Hi there,
I'm building a system that should be able to render to twelve monitors with a resolution of 1400x1050 pixels each and serve as a CUDA machine. The system will run linux.
My idea was to put four graphics cards into it so that each card provides for three displays.
I thought of the following components:
Motherboard: ASUS P9X79-E WS or ASRock X79 Extreme11, socket 2011
CPU: Intel Core i7-4930K (6x 3.0GHz)
GPUs: 4x GTX 780. Either Inno3D's Accelero Hybrid with water cooling or a different GTX 780 model with a model with a radial fan
RAM: 32GB oder 64GB
Netzteil: LEPA G 1600W
Gehäuse: Antec P280
HDD: Don't know, two 2TB drives for a software raid, I guess.
This raises some questions:
1. There are two PLX PEX 8747 to turn the 40 PCIe Lanes provided by the CPU into the 68 Lanes I need to have x16 for every GPU. Does this affect CUDA unified memory in any way? Will it be possible the address the complete combined RAM of CPU and GPUs?
2. I wrote an email to Inno3D, but, sadly, they did not reply. But maybe someone here can help me: The specs of the Accelero Hybrid state that it's a triple slot card (http://www.inno3d.com/product/ichillgtx780lcs.html). But I cannot see why. In the images they provide it seems to be a dual-slot card. Does someone know for sure? I would really like to put four of these into the system, because water cooling would reduce the heat problem significantly!
3. What are your generals thought on the system? Will it work the way I plan?
Thank you for your time and maybe answers.
I'm building a system that should be able to render to twelve monitors with a resolution of 1400x1050 pixels each and serve as a CUDA machine. The system will run linux.
My idea was to put four graphics cards into it so that each card provides for three displays.
I thought of the following components:
Motherboard: ASUS P9X79-E WS or ASRock X79 Extreme11, socket 2011
CPU: Intel Core i7-4930K (6x 3.0GHz)
GPUs: 4x GTX 780. Either Inno3D's Accelero Hybrid with water cooling or a different GTX 780 model with a model with a radial fan
RAM: 32GB oder 64GB
Netzteil: LEPA G 1600W
Gehäuse: Antec P280
HDD: Don't know, two 2TB drives for a software raid, I guess.
This raises some questions:
1. There are two PLX PEX 8747 to turn the 40 PCIe Lanes provided by the CPU into the 68 Lanes I need to have x16 for every GPU. Does this affect CUDA unified memory in any way? Will it be possible the address the complete combined RAM of CPU and GPUs?
2. I wrote an email to Inno3D, but, sadly, they did not reply. But maybe someone here can help me: The specs of the Accelero Hybrid state that it's a triple slot card (http://www.inno3d.com/product/ichillgtx780lcs.html). But I cannot see why. In the images they provide it seems to be a dual-slot card. Does someone know for sure? I would really like to put four of these into the system, because water cooling would reduce the heat problem significantly!
3. What are your generals thought on the system? Will it work the way I plan?
Thank you for your time and maybe answers.
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