Originally Posted by Siegfried262
The CM 690 II doesn't have a window but is otherwise a fantastic case.
Sleek aesthetics, good cable managment, good stock airflow with plenty of room to expand, tooless installation, can fit radiators on the bottom and top if you're into watercooling or might want to in the future. One of the best cases I've worked with.
You could always custom side window afterwards, I even heard that it is possible to buy the side panel with window separately, and perhaps, there is an NVIDIA version of it.