Right now for me

713 W total for 2 S3

Frequencies:

1-->430 GH/s stable, 212,5 Freq, 41/42 temp
2-->439 GH/s stable, 218,5 Freq, 46/43 temp(cant run at 212,5 i get xx and -)

I will keep them that way just to test, i dont like the OC its nos stable