X570 Creator and 5900x WHEA ID18

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   Dear Taco,
Thank you for the reply.

PBO enables CPU to maintain higher voltages for longer times, it means system will need more power after enabling this feature.
The CPU 5900X and GPU 3090 belongs to the device which has large power consumption. I afraid that the System will need at least 1200W to make itself working stably when it loading under PBO mode.

For this case, you can also use a stronger PSU to verify.

Thank you,

Best wishes,
ASRock TSD

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ASRock_TSD Members Profile Send Private Message Find Members Posts Add to Buddy List ASRock_Official Joined: 20 Mar 2015 Status: Offline Points: 8937	Post Options Post Reply Quote ASRock_TSD Report Post Thanks(0) Quote Reply Posted: 08 Jan 2021 at 2:20pm
	Dear Taco, Thank you for the reply. PBO enables CPU to maintain higher voltages for longer times, it means system will need more power after enabling this feature. The CPU 5900X and GPU 3090 belongs to the device which has large power consumption. I afraid that the System will need at least 1200W to make itself working stably when it loading under PBO mode. For this case, you can also use a stronger PSU to verify. Thank you, Best wishes, ASRock TSD

Taco Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 27 Dec 2020 Status: Offline Points: 9	Post Options Post Reply Quote Taco Report Post Thanks(0) Quote Reply Posted: 09 Jan 2021 at 1:49am
	Yes. I´m afraid that could caused the issue. I lowered the power consumption of the 3090 to 70% and no restarts so far. Now I am going to do a 24h render test with this setting. I really thought a 850W Platinum PSU is strong enough.