It's easy to build a great computer case if it's going to retail for $250 or more. Actually, I take that back: judging by some of the cases I've seen, maybe it's not that easy! While a high retail price is no guarantee of quality or usability, it's certainly more of a challenge to come out with a really great case at the $100 price level... but that's not going to stop Corsair from trying. In this article, Benchmark Reviews tests the Corsair Carbide 400R computer case.