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Case fan support for ASRock X370 Killer SLI/ac

Sedivy

Estimable
Dec 17, 2016
2,324
0
3,960
497
- 1 x CPU Fan Connector (4-pin)*
- 1 x CPU Optional/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)**
- 2 x Chassis Fan Connectors (4-pin) (Smart Fan Speed Control)
- 1 x Chassis Optional/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)****
**The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power.

***The CPU Optional/Water Pump Fan supports the water cooler fan of maximum 1.5A (18W) fan power.

****The Chassis Optional/Water Pump Fan supports the water cooler fan of maximum 1.5A (18W) fan power.
CHA_FAN2 can auto detect if 3-pin or 4-pin fan is in use.

Assuming that the settings of pump fan headers can be adjusted, 3 at least and 4 if you're not going to use cpu_opt for cpu (ie. only one fan on cpu cooler).
 

Karadjgne

Titan
Herald
Using splitters or hubs, you can run out of space to mount fans long before running out of headers. Fans themselves should be kept in groups. If there's 2x fans on a front intake, that's a 2way splitter and 1x header. 2x fans on top is another header. Rear exhaust on the cpu_opt header, cpu fan/s on cpu_fan header. Plenty of room.

If using a hub, that's 6/8 fans on a single header. Powered by the psu, controlled by the header. Same for 3/4way splitters.

You'll not truly get the right answer until you pair the mobo, case and fans (± aio) and decide which direction you will want to go.

Either way, as sedivy pointed out, there's plenty of options.
 

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