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Corsair HX850 Question re ATX12V1

Fossil Rock

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I have a ASRock Z77 Pro mb. There's an 8 pin connector labeled ATX12V1. Is the EPS12V power lead compatible with this connector? Do I need power to this connector?


I don't have any plans to overclock the mb or use multiple GPUs.


Thanks in advance,



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  • Corsair Employees

You do need this connector. This is power for the CPU. This is the EPS12V connector.


Funny that they label it ATX12V. Typically, that would be a 4-pin connector and is why the 8-pin EPS12V connector splits into two.

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