It fits both a 240 / 280 and 360 radiator in the lid.

An artic liquid freezer III 360 fits in. (But none should be thicker than this Aio radiator! )

Whether a 120 radiator with fan fits in the back at the same time, in principle yes, but depending on the mainboard it could be very tight or lead to space problems!
And if then only a narrow radiator with 20-27mm