From the sound of it Its not worth the hustle. I have been running aquaero 6xt with aquasuite and all 3pin cables from the beginning and never failed. My goes is to archive as quiet PC as possible and I think its already silent. Sometimes trying to making things "better" doesn't always go that way and when it backfires, you wish you wouldn't touche it and I think I will do just that.
Btw. I just lowered % of my Nocta's fans from 42% to 39%, it makes a quite a bit difference in silence, yet still spinning and giving nice airflow
Thank you