Built a for normal desktop use a nearly silent gaming MiniITX build, it hums from the graphics card when gaming. Fractal Design Node 304, ASUS Z170I Pro Gaming,

Built a for normal desktop use a nearly silent gaming MiniITX build, it hums from the graphics card when gaming. Fractal Design Node 304, ASUS Z170I Pro Gaming, Intel i7 6700k, Samsung M2 SSD, ASUS Strix Gaming OC Nvidia GeForce GTX 1070, Noctua NH-U12S CPU cooler, Corsair PowerSupply (PSU) CS550M. Runs Linux well.