Can I power Sapphire Nitro R9 390 with Seasonic M12II 620W?

sanfong · Mar 24, 2016

Hi.

I just bought Sapphire Nitro R9 390 and missed out on checking the power requirement. Sapphire stated that minimum requirement is 750W with 2 nos of 8 pin PCIe power connector.

I'm stuck with my current PSU, the Seasonic M12II 620W that only comes with 1 6pin and 1 8pin PCIe power connectors.

Am I still able to connect and power the GPU to my existing PSU?

helpstar · Mar 24, 2016

Get an adapter from 6pin to 8 pin
This psu will run it without problems

sanfong · Mar 24, 2016

I read that 6pins = 75w & 8pins = 150w. Will the card work properly with the adaptor? I'm worry that I might burnt my card or psu...

helpstar · Mar 24, 2016

Cheap psus would burn or explode, yours is a premium psu with protection features.
Your psu can provide 576W max. on the two pcie power connectors.

Archaic59 · Mar 24, 2016

helpstar :

I think you mean on the two +12 volt rails.

helpstar · Mar 24, 2016

Of course, sorry, meant that the two rails will provide the power to the two pcie connectors. 300W max. on both 8 pin connectors if using an adapter.

sanfong · Apr 5, 2016

Thanks for all the solutions. I decided to upgrade the psu because I don't want to risk of damaging the card or other parts.

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Can I power Sapphire Nitro R9 390 with Seasonic M12II 620W?

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