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PSU Fan Speed control ?

Discussion in 'Hardware' started by Denjin, Dec 29, 2016.

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  1. Denjin

    Denjin Thread Starter

    Joined:
    Sep 13, 2013
    Messages:
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    Hello all,i recently bought a new PSU and so far it seems to do the job quite well,however when i run certain more demanding games like The Witcher 3 and the PSU itself goes into high load,the fan makes quite a lot of noise.

    Most reviews i saw online about the PSU seem to say it's not loud at all,and granted it's not loud while in idle.The question is, is it possible to somewhow lower the PSU fan speed ? The sound it makes is similar to a cheap office fan,however as i said,while in idle it's dead silent.

    PSU : seasonic M12II-620 EVO Edition

    PC specs :

    - FX 8350
    - G1 Gigabyte 1070
    - 1 x HDD
    - 990xa-ud3 MB
    - 16 gb ram hyperx savage
    - 4 x case fans
     
  2. Macboatmaster

    Macboatmaster Trusted Advisor Spam Fighter

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    It should not make the excessive noise you describe
    Indeed even with the fan running it should be very quiet as it is a fluid type fan bearing, far quieter than a simple sleeve bearing as found on cheaper PSU`s or indeed quieter than a standard ball bearing

    Are you sure you have it mounted correctly
    http://seasonic.com/position-power-supply/

    I will check the base requirements of your system on the info I have and post back. If you have bought the minimum PSU wattage then you should not have done so
    For instance minimum system requirements 600 watt always buy next up eg 700/750 watt

    Although the PSU meets the based requirements of the system 125watt CPU and 150 watt graphics, the recommended psu for the card being 500 watt that of course does not take account of other components - hard drives etc OR indeed OC

    See this
    Seasonic recommend it for office use and causal gaming
    https://seasonic.com/product-category/consumer-products/m12ii-evo-series/
    use lower left pane for selecting heavy gaming
     
    Last edited: Dec 29, 2016
  3. Denjin

    Denjin Thread Starter

    Joined:
    Sep 13, 2013
    Messages:
    48
    Thank you for the reply, i have found out that the cooler within the PSU itself is a 2 pin connected fan.

    Would it be a good choice to totally replace the fan itself with a more silent one,for example a noctua model ?

    EDIT : Yes ,it is mounted properly.I use the 2.2 version that is previewed at the seasonic page.

    This :
    Case with ventilation holes on the bottom
    If your computer case is featured with ventilation holes and a dust filter on the bottom, it is recommended to mount the power supply with its ventilation top cover facing DOWNWARD. The cool air drawn from the outside of the system will help cool down the power supply, which will in turn ensure that the power supply operates at its utmost efficiency.

    EDIT nr 2 : would a 3 pin fan work on a 2 pin slot ? With 2 pins inserted and 1 not ?
     
  4. Macboatmaster

    Macboatmaster Trusted Advisor Spam Fighter

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    Maybe partly semantics but the description of mounting you post is I thought 2.1 and not 2.2
    Is the PSU top mounted or bottom mounted

    Also please explain this
    I do not understand the PSU fan is integral to the PSU it does not have a separate connection, it is powered and controlled by internal circuitry - as far as I know
     
  5. Denjin

    Denjin Thread Starter

    Joined:
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    Messages:
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    A poor choice of words maybe,my bad. English is not my first language.

    Ok so , the fan in the PSU is connected via a 2 PIN connector, however all CASE fans i can find for sales are connected via a 3 pin connector. Would a 3 pin connector work if i mount it on the 2 pin slot ? ( i know it sounds dumb,but i've read some info on the internet where people claim that the 3 or 4 pin connector fans are just to control speed or show the speed,while the fan itself only needs 2 pins for the power )

    And to answer the question regarding how the PSU is mounted,it's with the fan facing down,i have an opened bottom case,so the fan from the PSU itself can draw fresh air from the bottom of the case.

    "
    Case with ventilation holes on the bottom
    If your computer case is featured with ventilation holes and a dust filter on the bottom, it is recommended to mount the power supply with its ventilation top cover facing DOWNWARD. The cool air drawn from the outside of the system will help cool down the power supply, which will in turn ensure that the power supply operates at its utmost efficiency."
     
  6. Macboatmaster

    Macboatmaster Trusted Advisor Spam Fighter

    Joined:
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    22,542
    You are doing well, as you say English is not your first language
    However I still do not understand
    YOU SAY
    The fan in the psu is connected via a 2 pin connector

    and as I asked - there is NO CONNECTION for the PSU fan on that PSU - it is internal, so which two pin connector are you referring to
     
  7. Denjin

    Denjin Thread Starter

    Joined:
    Sep 13, 2013
    Messages:
    48
    The Fan itself has a female connector ( i think it's called female ) ( two holes, no pins ) [​IMG] and it's connected to the Male slot that's attached to the PSU ( that has two pins ).[​IMG]

    My question really is that ,if i take a case fan that has 3 holes not 2 ,would it work if i connect it to the Male slot inside the PSU ( that has two pins ) ?

    So can this [​IMG] be connected to this [​IMG] ?
     
  8. Macboatmaster

    Macboatmaster Trusted Advisor Spam Fighter

    Joined:
    Jan 14, 2010
    Messages:
    22,542
    I think have FINALLY worked out what you have done
    You have removed the top cover plate from the Seasonic PSU
    and you therefore were at this stage
    see my screenshot
    DSC_9919_S.jpg

    albeit that this is from another model of Seasonic PSU.

    The answer is NO.
    That is a most definite and 100% certain NO
    The problem if there is one, is to be solved NOT by you carrying out experiments with a brand new Seasonic PSU

    If you are convinced that the fan is to noisy then refer the matter to Seasonic before you try any such fixes, at the risk of damaging the PSU to the stage where Seasonic will have no interest whatsoever in helping you, and indeed quite correctly, as they most certainly do not cover their products against people attempting to connect different fans

    Please also provide this information
    Download and save the TSG System Information Utility (SysInfo.exe) to the desktop.
    After it's been downloaded and saved, double-click it to run it.
    Information about your computer will appear.
    Return here to your thread, then copy-and-paste the ENTIRE text here
     
    Last edited: Dec 30, 2016
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