Connector words

Ports

A socket is a shape. Almost everything worth knowing about it — the version, the bandwidth, whether it carries a picture at all — is invisible from the outside and optional in the listing. These five pages take the words apart.

Close-up of a black USB plug and its cable on a dark surface.
Photo: Ömer Yılmaz on Pexels

USB-C

USB-C

A connector shape defined by the USB Implementers Forum. Power, data and video are separate capabilities, and the socket looks the same whichever it has.

Published by
USB Implementers Forum
Screens naming it
5 of 14
Stating a version
0

HDMI

HDMI

The connector has not changed shape across specification versions, so the plug fitting proves nothing about which version either end implements.

Published by
HDMI Licensing Administrator
Screens naming it
13 of 14
Stating a version
2

DisplayPort

DisplayPort

A VESA standard with its own connector and its own version numbers, which also travels over a USB-C socket as an alternate mode without changing its name.

Published by
VESA
Screens naming it
5 of 14
Stating a version
2

Bluetooth

Bluetooth pairings

Not a port at all. It costs no socket and requires something the machine either has or does not have, which no keyboard listing can tell you.

Published by
Bluetooth SIG
Costs you
a pairing