that's right but the 'regular' one had 4. I've already seen a pro user (in music production) complain about this. But my point here is that the fact they are b

that's right but the 'regular' one had 4. I've already seen a pro user (in music production) complain about this. But my point here is that the fact they are both the same supports the theory that the logic board is the same on both models.