The motherboard has absorbed yesteryear's daughterboard, leaving a modular USB-C port (with a Knowles hanger-on microphone) ripe for the picking.

Samsung continues to provide sanctuary for the now endangered headphone jack, while saddling it with a super thin spring-contact-connected cable.

The heat pipe has significantly more surface area than prior generations. Perhaps those pipes proved the concept, or proved they needed to be that much beefier (because Fortnite).