Cpu Opt Header For Case Fan

Since it is a "CPU_OPT" header, it may be tied into the settings for the main CPU fan by default.

Cpu opt header for case fan. I was going to connect one fan to the cpu and one to the cpu_opt header then decided not to in case the fan speed from the two different fans caused a problem and the NH-D14 instructions specify to use the Y splitter so I figured I should continue using Noctua's recommended install. 2 Channel 1 CHA_1 Header => Fan PCB No. Only have 2 chassis fan headers on my MB, so I decided to use the cpu_opt header for my last.

Is to account for users who might use an Air Cooler with more than one fan;. The SYS_FAN1, PWR_FAN and NB_FAN are 3-pin headers. PWM Fan Hub PC 5 Way Splitter Sleeved PWM Fan Splitter Hub Adapter Cable for 12V Desktop Computer Cooler Case Fans 4-Pin & 3-Pin 14 inches.

Each header should support 3-4 fans without an issue. Can anyone read into my ramblings and help me out here?. Anyway you could just connect the water pump fan (the block with wire connecter attached to it) to the optional CPU fan header.

Hello, Iv been working on my build and added some extra fans trying to achieve positive air pressure. In stock on September 18,. When load is applied.

I currently have this GA-X38-DQ6 motherboard and it has the following fan headers. The board has 4 headers (Sys_Fan 1 + Sys_Fan 2, 1 CPU_Fan and 1 CPU_Opt which is a combi fan/pump). H100i v2 to AIO header.

At idle, the CPU fan turns at around 0 RPM while the rear fan goes at about 850 RPM. Noctua NF-P12 redux-1700 PWM, High Performance Cooling Fan, 4-Pin, 1700 RPM (1mm, Grey) 4.8 out of 5 stars 2,699. Can anyone confirm that the System #7 fan is actually the CPU_OPT header?.

Cooler Master MasterFan PWM Hub - Supports up to 10 Fans (3-pin or 4-pin), Occupying only One 4-pin Motherboard Header (System Fan or CPU Fan) Types:. My board in sig has all four pin headers but only those two are PWM. My motherboard has 6 fan headers and a CPU_OPT header.

4.7 out of 5. On the case fans plugged to the CPU fan header - yes it will be controlled depending on the CPU temperature. Even though all 5 headers are 4-pin, from what I can tell, only the CPU_fan header is true PWM header.

Argus Monitor can control such fans. The CPU and system fans are the only ones, however, that are directly attached to the motherboard. The instructions to the H80iGT say that I have to connect the pump power cable to the CPU_FAN header on the motherboard and connect the fans that are attached to the radiator to the two connectors coming off the pump.

Since I have a free CPU fan header, I am considering connecting the rear case fan to this header. The fans seem to be at the speed I customized them to before I login and then once I put my password in, the fans kick up. Noctua NH-D15, Premium CPU Cooler with 2X NF-A15 PWM 140mm Fans (Brown).

Well not really, all fans turn off when CPU temps are < 40. 1 => (6) 140mm Fans on 3 x 140mm 45mm Radiator Channel 2 CHA_2 Header => Fan PCB No. They will run at FULL SPEED.

Thanks , HMZ < > Showing 1-1 of 1 comments. So I repeated this setup for the new board. One labelled CPU_fan, one as CPU_OPT and three more as Sys_Fan.

The case came with 3 fans installed on the hub. The problem is that sometimes these fans can get too loud. Dec 18, 13 #4 Z.

Fans and on-board fan headers are backwards compatible. Troubleshooting your CPU fan. If you have multiple CPU fan headers on your motherboard, try plugging the fan into a different slot.

According to the manual for Z170x Gaming 7 mobo, there are 5 fan headers on the mobo. This is how I've had mine for years;. You probably should account for inrush current but the manufacturers already do that, well at least some do, so not that big of a worry most of the time.

This is the header to use if you decide you want motherboard control of your radiator fans (for whatever reason). There is no fan control. Its recommended that the pump be connected to an alternative fan header on the motherboard such as System Fan 1, Chassis_Fan 1, or for newer motherboards a dedicated pump.

4-pin connectors are usually used by CPU fans with higher power consumption. Product Title Black USB Cooling Fan Silent Computer Case PC CPU DC. I would say that shouldn't be a problem.

Joined Sep 27, 08. 1 point · 4 years ago. And the "Y" cable for the radiator fans would connect to a regular fan header.

Press J to jump to the feed. I also explain long ryzen bo. Or Liquid Cooling for example with Rad + Multiple Fans you like to have.

I only installed one fan due to space constraint in ITX case. You have 2 CPU fan headers and 4 case fan headers on the motherboard with 2 cooler fans and 4 case fans. Chassis and CPU fans may use either 3-pin or 4-pin power connectors.

Opt cpu fan mirrors the CPU fan. Can i use a CPU-OPT header for a regular case fan ?. 3-pin connectors are usually used for the smaller chassis fans with lower power consumption.

One could also connect a 3-pin fan to the 4-pin header, in this case the fan would run at the 12 Volts rated speed only without the opportunity to control it. The CPU fan in AIDA64 is obviously the CPU_FAN header. CPU Fan Header => Pump No.

Make sure and check the settings for it. It is difficult to focus on your work when the constant whirring of these fans is making your device sound like an aircraft ready for takeoff. I suppose it.

Is it better to get a fan hub?. When connecting a three wire fan to a four pin fan header, the fan is always on;. Not sure if that's normal or showing total rpm of all 3 fans??.

