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What does this mean? "4Pin and 3Pin cannot be connected at the same time to avoid a short circuit" : r/buildapc
![power supply - Is the 4-pin PSU connector required? (Trying to connect a PSU to a mini case.) - Super User power supply - Is the 4-pin PSU connector required? (Trying to connect a PSU to a mini case.) - Super User](https://i.stack.imgur.com/WQfAV.jpg)
power supply - Is the 4-pin PSU connector required? (Trying to connect a PSU to a mini case.) - Super User
![Convert 20+4 pin connector on a ATX power supply and plug it into computer motherboard 20pin 24pin - YouTube Convert 20+4 pin connector on a ATX power supply and plug it into computer motherboard 20pin 24pin - YouTube](https://i.ytimg.com/vi/UieUuVpJ9Yc/maxresdefault.jpg)
Convert 20+4 pin connector on a ATX power supply and plug it into computer motherboard 20pin 24pin - YouTube
![power supply - Is the 4-pin PSU connector required? (Trying to connect a PSU to a mini case.) - Super User power supply - Is the 4-pin PSU connector required? (Trying to connect a PSU to a mini case.) - Super User](https://i.stack.imgur.com/F32lx.jpg)