Question about a motherboards memory support

parasight

Honorable
Nov 19, 2012
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10,630
I decided to go for the GA-Z77M-D3H motherboard, and it says it supports 2800mhz (OC). what's the meaning of this?
I will have to overclock my stick to 2800, or buy a 2800 stick?
thanks.
P.S. I do not want 2800mhz stick, it's just for my knowledge.