It seems that PSUs with a single +12V rail are recently becoming more and more popular, which is a trend present worldwide. The cause for this is likely the fact that more and more power-craving graphics cards are appearing on the GPU market, thus putting the +12V rail under considerable strain – just take Nvidia’s latest for an example. That makes PSUs with multiple +12V rails, but with a weaker power output, less desirable. This time, we’ve received a PSU from Cooler Master’s GX series, consisting of three models, with respective power outputs of 550, 650 and 750 W. The one we’ve tested is the strongest one, boasting a power output of 750 W…