![motherboard - Do I need both the 8 pin and 4 pin cpu power plug for my MSI B450 Pro Carbon? - Super User motherboard - Do I need both the 8 pin and 4 pin cpu power plug for my MSI B450 Pro Carbon? - Super User](https://i.stack.imgur.com/deHsv.png)
motherboard - Do I need both the 8 pin and 4 pin cpu power plug for my MSI B450 Pro Carbon? - Super User
Common Computer Power Supply Connectors - Rectangular Connectors - Electronic Component and Engineering Solution Forum - TechForum │ Digi-Key
![An old ASUS motherboard here. The PC only turns on when the small 4-pin ATX12V ISN'T connected. The PC doesn't output anything from the GPU. Can't hear POST beep codes because this An old ASUS motherboard here. The PC only turns on when the small 4-pin ATX12V ISN'T connected. The PC doesn't output anything from the GPU. Can't hear POST beep codes because this](https://preview.redd.it/vlgvajq2d0991.jpg?width=640&crop=smart&auto=webp&s=29d73f24883c3e4e6aafa5308c43b294cee32f27)
An old ASUS motherboard here. The PC only turns on when the small 4-pin ATX12V ISN'T connected. The PC doesn't output anything from the GPU. Can't hear POST beep codes because this
![No POST", "system won't boot", and "no video output" troubleshooting checklist | Tom's Hardware Forum No POST", "system won't boot", and "no video output" troubleshooting checklist | Tom's Hardware Forum](https://forums.tomshardware.com/proxy.php?image=https%3A%2F%2Fi.postimg.cc%2FZRM1Rsz4%2F4-Pin-CPU-connector.png&hash=aab8dd73486754aff02bc5c56c3cdd7f)
No POST", "system won't boot", and "no video output" troubleshooting checklist | Tom's Hardware Forum
![Amazon.com: SATA to Molex Adapter 3 Pack 4Pin Molex to SATA Power Cable SATA 15 Pin Female to Molex 4 Pin Male Power Cable Adapter 8-inch : Electronics Amazon.com: SATA to Molex Adapter 3 Pack 4Pin Molex to SATA Power Cable SATA 15 Pin Female to Molex 4 Pin Male Power Cable Adapter 8-inch : Electronics](https://m.media-amazon.com/images/I/61s8iY+GYnL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: SATA to Molex Adapter 3 Pack 4Pin Molex to SATA Power Cable SATA 15 Pin Female to Molex 4 Pin Male Power Cable Adapter 8-inch : Electronics
![Sata 1 To 3 4 5 4-pin Power Cable Pc Computer Cooling Fan Splitter Hub Converter Adapter Extension Wire Cord - Pc Hardware Cables & Adapters - AliExpress Sata 1 To 3 4 5 4-pin Power Cable Pc Computer Cooling Fan Splitter Hub Converter Adapter Extension Wire Cord - Pc Hardware Cables & Adapters - AliExpress](https://ae01.alicdn.com/kf/Sa262d78bbc0046c185e0cdb27e4543718/SATA-1-to-3-4-5-4-Pin-Power-Cable-PC-Computer-Cooling-Fan-Splitter-Hub.jpg_640x640.jpg)