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NVIDIA GRID K2 GPU power cabling on Dell R720 (MS)

Posted on 2014-07-21
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Last Modified: 2016-11-23
Hi,

I 've just installed NVIDIA grid k2 gpu card on one of my esxi hosts DELL R720
The card fit perfectly well but I am confused with it's external power cabling.
The card has 2 connectors at the back, 6pin and 8pin.
Nvidia documentation is not clear enough if I need to connect both or just 8pin would be enough.
Just wondering if anyone has installed this card and using.

Thanks
MS
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Question by:tabush
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Accepted Solution

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Andrew Hancock (VMware vExpert / EE MVE^2) earned 500 total points
ID: 40210026
You need to connect BOTH 6-pin and 8-pin connectors.

We have fitted Grid K1 and K2, and K40s in all our R720s

Did you purchase the additional GPU Conversion kit for your Dell R720 ?

see Page 22

Internal GPU Support

Because GPUs demand high power, each GPU has up to two power connectors for power delivery.
The GPU enablement kit is required for internal GPU installation. The kit contains the power cables
and other items to enable GPU support on the R720 chassis.


Source
http://www.orangecomputers.com/specSheets/R720.pdf

Also check, you have the correct power supplies installed, and the correct processors, the higer core processors are not compatible because of too much power, with a GPU kit!
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