Questions about Intertech C-702 Diorama

Your comment made me laugh! You are right, the case has a strong resemblance to the O11 Dynamic. You can find more pictures of this case here: https://www.inter-tech.de/products/case/gaming-tower/c-702-diorama

120mm = 2 at the top, 2 at the bottom and one at the rear Or top water cooling 240mm and 3 extra fans 120mm

yup there is a lot of space in the back