EVGA Z390 DARK (131-CS-E399)
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Fan Header
This motherboard line only has 4-pin fan headers, which are backwards
compatible with 3-pin fan connectors. CPU1 and CPU2 controls fans via
PWM. The remaining headers control fans by either PWM or DC controls. The
headers have an absolute safe power limit of 2 Amp @ 12 Volts (24
Watts). These headers are for your CPU heatsink and chassis cooling fans.