At pcpartpicker.com it notes that Note:Some physical dimension restrictions cannot (yet) be automatically checked, such as cpu cooler / RAM clearance with modules using tall heat spreaders. How do I check if all my components will fit inside the case when building PC from scratch? In addition, what do I need to consider in for example leaving clearance for airflow. My potential build list is https://pcpartpicker.com/list/4knhK4