Is 400 Hz processing rate over kill?

Thinking about getting a new TV for gaming on PC and console and found SAMSUNG UE32H6410 Smart 3D 32" LED TV which has 400hz. Is this over kill for any of the consoles or PC?. Can higher hz be too powerful for gaming or isn't there a limit?

I'm pretty sure its not really 400hz, Samsung usually advertises there bullshit CMR higher then the actual refresh rate of the TV, I'd assume its either 120hz or 60hz.

"Samsung Clear Motion Rate does not equal to the actual refresh rate of the panel. Instead, they deceptively increase the number by adding to it the backlight scanning rate and the processor speed."

Nailed it. it's not real 400Hz at all