3x Titan Z on an ASUS Z87-WS for GPGPU

tiger10guy · May 3, 2014

I'm building a desktop for scientific computing with GPUs. Right now the Titan Z (if Nvidia releases it soon) looks like a great choice for raw speed, memory, and price (compared to K40).

Is it a good idea or even possible to fit 3 of these side by side in an ASUS Z87-WS motherboard?

Amdlova · May 3, 2014

lol. you wanna a x79 to do such thing. z87 will crush and die.

tiger10guy · May 3, 2014

Amdlova :

Any particular reason why? The z87 can do quad x8, right?

cst1992 · May 3, 2014

No. You need a x79 for 40 PCI-e lanes. In Z87 you'll get 16.

mesab66 · May 3, 2014

You are purchasing THREE Titans in DUAL configuration.

--> with that financial outlay, you want (obviously!) the best base architecture.

--> Z97?

info: http://www.tomshardware.co.uk/gigabyte-z97-motherboard-details,news-47773.html

cst1992 · May 3, 2014

That's Z97, not x.

mesab66 · May 3, 2014

Oops...typo...corrected.

JUICEhunter · May 3, 2014

I thought SLI had a max of 4x total. Each titanz card would be 2x per card so two titanz cards which would be like 4x SLI... Wouldn't 3 titanz be like 6x SLI?

cst1992 · May 3, 2014

They don't need to be in SLI for GPGPU. Kind of like cryptocurrency mining, where SLI is not required. Actually it hurts the hashrate.

Bomi Luca · May 6, 2014

I just finished building two identical CUDA workstations using Asus z87-ws and three x GTX780 in SLI. Tight fit but works light a charm.

Length of gtx780 and titan seem to be the same:

http://www.bit-tech.net/hardware/graphics/2014/02/26/nvidia-geforce-gtx-titan-black-review/1

Check z87-ws user guide for PCIE speeds when populating the motherboard with 1,2,3,4 GPUs.

tiger10guy · May 7, 2014

Thanks for the answers! It looks like I'll switch to a Z97 motherboard.

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3x Titan Z on an ASUS Z87-WS for GPGPU

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