This requires either a low noise sensitivity or a willingness to replace fans every year or so. I've put a ton of research and work into building silent PCs ove

This requires either a low noise sensitivity or a willingness to replace fans every year or so. I've put a ton of research and work into building silent PCs over the years. They inevitably start out silent, but as the fans wear they become audible around the year mark and annoying around the two year mark.