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Thread: Is 520Watt HX520 Corsair enough for I7 build?

  1. #1
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    Is 520Watt HX520 Corsair enough for I7 build?

    OK so I have a Corsair HX520Watt power supply(i remember i payed big bucks for this).

    Is this going to be enough for an i7 system + a Geforce 275GTX (or similar card), 1 Solid state drive and 1 or 2 sata HDs, and dvd drive?

    Also I am overclocking .
    Is it enough?

    Thanks

  2. #2
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    I got rid of mine.

    Although I always found it to be a solid PSU, once you're running a power hungry set up, the fan runs consistantly higher and was too noisy for me.

    Thats not to say the one I have now is (by any means) silent!
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  3. #3
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    I have the HX520W and the GTX 275 in my 2nd rig and it works just fine. If you heavily OC your CPU then you might consider getting another, who knows if you might throw another GTX 275 in there for SLI as it's getting cheaper now.

    CPU: Core i7-2600K@4.8Ghz Mobo: Asus Sabertooth P67 Case: Corsair 700D w/ 800D window
    CPU Cooler:
    Corsair H70 w/ 2 GTs AP-15 GPU: 2xGigabyte GTX 670 WindForce OC SLI
    RAM: 2x8GB G.Skill Ripjaws PSU: Corsair AX850W Sound card: Asus Xonar DX + Fiio E9
    HDD:
    Crucial M4 128GB + 4TB HDD Display: 3x30" Dell UltraSharp 3007WFP-HC
    Speakers: Logitech Z-5500 Headphone: Sennheiser HD650

  4. #4
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    I'd get another one. I think it would be barely enough. PSU efficiency degrades over time as well, remember that.
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    Quote Originally Posted by jayhall0315 View Post
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  5. #5
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    Alright guys, thx for replies
    I agree with you all

    its better to have more overhead then run a 520Watt PSU at full load almost constantly.

    I am going to go with either HX750 or TX750
    or the 850, depending on price.

    Is it worth it to go HX series again? I took my 520HX cuz I knew i was going to overclock a lot, (had 4.4Ghz E8500 running for a year at 1.4V)

  6. #6
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    Go with the HX850 if you can, I believe besides the modular thing it has better efficiency so once again, if you can afford it then go for it. Otherwise either a TX750 or HX850 should suit all your needs depend on how many video cards you run in the long term.

    CPU: Core i7-2600K@4.8Ghz Mobo: Asus Sabertooth P67 Case: Corsair 700D w/ 800D window
    CPU Cooler:
    Corsair H70 w/ 2 GTs AP-15 GPU: 2xGigabyte GTX 670 WindForce OC SLI
    RAM: 2x8GB G.Skill Ripjaws PSU: Corsair AX850W Sound card: Asus Xonar DX + Fiio E9
    HDD:
    Crucial M4 128GB + 4TB HDD Display: 3x30" Dell UltraSharp 3007WFP-HC
    Speakers: Logitech Z-5500 Headphone: Sennheiser HD650

  7. #7
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    For what it's worth, my own rig:

    i7 920 D0 @ 4.4GHz/1.35Vcore
    GTX280 @ 700 Core
    2 HDD's
    4 water pumps
    15 fans

    While running OCCT's PSU stresser (Linpack+GPU stresser), power consumption from the wall peaks at 660W. Factoring in the 80% efficiency that my Ultra X3 1000 has been shown to have, the rig itself is demanding about 530 watts. Considering that this is a worst-case scenario under a pretty strong overclock, and that most overclockers are generally happy with 4.0-4.2GHz on their 920's, and that the GTX275 isn't nearly as power hungry as my GTX280, and that almost 100W of this can be attributed to the pumps and fans... you'd probably be just fine with that HX520. If you wanted a little headroom in the long-run, a 650 or 750W unit will be plenty.
    i7 2600K | ASUS Maximus IV GENE-Z | GTX Titan | Corsair DDR3-2133

  8. #8
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    If you going with a single card setup the 650tx would be fine .. anything more and I'd grab a 750tx ... and if you want even more later on, or just the head room the 850 would be good.

    I'm running the 650tx and it's awesome so far .. but I'll never use more than a single card .. well i say that now ;d

  9. #9
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    As an alternative, and a very good one btw, the Antec True Power New 750W is on sale at Newegg for $99.99 shipped....down by almost $60 from normal retail prices, and it tested out as good as any of Corsair's TX line, at least. Don't think that for $100 you'd do any better at all.

    http://www.newegg.com/Product/Produc...82E16817371025

  10. #10
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    Well I am in canada and newegg.COM doesnt ship to canada. No sale on the canadian website.

    But anyway, I am getting this::
    http://www.canadacomputers.com/index...09&cid=PSU.532

  11. #11
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    Quote Originally Posted by misho View Post
    Well I am in canada and newegg.COM doesnt ship to canada. No sale on the canadian website.

    But anyway, I am getting this::
    http://www.canadacomputers.com/index...09&cid=PSU.532

    Sorry, didn't know. DUH! And I'm honestly surprised Newegg.ca doesn't have the same sale as the U.S. site does....tragic, really.

    But, good choice with what you've picked.

  12. #12
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    good choice
    duno if you might like the 'hx' version
    Last edited by xman01; 08-31-2009 at 06:16 AM.
    Rig1 Asus Maximus VI Hero, i7 4770K@4000, 32GB Ballistix VLP 1600Mhz, Gigabyte GTX 970, X-Fi Titanium Champ. Edit., Corsair HX-850, SSDs 384GB, 6 TB HDDs, CM 912HAF, Noctua NH D-14
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  13. #13
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    OK so guys i went with the TX750 and so far so good

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