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Diffrent PWM fan on same pwm port

ch4os
Level 7
Hello everyone. i have a small question, can i run a 5 port PWM splitter+molex for power to run different fans with different speeds? just thinking since it had the individual PWM chip in all fans or will it confuse bios? perhaps fan xpert2 can do something about the fans if i use the 12V on-board since RIVEB has 8 12v fan ports but just two PWN ports (all fans i have at the moment are PWM and i assumed there where more PWM ports on the board)
i have posted a similar question together with my "New Build" thread but i thought instead of scrapping that post with all the pictures ill put up a new one with the hopes someone that knows can replay. Thanks for reading my bad English.

I'm not actually double posting more definition to this question 😉

Asus Rampage IV Black Edition/AC4 - Intel i7 4930K Hexa Core - NZXT H440W Black/Red - Corsair Hydro H100i (Push/Pull)
32GB Corsair Dominator Platinum DDR3 2133MHz CL9 4x8GB - Corsair DOMINATOR Platinum Series Light Bar kit
Corsair 1000W RM Series - ASUS GeForce STRIX GTX 780 6GB - 2x Samsung SSD 840 EVO 250GB
4x Western Digital RED 3TB -
4x Noctua NF-F12-PWM - 4x Noctua NF-S12B-PWM Redux 1200 - Noctua NF-A14iPPC-3000 PWM
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3 REPLIES 3

kkn
Level 14
1 fan header = MAX 1 amp, dont go abow that.
you only get 1 speed on the "fan/fans" you connect to that fan header.
if you want to controll the fans i would recommend a fan controller TBH.
that way you can turn up or down on the fly.

Arne_Saknussemm
Level 40
If you are powering the fans from a different source then sure you can use the header for the PWM function on various fans; but the fans have to be the same type of fan of course and will all run at the same speed...you can't adjust individually...

As kkn says you want a fan controller for that sort of functionality...

ch4os
Level 7
Hello again.
Just a tiny note, the fas will get power from a molex and not the port itself

Asus Rampage IV Black Edition/AC4 - Intel i7 4930K Hexa Core - NZXT H440W Black/Red - Corsair Hydro H100i (Push/Pull)
32GB Corsair Dominator Platinum DDR3 2133MHz CL9 4x8GB - Corsair DOMINATOR Platinum Series Light Bar kit
Corsair 1000W RM Series - ASUS GeForce STRIX GTX 780 6GB - 2x Samsung SSD 840 EVO 250GB
4x Western Digital RED 3TB -
4x Noctua NF-F12-PWM - 4x Noctua NF-S12B-PWM Redux 1200 - Noctua NF-A14iPPC-3000 PWM