Last few months Cooler Master acted aggressively on the PC chassis market. There are a lot of evidences, in form of new chassis models for various user target groups, to prove this claim. For example, HAF 932 has attracted a lot of attention as first representative of new HAF (High Air-Flow) series. After that we saw Storm Sniper that was intended for gamers and now we have Sileo 500 - new model in mid tower product group. Sileo 500 was designed as chassis with traditional values in mind. Another goal during design of Sileo 500 was to reduce noise levels of all components that are inside the chassis. But let's start from the beginning: exterior.