4 fans spinning at 400rpm (inaudible)Only SSDs so no moving partsFanless PSU Spent a lot of time making sure no noise would be directly made by my PC. It's the damn AC power which seems out of my control.
I'm not using a stock cable (BTG-audio 8 strand). It was a slight upgrade over the stock cable, but I don't have the stock cable to compare anymore and my ears are much better now. Toxic Cable's profile lists the Silver Widow litz at 445 GBP.