Spdif - Dell Alienware Series Manual

Mini High Definition Multimedia Interface (HDMI) provides digital connection between your computer and portable devices such as
smartphones, laptops, and so on.
Micro HDMI
Micro High Definition Multimedia Interface (HDMI) provides digital connection between your computer and portable devices such as smart
phones, laptops, and so on. This connector resembles the micro-USB connector found on most smartphones.

SPDIF

S/PDIF is a standard for transferring audio in digital format. You can use S/PDIF to audio devices such as sound cards, speakers, home
theater systems, TVs, and so on. It provides 5.1 audio support.
There are two kinds of S/PDIF connections:
• Optical—Uses optical fiber with TOSLINK connectors
• Coaxial—Uses coaxial cable with RCA connector
44 Ports and connectors