Newbi question here.

I recently built the computer that is in my sig. I ran CPU-Z, and I am not sure if I understand what it is telling me.

Core speed: 1230.3 MHz
Multiplier: X 9.0
Bus speed: 136.7 MHz
QPI link: 2460.5 MHz

Is my QPI link my speed? 2 (multiplier)(bus speed)