Hey Willi, here are two pics of my setup. The S9's were old and the previous person who owned them ran them hot and didn't clean them, they were so dirty when i got them, I had to task them all apart, and the control boards won't work with more than 1 hashboard connected so as you see on the left i had to use 3 control boards to control each hashboard. But having them in one enclosure saves me on the number of fans being run (control board 2 and 3 are set up in immersion mode) and I just let one control board run the fan at 8% speed (that is enough). I also am using two modular 1000w power supplies that I had, that are completely silent. Both of these miners don't make hardly any sound, but produce a little bit of heat. They are only pulling about 680 watts at the wall.
https://i.postimg.cc/FHggZSmS/20240121-153149.jpghttps://i.postimg.cc/nhtGB28Z/20240121-153215.jpg
