Did you try underclocking it with the quiet fans? Running Braiins OS+ will let you crank that baby down to where it’s silent basically. You’ll obviously get a little less hash rate but it’s possible.
Discussion
It's an S9K. Can't run Braiins on those can you?
Hm. Let me get back to you. I was wondering the same about the S9i a while back and forgot to finish testing.
If I could get Braiins running on it that would be great. I'd just run it as a low power lottery miner. That was my original plan, but when I went looking for instructions to flash Braiins on it I came across some posts that said it won't run on the K version S9.