This model has a 27" 5120x2880 LED-backlit 16:9 widescreen IPS "Retina 5K" display. The rear of the case is aluminum and is thicker in the middle and tapers to a razor thin 5 mm at the edges.
Connectivity includes four USB 3.0 ports, dual Thunderbolt 2 ports, Gigabit Ethernet, 802.11 ac Wi-Fi, and Bluetooth 4.0.