In the past, overclockers had a core set of components they needed to focus on to guarantee stability and performance: CPU, motherboard, memory and GPU. One often overlooked aspect of the intrepid system builder was the PSU. However, as products have become more high powered, with GPUs especially needing hundreds of watts just on their own, PSUs have become far more important. With that in mind, InWin have sent over their Commander 750w PSU. Let's see how it holds up.