Pc Case Fan Power Connector
There is no fan control.
Pc case fan power connector. A four wire fan. A computer fan is any fan inside or attached to a computer case used for active cooling fans are used to draw cooler air into the case from the outside expel warm air from inside and move air across a heat sink to cool a particular component. Fan has a 3 pin power connector. 3 pin connectors are usually used for the smaller chassis fans with lower power consumption while 4 pin connectors are usually used by cpu fans with higher power consumption.
When using a 3 pin power connector with a 4 pin fan header the fan will always be on. When connecting a three wire fan to a four pin fan header the fan is always on. A three wire fan connecting to a four pin fan header. Fans and on board fan headers are backwards compatible.
If you connect the 4 pin fan connector to a 3 pin header then the fan will run at maximum rpm. There is no fan control. The four wire connectors are for processor fans with higher power consumption. Desktop board has a 4 pin fan header.
Pwm fan splitter cable hub 1 to 4 power adpater motherboard pmw 4 pin fan sleeved braided y splitter internal power extension cable for computer cpu case fan 1x4 converter 10 inches limited time offer ends 10 31. As you can imagine these are the corresponding connectors for the power button and its corresponding led light if your case has one reset switch and your hdd light. Note that chassis and cpu fans may use either 3 pin or 4 pin power connectors. Most cooling fans will connect to a pc with a standard connector of some sort.
The three wire connectors are for small chassis fans with lower power consumption. Next press down until the fan connector until it is fully connected to the motherboard header. Modern systems will typically use 3 pin or 4 pin dedicated fan headers though standard molex 4 pin peripheral. Say hello to your front panel cables.
The fan connector will have two guides 1 and these will need to line up with the tab 2 that is on the motherboard fan header. Usb3 far left front panel centre left speaker centre right and usb2 far right. Fancasee 4 pin pwm fan power supply cable 1 to 5 splitter 5 way pc case internal motherboard fan power extension cable cord wire for atx computer case 4 pin and 3 pin cooling fans 13 inch black 4 6 out of 5 stars 591. Computer fans commonly come in standard sizes and are powered.
Proper fan connector placement is shown in the figures below.