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PSU's For Crunchers ??

Discussion in 'World Community Grid (WCG)' started by oily_17, May 4, 2009.

  1. oily_17

    oily_17

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    I am looking for some input on a good PSU to run my crunching rigs with.

    The rig's will mainly be-
    Q6600
    maybe a low end GPU (9600GSO or something)
    and the usual HDD,fans etc

    So I would like to get a couple of PSU's for my rigs and would like some idea's.

    Would like 80%+ efficiency if possible and probably ~400W

    So any thoughts, throw them out here :)

    EDIT: And another thought, reliability would be good as well :)
     
    Last edited: May 4, 2009
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  2. Baleful

    Baleful New Member

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  3. oily_17

    oily_17

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    Like the cheap case ;)

    Do you know if that PSU is 80+% efficient ??

    I want to keep the power bills down as much as possible.

    Anyone heard of Powercool PSU's before ??

    EDIT:I see it is 70%+ efficiency...but will keep in mind.
     
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  4. Baleful

    Baleful New Member

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    The 80% efficiency rating on PSU's won't make a difference in the amount of electricty consumed. I could be wrong on this, but if you take and compare two PSU's, one being 70% efficient, the other being 80% efficient, your rig will consume the same amount of electricity on both PSU's. The 80% efficient PSU just handles it's power better.
     
  5. oily_17

    oily_17

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    Ahh I thought with it handling it's power better that you then used less draw at the wall.

    I am clueless on this :), so cant hurt to try and learn more on this subject.
     
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  6. Baleful

    Baleful New Member

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    I could be totally wrong here, I don't think I am but the possibility is there :p

    From the way I understand it is, your machine consumes XX amount of electricity. Whether you have a PSU that is 90% efficient, or 60% efficient, you still consume XX amount of electricity. However, the 90%/80% just handles it's rails/load much better than the others.
     
  7. Flyordie

    Flyordie New Member

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    If its just a Q6600...
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817151057
    Cause i like quality stuffz.
    --------
    Efficiency... lol.
    You machine uses 300W.
    Your PSU is rated at 85% efficiency.
    Add 15% of 300W to the total to get the draw from the wall.
    ---
    Your machine uses 300W.
    Your PSU is rated at 70% Efficiency.
    Add 30% of 300W to get the total draw from the wall.

    Thats efficiency.
     
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  8. oily_17

    oily_17

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    So really the 80+ would only help if your system was nearing the limit of the PSU, it would be able to handle the load better than one with less efficiency.
     
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  9. oily_17

    oily_17

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    Last edited: May 4, 2009
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  10. Baleful

    Baleful New Member

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    Exactly.
     
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  11. 4x4n

    4x4n Xtreme Refugee

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    One of the best psu's for the price is the Antec EW 500. They can be had for around $50 bucks. I am using 2 of them with Q6600's and 8800GT's running 24/7.
     
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  12. oily_17

    oily_17

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    Thanks 4x4n, will take a look at those as well.

    All seem to be around the £50/$75 mark for these PSU's :(
     
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  13. silkstone

    silkstone

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    You kindof correct. The "system"will consume more electricity due to 10% of the energy being wasted. But the components will consume the same amount of electricity.

    I don;t know if you'd be able to find them where you are, but i'd recommend AcBel PSU's. They have 80% efficiency models and are generally cheaper than most big name brands

    Usually the "Efficency" of electrical components is talking about Electricity in vs. out. ex: 1000w in 800w out would be 80% efficient.
     
  14. oily_17

    oily_17

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    Never heard of AcBel before.

    And they dont seem very popular here, as there are very few for sale that I see.
     
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  15. silkstone

    silkstone

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    They are an oem manufacturer. They only make PSU and they make them for the big-brands who label them. Usually cost about 70% of the price for the same product.

    http://www.compucon.com.au/acbel/acbel.htm - Here's a linky
     
    Last edited: May 4, 2009
  16. oily_17

    oily_17

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    Any I can find are IBM/AcBel models but only very few and 100-200W models.

    But thanks anyway.
     
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  17. silkstone

    silkstone

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    No worries, they aren;t that widespread. I'm guessing they're easier to find in asia as this is where they are based.
     
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  18. FordGT90Concept

    FordGT90Concept "I go fast!1!11!1!"

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    If I were you, I'd pick up an Enermax MODU82+ 525w ($90 after mail-in-rebate). Once you go modular, you don't go back. ;)
     
    Last edited: May 4, 2009
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  19. oily_17

    oily_17

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    I have two Enermax PSU's, just not the new ones, and love them.

    Only thing that PSU is £80/$120 here in the UK...damn ...wish we could order from the egg

    EDIT: For any UK readers, Enermax's RMA is amazing..they had my new PSU out to me within 5 days of me sending mine off :)
     
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  20. alucasa

    alucasa

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    Another vote for Antec. With Q6600, 350w one should be fine with just a 9600GSO. We aren't talking about main rigs or anything big, so better get the cheapest while maintaining efficiency.
     
  21. oily_17

    oily_17

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    Well I just snagged a Coolermaster 460W for £25, will do for just a cruncher rig :rockout:

    +1 on the Antec's, running a 850W Signature range on one of my main rigs and really like it.

    Now to see if I can get any other good deals out there :)

    Thanks for all the help guy's, keeping an eye out for all the ones mentioned.
     
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