There are two models of 13" MBP - based on the other specs of this new machine, it occupies the lower tier - which in the Intel models also only has two ports.

There are two models of 13" MBP - based on the other specs of this new machine, it occupies the lower tier - which in the Intel models also only has two ports. Presumably, when they fill the higher tier with the new chip it will also have more RAM and more USB ports.