ATX 24-pin Power Supply Connector with 20-pin Board & Visa Versa
ATX Dell PSU to Offical ATX 2.0 spec pinout - Dell Community
power supply - What are all the multiple pins on PSU connectors for? How does a 24-pin MB connector work exactly? - Electrical Engineering Stack Exchange
File:ATX 20-PIN.png - Wikipedia
Car Stereo 20 PIN Wiring Harness Connector For 1Din/2Din DVD Power Cable Harness 945073629218 | eBay