I have the b350 tomahawk motherboard and the coolermaster master box 5 rgb link (https://ca.pcpartpicker.com/mr/amazonca/Fj38TW) and i have a aio cooler with 2 fans on a 120mm radiator.
https://photos.app.goo.gl/8EtScsnGe22yQZ2PA
https://photos.app.goo.gl/8EtScsnGe22yQZ2PA