- The HP ProBook 6470b and 6570b start at $769, the HP ProBook 6475b starts at$669 and the HP ProBook s-series starts at $589. All three HP ProBook series are expected to be available on June 4.

The ProBook s-series is a bit of a step down in features, but is more flexible, with the 4440s and 4441s 14-inchers, 4540s and 4545s 15-inchers and 4740s 17-inch models.