"... there is no upside for preventing users from using four sticks of RAM."
I beg to differ. Upsides:
* Reduced motherboard cost.
* More space available for CPU cooler and other components.
* Wide range of video connectors for use with an APU.
(How many of the other tested motherboards have HDMI, DVI and VGA ports?)
A comparison between those motherboards using a 2200G and internal graphics only, paired with a set of cheap RAM (instead of 1700X, high end RAM and discrete graphics), would put this motherboard in its correct element.
That said I'd rather spend a few bucks more to get the B350 chipset with full overclocking capabilities...
Obviously. But you need to test with the same components for standardization and clean test results. Multiple variables render the test invalid. Also, high end components raise the bottle neck beyond the reach of the component you're testing, otherwise you don't know which component is affecting speed.