Note that if you are going to side stack like I have (I like that look better), then you need to lay down a single layer of the foam inserts underneath for the racks to sit level with the top of the foam like mine do. Otherwise, they will sit down recessed some and the racks will move in that space when the case is up on end. Once, I remove the large section of my inserts, I then tear off a single row of the cubes the length of where the chips go and lay them down sideways. Rinse and repeat until you have raised the floor of the case up one cube width under where your chips will sit. This method closes that gap and makes the racks sit level. I can take pictures of what I am talking about if that doesn't make sense. If you double stack, you don't need to lay anything underneath as the racks fit snug.