Questioning what the difference between altogether those fan headers on your motherboard is? Enquire no more.
Imagine this.
You're building your PC, You have your CPU, your cooler, and the motherboard in your PC-Case.
All you need to do now is to plug that little connector from your CPU Cooler into the Motherboard. You take the wire and go to plug it in.
And then you see this:
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Which indefinite perform you choose? CPU_FAN or CPU_OPT?
What is CPU FAN (CPU_FAN)?
CPU_FAN, standing for "CPU Sports fan", is the main lintel used by the motherboard, and the BIOS and any other software (SpeedFan, HWMonitor, NZXT Cam, etc), to regulate and control the CPU's thermals depending on the cargo past controlling the fan(s) hie (if you'rhenium using some sort of splitter).
It is critical that you make sure to plug your C.P.U. cooler fan into this header Eastern Samoa most motherboards Worth the name would not reserve you in addition the system other than.
Also, if the system is already running somehow, it testament safely compressed it down feather if it detects that the CPU has no cooler OR that the fans are malfunctioning and/operating theatre not spinning (when they are supposed to).
What is CPU OPT (CPU_OPT)?
CPU_OPT, dead for "CPU Optional", is mostly used when you have more than one fan on your cooler/radiator and you need somewhere to plug information technology in.
It's basically CPU_FAN without the "not booting if nothing is connected to IT" part.
It can also be utilised by many AIO/liquid cooling solutions as a power source for things like water-cooling system pumps and other things that might necessitate power but is not important or power-hungry enough to reroute power directly from the power supply.
SYS_FANS, CHA_FANS, etc
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And while we're at IT, we might every bit well address these as well.
I'm trusty you've already figured information technology out from the name. These are the headers you connect your incase fans to and are meant for differentiating winnow-control.
They're equal CPU_OPT, but not connected to the thermals of the CPU. So you'ray free to chub mackerel with them and increase or decrease them reported to your GPU thermals, CPU thermals, Case thermals, or whatever you wish.
And there are a wide variety of so much headers along late motherboards—mostly focused along helping water cooling. Let's rejoice that the days of plugging in 20 different things to 1 operating theater two headers are thankfully over.
In Summary
If you wish to connect fans from your CPU ice chest or radiator, utilize the CPU_FAN cope (With a splitter/hub if you have a lot of fans).
If you only have a two fan cooler, for example, you can just enjoyment CPU_FAN for one fan and CPU_OPT for the other.
If you have a radiator with a multitude of fans or just a large number of fans in general, you can look into getting a fan splitter / fan hub to accommodate them.
For example, you can use something alike that to plug totally three fans (or six if you take over fans on both sides) of a 360mm radiator to the CPU_FAN header.
Operating theatre you can retributory get a Y splitter (two feminine connectors, unmatched male) and secure one of the fans into CPU_FAN and the other two into the splitter, and so that into CPU_OPT.
You send away do the same matter with your case fans as well. Case fan into hub/rail-splitter, hub/splitter into example winnow header.
FAQ
- Can I plug a fan hub into CPU_OPT OR CPU_FAN?
- Yes. Simply I'd recommend you use CPU_OPT operating theatre a grammatical case fan header and keep CPU_FAN just for the CPU.
- And make a point that you'Ra not powering a lot of fans from i header. Headers can extend to hot when there's a Lot of power going through them.
- Get one that takes in external power from the exponent supply instead.
- Where do you plug PWM fans?
- If you want to use any of the PWM functionality, you need to plug the 4-pin PWM connector into another 4-pin header operating theatre else you will mislay that functionality.
- If you want to use any of the PWM functionality, you need to plug the 4-pin PWM connector into another 4-pin header operating theatre else you will mislay that functionality.
- Can you plug a 4-pivot fan into a 3-pin? And vise versa?
- Yep. 4-pin fans lav also be connected to your motherboard's 3-fall fan headers just dustlike. But you have to keep in mind that when connected to a 3-pin fan header, the fan will run at full speed unless your motherboard has voltage-based belt along control.
- What is the divergence between DC and PWM fans, and which is finer?
- Eh, IT depends. D.C. is Old and has been used since the multiplication of the dinosaurs. It has a 3-tholepin connector and it works well, but if you want more control over how fast your fan spins, you want PWM.
- PWM allows you to sustain finer control over your speeds and allows you to reliably attend lower speeds.
- Mostly any fan worth its weight in common salt comes with a 4-pin PWM connecter these days.
That's some it from us! Need help with assembling your Personal computer? Let us know in the comments or our Forum.
Can You Connect an Rgb Fan to the Cpu Fan Header
Source: https://www.cgdirector.com/cpu-fan-vs-cpu-opt/
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