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July 26th, 2022 04:00
Dell R7920 - NVIDIA RTX3080 - Power Delivery
Hi all,
I have a PowerEdge R7920 with two Intel Xeon Platinum 8156 CPUs and 64GB RAM. I'm looking at installing an ASUS TURBO RTX3080 (blower style - model: TURBO-RTX3080-10G-V2) GPU which has a maximum power draw of 320W. I'm of the understanding that the riser can deliver a maximum of 75w, and the riser GPU power socket delivers a maximum of 225w, which is 20w's short of the maximum this card can demand. Is it possible for me to use another 8 pin power cable from another 225w riser power socket on the motherboard to share the power delivery load?
Thanks!
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G4L3A
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July 26th, 2022 06:00
Hi Dell-Shine K,
I fully understand that and acknowledge that the RTX3080 is not a supported card. However, my question effectively is it possible to utilise more than 1 of the riser GPU power sockets (delivering 225w each) to power a card that exceeds the 300w limit for a single riser card?
Thanks
DELL-Shine K
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July 26th, 2022 06:00
R7920 only support GPU up to 300 Watts. RTX3080 is not a supported GPU for R7920. You can refer below link for list of supported GPU for R7920
https://i.dell.com/sites/doccontent/shared-content/data-sheets/en/Documents/Precision-7920-Rack-Spec-Sheet.pdf
DELL-Shine K
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July 26th, 2022 07:00
RTX3080 is not a supported configuration for R7920. Not supported does not mean it will not work. As it is not supported it is not validated, hence we can not guarantee that it will work. You can try it out or wait for another Community member who tried this combination to share their experience.
G4L3A
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July 26th, 2022 07:00
Alternatively, I could use MSI afterburner and undervolt the RTX3080 to fit within the 300w max TDP limit
G4L3A
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August 22nd, 2022 03:00
Just an update for everyone (or anyone else curious if this is a viable solution). I received my ASUS TURBO RTX3080 and installed it into my R7920. Connected the GPU to the Riser 2 power cable and installed MSI Afterburner to limit my overall GPU power to 300w MAX. So far it has been working flawlessly.