Plug pump-3pin to CPU_FAN header, plug both 4pin fans to Y splitter coming out of the pump, plug USB to MB USB header. You just plug all of them in place and that's it. If 3-pin non-PWM fans are connected to this fan hub, this fan hub CANNOT give them extra PWM function.

Your board likely has CPU_fan, OPT_fan, and CHA_fan headers that each have different speed profiles (usually adjustable in bios or with Asus Fan Expert). Rear exhaust fan control is a disaster. Press question mark to learn the rest of the keyboard shortcuts.

The other 4 system headers probably can regulate fan rpm by varying voltage. Best Seller in Computer Case Fans. The CPU Opt header is marked as a water cooling style header.

I have 5 fans (2 front in the cpu fan, 2 top in sys 1, 1 rear in sys 2) using y-cables in the headers, in CPU_Opt I have the AiO pump connected. So I’m basically done. Use the CPU fan header on the board and the CPU opt fan header for your second fan Using a fan hub for something as important as your CPU cooler is not something I would ever do.

By default, anything connected to it will run at 100%. The pro4's 81 degrees for a stock Ryzen 3950x while on a test bench without the airflow that a case with decent fans blowing air through is in spec by degrees, it is a. However, if in doubt, just connect it to the standard CPU header.

See page 27 of your motherboard manual. Chassis Fan Hub CPU Cooling 10 Port 12 V SATA to Fan-Header with 4 Pin PWM Controller Efficient Chassis Adhesive Computer Cooling System Dedicated Supply from PSU to Link Multiple Points. I cannot reduce voltage lower than 50%!.

5 out of 5 stars, based on 1 reviews 1 ratings Current Price $10.86 $ 10. I would plug the pump into the pump header. Connect one fan to CPU Fan 1 and the other to CPU Fan 2 / OPT.

I have my front 3 fans plugged into SYS_FAN on a 4 pin connector, my CPU fan on the CPU_Fan header, but the rear fan 3 pin doesn't have anywhere to sit like a second SYS_FAN header. I would like to discuss fan headers on PC motherboards. H80i v2's manual states:.

The fan is powered with a constant 12 Volts supply and the Super-I/O chip can vary the duty rate of the PWM frequency to change the fan speed. FREE Shipping on your first order shipped by Amazon. I followed the above instruction.

Manufacturers forget to say this a lot unfortunately. And as I said, the CPU_OPT doesn't seem to be working. The answer to that may affect your decision on which header to use and if you are short headers for your case fans.

2 => (4) 140mm Fans on 2 x 140mm 60mm Radiator Channel 3 CHA_3 Header => Fan PCB No. Once I restarted my computer my two case fans that are plugged into the AIO Pump fan header are no longer adjusting to the speed that I set them at. I bought Gigabyte B450 I AORUS PRO WIFI ITX and Corsair H80i V2.

In addition, the two fans need to be plugged into the same type of fan header. And the two fans into the CPU FAN/CPU OPT headers. 3 =>(6) 140mm Case Fans.

A better option would be splitter cables for the normal case fan headers. 86 List List Price $28.24 $ 28. The issue could be your fan, motherboard or power supply unit.

They have following pin configuration. On most boards only the CPU and opt cpu fan headers are PWM. It's powering off of the CPU_OPT header alone.

Thermaltake Commander FX review vs PWM Y-splitter - How many fans can you add to each fan header?. 1 CPU Opt Header => Pump No. Four Radiator Fans via Y-Splitters:.

You can use the methods below to tell where the problem is. I would say try your pump on that header rather than a fan and keep the fans connected to the system fan headers. Of course you would be controlling speed in groups this way.

You can use the PSU, case/chassis or GPU fan header. So if you have two 3 pin fans just get a 3 pin fan splitter and plug them both into the case fan header. Yes, ALL the headers on this motherboard are 4pin PWM.

I connected the 4-pin to CPU_OPT and in BIOS it shows rpm on CPU_FAN. Your header is likely rated for one amp. The reason many higher end boards have those;.

The only problem you may run into is the configuration of fan speed for that fan header in the motherboard's bios. Thanks Martin as I ended my last comment w/ an Addendum, I couldn't see using something as convoluted as that on the CPU fans either, and figured out how to use the hub. There are 4 CHA_FAN headers.

In my case, my CPU fan is the only 4-pin fan in my computer, and my motherboard doesn’t support voltage control for my 3-pin fans. It makes more noise than my old Antec Tri-Cool, that was set to Low. A three wire fan connecting to a four pin fan header:.

The power cable for the hub is not connected. Try an alternate CPU fan header. The four wire connectors are for processor fans with higher power consumption.

The three wire connectors are for small chassis fans with lower power consumption. Your motherboard has a header for PUMP and CPU FAN / CPU OPT. Connect one adapter to CPU Fan 1 and the other adapter to CPU Fan 2.

But I’m going to rename the other fans anyway, and remove sensors that aren’t attached to a fan—just so I can keep track of which ones are which. CPU_FAN SYS_FAN1 SYS_FAN2 PWR_FAN NB_FAN The CPU_FAN and SYS_FAN2 are 4-pin headers. I just checked my rig and I have the fans on the top of my case connected to a cpu fan connector.

The CPU header will likely be labelled "CPU Fan," but if it isn't, it's still easy to spot with its three holes for the fan's three-pronged plug. Feb , 17 @ 9:34am Yes of course. A typical 140mm 1250 rpm case fan is rated for about 0.14 amps.

Similarly with the other AIDA64 system fan designations.