16 GPU's on one motherboard NOt Possible????

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p3taoctane
Licensed Customer
Posts: 1418
Joined: Mon Jan 25, 2010 12:53 am

Leaving system BIOS issues aside, the nVidia driver does not support more than 8 GPUs in a single machine in either Linux or Windows.

Is this true??? How do they run huge render farms??? Don't they all have one one interface that you work with...

Has anyone on the forum seen more than 8 GPU's rendering?

Just wondering
Windows 7 Pro_SP 1_64 bit_48 GB Ram_Intel Xeon X5660 2.80 GHZ x2_6 580GTX_1 Quadra 4800
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Goldorak
OctaneRender Team
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Joined: Sun Apr 22, 2012 8:09 pm
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I have never seen more than 8 Nvidia cards on one system work right, at least on Windows. We have tried 4x590 + one AMD 6970, so 9 GPUs are possible in this configuration: 8 for Octane, one for the primary display / app UI.
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whersmy
Licensed Customer
Posts: 723
Joined: Thu Aug 30, 2012 7:40 am

Goldorak how did you manage with the PSU`s? And is it for me possible to add an extra card with pci-extenders on an ASUS P6T7 with 4x 580s?

Greets
Octane 2022.1.1 nv535.98

x201t - gtx580 - egpu ec
Dell G5 - 16GB - dgpu GTX1060 - TB3 egpu @ 1060 / RTX 4090

Octane Render experiments - ♩ ♪ ♫ ♬
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