Video

DisplayPort (DP)

Mini DisplayPort (miniDP/mDP)

HDMI

DVI

VGA

USB and Data

USB-A

USB-B

USB-B SuperSpeed (USB-B SS)

USB-C

Lightning

Thunderbolt 2

Thunderbolt 2 uses the same connector as Mini DisplayPort. You can tell them apart by the logo on the plug/cable

Thunderbolt 3

Thunderbolt 3 uses the same connector as USB-C. You can tell them apart by the logo on the plug/cable

Network

Ethernet

Power

USB-C

Dell Barrel (7.4mm)

Dell Barrel (4.5mm)

Microsoft Surface Power Connector

Magsafe 1

Magsafe 2