fan slot ✓ What is the result of using a 3-pin fan connector on a 4-pin header

AMD B550 Ultra Durable Motherboard with Digital VRM Solution, PCIe x16 Slot, Dual PCIe Connectors, Realtek GbE LAN, Smart Fan 5 with FAN STOPfan slot,Improve computer cooling with Slot Fan for Back of Case Slot PCI Compact and efficient, it enhances airflow and extends component lifespan

Adapter to mount 80mm cooling fan in place of 5 empty PCI slots fan slot,The VCK190 cooling fan connector is shown in the following figure The VCK190 uses the Maxim MAX6643 fan controller,

fan slot,Rear: Up to 10x PCIe slots, plus a slot dedicated to the OCP adapter Slot One fan integrated in each power supply Power supply, Up to two hot-swap