All about the various PC power supply cables and connectors
PC 4-Pin Molex/IDE to 3-Pin CPU/Chasis/Case Fan Power Cable Adapter Connector - Walmart.com
20x 4 Pin Pc Computer Mainboard Motherboard Case Buzzer Connector Internal Speaker Beep Code Buzzle Alarm Adapter Cable Hy400*10 - Pc Hardware Cables & Adapters - AliExpress
What is PIN?
PSU Modular 18+10Pin to 24 Pin ATX 20+4 Pin Motherboard PC Flat Power Supply Cable for Corsair AX860 AX760 _ - AliExpress Mobile
2 pin Motherboard Power Switch Connector, 16" Long – Mnpctech
Adapter PCI Express 8-pin / 2x 6+2-pin AK-CA-81
Amazon.com: Fancasee 4-Pin PWM PC Fan Hub Power Supply Cable 1 to 5 Way Splitter PC Motherboard Case Fan Power Extension Cable Cord for ATX Computer Case 4-Pin and 3-Pin Cooling Fans :