What does it take to make a gaming computer? First of all, it must have a fast graphics card because nearly any mainboard today lets you install a top-performance CPU and a lot of high-speed system memory. So it is this inability to fit in a good enough graphics card (since it is large and has high power requirements) that makes most mini-ITX computer cases unsuitable for gaming configurations.
Still, there are exceptions, two of which are going to be covered in this review. Corsair's Obsidian 250D and SilverStone's Sugo SG05-450 both support advanced graphics subsystems but otherwise show two completely opposite approaches to design.
The Corsair can hardly be counted among the most compact products in its category, but it provides rich expansion capabilities and is totally compatible with regular PC components. Perhaps only the tallest of tower-design CPU coolers can't be accommodated in it.
The SilverStone is designed to be as small as possible, yet ensure the required minimum of expansion options. They even had to abandon the two largest components of a traditional PC: the power supply (our version of the SilverStone case comes bundled with a small 480W PSU of the SFX form-factor, but there is a version that comes without any PSU) and the optical drive (you can only install a slim notebook-oriented drive). The height of the CPU cooler is limited and very long expansion cards won't fit in. Well, this is the tradeoff for the 10.8-liter size.
The SilverStone being shipped with a bundled PSU, we will check out that PSU as well.