Because it sends only sound, an optical audio cable is usually used with a video-only cable, such as DVI (Digital Visual Interface) or S-video. So, what's the catch? Well, optical cables tend to be somewhat brittle, and the plastic ones are not as lossless as their glass counterparts...
Don't worry too much if your device doesn't support DisplayPort over USB-C. There are adapters available for DisplayPort over USB-C to DisplayPort, DVI, VGA, and HDMI inputs. DisplayPort recommends using adapters that are DP certified. Related:Understanding USB Cable Types and Which One to U...
DVI orHDMI), the AWG of the wire is not as important as for power wire. Since these electrical signals are usually low power, smaller AWG (larger wire) is not needed. In these situations, proper shielding and cable-pair twistingis more important for signal integrity than the AWG ...