Hasrate randomly keeps dropping to 0 and up again

Hi. The hashrate on my mine keeps dropping randomly to 0 and goes back up. But sometimes this keep happening over and over again,.

I know about the hasrate watchdog but if i det it on too short time it keeps restsrting over and over again…

Does anybody know why this is happening? Could it be because of the 8,x 4GB Gpu"s i have starting to struggle with the DAG file?

Thx for reply

I would assume that DAG file too.
Do you have it overclocked? Maybe your settings just need a little more juice.