define r6

Hello Guys, im finally building my next pc but im trying to figure out what case and gpu mix choose, so at first i wanted to go with RTX 2080 Super WaterForce (AIO no WB --) but since i would also go with an AIO for the CPU, that would mean that i'd need a case with 2 radiator spot 1x 280mm CPU...

I have a define r6 and a new Asus ROG STRIX B450-F GAMING When i turn on my mb the led the front hdd and power led light up for a second and then theres no light Yes i have the hdd led and power led mouted correctly I miss the light for some reason although im not at all into rgb and lights...