usb - why USB3 motherbard headers have so many unused pins? - Super User
HDMI - Wikipedia
Optiplex 7010/9010 Front I/O panel pinout - Cases and Mods - Linus Tech Tips
Connector Basics - SparkFun Learn
DC connector - Wikipedia
Monitor Ports and USB-C: A Comparison of Display Connections - ViewSonic Library
USB-C - Wikipedia
Monitor Ports and USB-C: A Comparison of Display Connections - ViewSonic Library
DisplayPort Alternate Mode for USB Type-C Announced - Video, Power, & Data All Over Type-C
USB hardware - Wikipedia
File:USB 3.1 GEN2 Key-A front panel connector stack smial wp.jpg - Wikimedia Commons
RCA connector - Wikipedia
DIN connector - Wikipedia
USB - Kobol Wiki
USB hardware - Wikipedia
USB hardware - Wikipedia
USB-C - Wikipedia
IEC 60320 - Wikipedia
USB hardware - Wikipedia
Primer: The USB-C Connector – Beyondlogic
USB-C - Wikiwand
USBefuddled: Untangling the Rat's Nest of USB-C Standards and Cables - TidBITS
Coaxial power connector - Wikipedia
USB hardware - Wikipedia
