Can't get Sys_Fan1 to work. Has a 3 pin connector and a 4 pin on the mobo. Help anyone? Fan works if plugged into Sys_2, tested both fans in that one and
System FAN vs CPU FAN Headers - Difference & When to Use Which
![MSI X399 SLI PLUS [40/90] Cpu_fan1 pump_fan1 sys_fan1 4 fan connectors](https://mcgrp.ru/views2/1307682/page40/bg28.png "MSI X399 SLI PLUS [40/90] Cpu_fan1 pump_fan1 sys_fan1 4 fan connectors")
MSI X399 SLI PLUS [40/90] Cpu_fan1 pump_fan1 sys_fan1 4 fan connectors
TTMOD PWM Fan 4 Pin Y-Cable 3 Pack
![MSI MAG B550M MORTAR [37/184] Cpu_fan1 pump_fan1 sys_fan1 3 fan connectors](https://mcgrp.ru/views2/1747205/page37/bg25.png "MSI MAG B550M MORTAR [37/184] Cpu_fan1 pump_fan1 sys_fan1 3 fan connectors")
MSI MAG B550M MORTAR [37/184] Cpu_fan1 pump_fan1 sys_fan1 3 fan connectors
Semi starting build - CPUs, Motherboards, and Memory - Linus Tech Tips
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Can I plug a cpu fan into a sys_fan1 slot? - CPUs, Motherboards, and Memory - Linus Tech Tips
![MSI Z370-A PRO [34/95] CPU_FAN1,SYS_FAN1~4, PUMP_FAN1: Fan Connectors](https://mcgrp.ru/views2/1307678/page34/bg22.png "MSI Z370-A PRO [34/95] CPU_FAN1,SYS_FAN1~4, PUMP_FAN1: Fan Connectors")
MSI Z370-A PRO [34/95] CPU_FAN1,SYS_FAN1~4, PUMP_FAN1: Fan Connectors
2 questions about fans : r/Noctua
System FAN vs CPU FAN Headers - Difference & When to Use Which
4-Pin Fan Splitter connected to SYS_FAN1 on motherboard, + Fan control questions. : r/buildapc
![MSI Z270 GAMING M5 [38/113] CPU_FAN1,SYS_FAN1~4, PUMP_FAN1: Fan Connectors](https://mcgrp.ru/views2/1300804/page38/bg26.png "MSI Z270 GAMING M5 [38/113] CPU_FAN1,SYS_FAN1~4, PUMP_FAN1: Fan Connectors")
MSI Z270 GAMING M5 [38/113] CPU_FAN1,SYS_FAN1~4, PUMP_FAN1: Fan Connectors
Gigabyte GA-7PESH2 SYS_FAN1 header type? : r/homelab
4/5) CPU_FAN/SYS_FAN1/SYS_FAN2/SYS_FAN3/SYS_FAN4 (Fan Headers | Manualzz
motherboard - Fan Connections for Cooler Master K280 vs Gigabyte GA-990FXA-UD3 R5 - Super User
Does this mean that SYS FAN1/2/3 don't have PWM control? : r/gigabyte
MAG X570S Tomahawk Max Wi-Fi Connectors | MSI Global English Forum
What is a system fan or SYS_FAN on a motherboard? - The Techtellectual
Pic inside) On my mobo, CPU_FAN and SYS_FAN1 are normal 4-pin headers. SYS_FAN2 is 4-pin in a smaller housing and fans won't fit. Why? : r/buildapc
![Gigabyte B650 GAMING X [21/39] 4 cpu_fan sys_fan1 2 fan headers](https://mcgrp.ru/views2/1920066/page21/bg15.png "Gigabyte B650 GAMING X [21/39] 4 cpu_fan sys_fan1 2 fan headers")
Gigabyte B650 GAMING X [21/39] 4 cpu_fan sys_fan1 2 fan headers
![Gigabyte A520M K V2 [17/30] 4 cpu_fan sys_fan1 fan headers](https://mcgrp.ru/views2/1920108/page17/bg11.png "Gigabyte A520M K V2 [17/30] 4 cpu_fan sys_fan1 fan headers")
Gigabyte A520M K V2 [17/30] 4 cpu_fan sys_fan1 fan headers
![MSI B250M BAZOOKA [27/134] CPU_FAN1~2,SYS_FAN1~4: Fan Connectors](https://mcgrp.ru/views2/1300799/page27/bg1b.png "MSI B250M BAZOOKA [27/134] CPU_FAN1~2,SYS_FAN1~4: Fan Connectors")
MSI B250M BAZOOKA [27/134] CPU_FAN1~2,SYS_FAN1~4: Fan Connectors
![MSI B450 TOMAHAWK MAX [32/156] Cpu_fan1 pump_fan1 sys_fan1 4 fan connectors](https://mcgrp.ru/views2/1916953/page32/bg20.png "MSI B450 TOMAHAWK MAX [32/156] Cpu_fan1 pump_fan1 sys_fan1 4 fan connectors")
MSI B450 TOMAHAWK MAX [32/156] Cpu_fan1 pump_fan1 sys_fan1 4 fan connectors
![How And Where To Plug In All Your Fans On The Motherboard [Updated Guide]](https://www.cgdirector.com/wp-content/uploads/media/2022/05/word-image-32.png "How And Where To Plug In All Your Fans On The Motherboard [Updated Guide]")