I think that your temperatures especially on second card are very high and you have to put them down.You risk to burn your card with these temperatures.
Go with fans at 100% or undervolt a little for lower temperatures.
thank you. i couldnt fix gpu 3 and gpu4 temperature problem
i tried your setup advice today
now it lowered to 79. (it was about 87-88)
but surely my khs lowered to 1270khs

130khs wont kill me i think huh