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Quiet PC?

Discussion in 'Desktop & Laptop Computers Forum' started by petrolhead, Jan 9, 2005.

  1. petrolhead

    petrolhead
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    I am wanting to make my PC quieter.

    I am told the best CPU Cooler is the Zalman CNPS7700

    But what about the power supply and Graphics card

    I currently have an Antec case with what is supposed to be a quiet fan but thats not the case.

    Can't afford and Fanless power suppky but would like a suggestion as to the quietest
     
  2. imh

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    Hi, I've recently bought a few components from quietpc; a case fan and a Zalman CPU cooler; both made a huge difference so I trust their judgement...
    Here is their PSU page Quietpc PSUs

    Hope that helps
     
  3. explicitlyrics

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    yup, i found quietpc great. Two comments, the hard drive enclosure made my hard drives get extremely hot (70degrees) so beware of those if they still sell them. Also I found the case fan I bought the noisiest component in my PC, I have since added a noisier one to cool the hard drives so its not that big a deal. The decibel ratings are accurate :)
     
  4. JohnS

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    The problem with a fanless psu is that you then have to have an exhaust fan to remove the air from around the psu, if you choose a psu with a 120mm fan such as a seisonic or nexus, around £50, they will both help pull the air away (albeit throught he psu but that doesn't seem to matter too much). The less total fans the lower the noise floor.

    The Zalman cooler is good but the thermalright xp120 is better, see http://www.silentpcreview.com/article209-page1.html for a detailed comparison.

    What processor and graphics card are you trying to cool?
     
  5. petrolhead

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    Hi John

    Thought you would slope along at some point :)

    Good question

    I am running at 3.4 P4 775 and the Nvidia 6500gt
    The PC is not overstretched ie I don't play games, just office work, surfin and from time to time video editing

    Thanks IMH but you don't state wich one you got
     
  6. JohnS

    JohnS
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    I've got a 350w nexus in my htpc but also have a seisonic 300w in one of my desks (the quiet pc thing is spreading through the house, once you get used to the quiet you need it :) ).

    My htpc is a 2.6 p4 northwood running at 3.13 with a thermalright sp94 (the xp120 predecessor) and runs very cool, no case fans at all. Used to have a 9600 fanless but have just swopped to a 6600gt and added the new zalman cooler to restore peace.

    For you intel 775, I dont think the xp120 fits yet so you'll have to use the Zalman.
     
  7. petrolhead

    petrolhead
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    Have read the article and yes I would agree John you are correct.
     
  8. petrolhead

    petrolhead
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    I was going to say that but then checked on the Thermalright web site and followed a link to http://www.overclock.co.uk/customer/product.php?productid=17955 Only £3

    Now its just a case of finding a good 120mm fan. They used the Globe fan but the only place I can find one is in france

    Just a thought but instead of replacing the PSU could I not replace the fan with a quiester one? Which one tho as this justs exhausts at the back or am I trying to be chbeap and shoould just replace the PSU?
     
  9. JohnS

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    The benefit of changing the psu is that a 120mm fan exhausts air from the cpu area better, it mans the cpu fan wont have to work quite so hard, if you have a fan on the back it will only be an 80mm so will be noisier for the same airflow.

    What psu is it, the standard Antec?
     
  10. petrolhead

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    PS Which Zalman Graphics cooler
     
  11. Fe+

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    is this the antec sonata you have ?

    I am looking at one for my next upgrade and after something quiet and cool
     
  12. petrolhead

    petrolhead
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    Yes the 'true 350'
     
  13. petrolhead

    petrolhead
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    Fe+ Yes, its the sonata
     
  14. JohnS

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    The Antec PSU is one of the better 80mm variants, I'd be inclined to change the cpu and vga fan first and see where your at, I've got a 2.8 prescott in another machine and the stock fan was very loud compared to the 2.6 Northwood running at 2.87. The Prescott line definitly need servere cooling.

    The vga cooler I have is http://www.kustompcs.co.uk/acatalog/info_2844.html

    I have swapped fans in a psu before, it was a shallow desktop case that used a non-atx psu so we didn'y have much choice, it worked ok but its not upto the improvement you get from a 120mm based variant.

    My desktop machine is housed in a Nexus Breeze which uses a 120mm intake fan at the bottom of the case and a Nexus 120 psu at the top with insulated sides etc, similar to your antec.
     
  15. petrolhead

    petrolhead
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  16. petrolhead

    petrolhead
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    One thought

    If I go the Thermalright route how will i control the fan speed, thro the mobo or the PSU. The Zalman for instance has a rehostate (spelling)
     
  17. JohnS

    JohnS
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    Yes, the psu is not the very quietest but is "up there", its one I have two of and represents decent value/noise performance.

    The vga I have and the XP120 is the one I would buy today if I was in the market.
     
  18. JohnS

    JohnS
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    My existing Thermalright with an sp94 and 92mm papst runs off of a mothorboard header, through a Zalman fanmate on the slowest setting. You coiuld just run the fan at 5v but the fanmate gives you a chance to vary the speed according to your requirements.

    Just as an aside some mobo manufacturers dont recommend running 120mm fans from the mobo header, I think its something to do with the amps required to get the fan spinning although I have some in my server with no problems.
     
  19. petrolhead

    petrolhead
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  20. petrolhead

    petrolhead
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  21. JohnS

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    My Seisonic is the 300w model, not the 400w one that you linked, in the real world I think there is little to choose between them. I bought the Nexus for my HTPC because I had convinced myself (un-necessarily) that the 300w wasn't coping.

    My setup is currently quieter than the Sony HS10 in the same room and that is rated at 23db.

    I understand your concern, I put the 2.8 prescott in my desktop breifly but it was much much louder than the overclocked 2.6 northwood so I relegated it to a machine in the garage now running xlobby/multiroom-music, so the noise is unimportant, both used the retail hsf but the prescott needed a much higher fanspeed to keep it cool (the mobo controls the fans in my dektop).
     
  22. JohnS

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    Didn't see the other post....

    The 80mm might be quieter at 12v but if you slow them both to the same noise the 120mm will move more air, moving the same amount of air a 120mmm is normally quietest.
     
  23. petrolhead

    petrolhead
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    Yes, been reading some more and the consencious is either Nexis or Seasonic getting slighter better marks

    Also seems that Nexis fans get top marks

    Off to play with my new All in one Jamo system

    As always been great chatting to u=you John, you have been most helpfull

    Peter
     
  24. JohnS

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    Let me know how you get on with whatever you pick.

    Cheers
     
  25. petrolhead

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    Will do
     
  26. petrolhead

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