thanks a lot for the answers!
alright I am going to stick with the noctua. According to the ram compatibility list you provided I have 44mm clearing for the DDR4. so these should fit (42mm):
G.SKILL RipJaws V, 2x 8GB, DDR4-DIMM, PC4-28800 (3600MHz), CL17-18-18-38-2N, heatspreader • Low Voltage...