Help me identify a 3 pin fan connector (picture inside) which is different than the usual one going into motherboard 3 pin connector. | Overclock.net
![3-pin CPU fan always at 100% (due to PWM only mode), should I connect it to SYS_FAN (Voltage mode)? : r/buildapc 3-pin CPU fan always at 100% (due to PWM only mode), should I connect it to SYS_FAN (Voltage mode)? : r/buildapc](https://external-preview.redd.it/_l5ENKCOuVbQos2tg9Ym8toB-Du9LiVg3r9gEdWUHZE.jpg?width=640&crop=smart&auto=webp&s=1aa6e24d18b4033a8732d076fb481add5b2251d8)
3-pin CPU fan always at 100% (due to PWM only mode), should I connect it to SYS_FAN (Voltage mode)? : r/buildapc
![PC 4 Pin Molex/IDE to 3 Pin CPU/Chasis/Case Fan Power Cable Adapter Connector|Cable Tools| - AliExpress PC 4 Pin Molex/IDE to 3 Pin CPU/Chasis/Case Fan Power Cable Adapter Connector|Cable Tools| - AliExpress](https://ae01.alicdn.com/kf/H382cd0685efd4e828e41fc1317ddff09e/PC-4-Pin-Molex-IDE-to-3-Pin-CPU-Chasis-Case-Fan-Power-Cable-Adapter-Connector.jpg_Q90.jpg_.webp)
PC 4 Pin Molex/IDE to 3 Pin CPU/Chasis/Case Fan Power Cable Adapter Connector|Cable Tools| - AliExpress
![1PC 4 Pin to 3 Pin Fan Power Cable Adapter Connector 12V*2 7v 5v Computer Cooling Fan Cables for CPU PC Case 12.5cm|Computer Cables & Connectors| - AliExpress 1PC 4 Pin to 3 Pin Fan Power Cable Adapter Connector 12V*2 7v 5v Computer Cooling Fan Cables for CPU PC Case 12.5cm|Computer Cables & Connectors| - AliExpress](https://ae01.alicdn.com/kf/H92e2ff536e194ac5a371946667b30c3bt.jpg)
1PC 4 Pin to 3 Pin Fan Power Cable Adapter Connector 12V*2 7v 5v Computer Cooling Fan Cables for CPU PC Case 12.5cm|Computer Cables & Connectors| - AliExpress
![3 pin fans: What are the voltages used by the tacho (speed) line? | AnandTech Forums: Technology, Hardware, Software, and Deals 3 pin fans: What are the voltages used by the tacho (speed) line? | AnandTech Forums: Technology, Hardware, Software, and Deals](https://forum.level1techs.com/uploads/default/original/3X/c/f/cf50e545602e40caaeebaa34d0a9ada6a8b9e720.jpg)