N-Key Rollover (NKRO)

This is where you can press as many keys as you want at the same time, and all of them go through. Some gaming keyboards call this 'anti-ghosting'. Please note that only PS2 keyboards can truly offer full n-key rollover as USB specs limit this e.g 6-key rollover or 8-key rollover - this shows the limit of the amount of keys which can be pressed at the same time and all appear