have 2 of this, works both fine, don't know if links here are allowed, if not, just delete it. https://www.amazon.com/Mokao-PCI-e-Express-Switch-Multiplier/dp/B01LPIGJR8/ref=sr_1_2?s=electronics&ie=UTF8&qid=1496060322&sr=1-2&keywords=PCI-E+1X+1+to+3

So if you have a mobo with 7 pci you can have 21 gpus at the same time with enough power supplies attached?

No, if you have 1x 16x PCI-Express means (I think) you can connect in it 16 devices. Now plug in that 16x PCI-E one Switch PCI-E Multiplier, in that multiplier, you put another 3, resulting 9. I am not sure this will work, as the multipliers may or may be not suitable for such things.
On the 1x PCI-E you can put only one videocard, the switch won't help, place the switches in 16x PCI-E, that's what I did.
legendary
Activity: 3766
Merit: 1742
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8 cards on MSI Z270A-Pro w/ PCI-e splitter works fine, never even bothered with the M2

Could you please link these pcie splitters? I'm looking for them on aliexpress and they seems to be quite expensive

I have 2 of this, works both fine, don't know if links here are allowed, if not, just delete it. https://www.amazon.com/Mokao-PCI-e-Express-Switch-Multiplier/dp/B01LPIGJR8/ref=sr_1_2?s=electronics&ie=UTF8&qid=1496060322&sr=1-2&keywords=PCI-E+1X+1+to+3

So if you have a mobo with 7 pci you can have 21 gpus at the same time with enough power supplies attached?
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