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Urgent PSU suggestion

HI all i need to buy a PSU widin 2-3days. My specs are :

Phenom2 955BE
Sapphire 6850
1 7200rpm HDD
3USB devices preferably
CoolerMaster Elite430

Ok so my question is how much watts and 12V amps do i really need. And also please suggest some good PSUs. The available ones where i live are:

CoolerMaster ExtremePowerPlus 400,500,600
CoolerMaster GX450
Tagan Stonerock 500watt 600 max
Corsair builder CX400,500,600
FSP bluestorm 500
Seasonic 420,520
Gigabyte 550P
Antec VP450
Iball splinter 500,600

Others are either unavailable(Kolkata,India) or out of my budget (~3.7k).
Thanks in advance :)
19 answers Last reply Best Answer
More about urgent suggestion
  1. SeaSonic S12II 520 -best choice.
    CoolerMaster GX450 - good.
    Both are 80+ Bronze and carry 5yr warranties.
  2. For a system using a single Radeon HD 6850 graphics card AMD specifies a minimum of a 500 Watt or greater power supply. The power supply should also have a combined +12 Volt continuous current rating of 26 Amps or greater and have at least one 6-pin PCI Express supplementary power connector.

    Total Power Supply Wattage is NOT a crucial factor in power supply selection!!! Total Continuous Amperage Available on the +12V Rail(s) is the most important.

    Avoid the Cooler Master eXtreme Power Plus series, they're awful.

    I would also recommend that you avoid the Tagan Stonerock, Gigabyte 550P and Iball splinter.
  3. ok thanks... im trying for the seasonic520. but www.flipkart.com says its out of stock. also i dont know whether local vendors have it or not. (Currently im using zebronics platinum600 which is nt good at all.)
  4. 1 more thing is the CX corsair series good ? mainly that constant ampere thing. Corsair CX costs less and are available everywhere, but if its like the extreme power plus ill avoid it
  5. Of those you listed, Seasonic > Corsair > Antec.
    The CM GX-450 is one of their few that are ok: http://www.hardwaresecrets.com/article/Cooler-Master-GX-450-W-Power-Supply-Review/1234/9 but many of their others have liar labels or claim protections that are missing (and/or are lousy quality); that's dishonest, so they don't deserve anyone's business. The Antec VP450 received an excellent competent technical review: http://www.hardwaresecrets.com/article/Antec-VP450-Power-Supply-Review/1487/11 so if that's the one that fits most comfortably in your budget, it will do nicely.

    Edit: The Corsair CX are fine. The CM "Extreme Power Plus" don't come close on any measure.
  6. Newegg and tigerdirect are oldies but goodies for the system builder. Im a fan of Thermaltake and Enermax power suplies and they may be out of your price range but as I always say, price is not an object when picking the component that can do the most damage if it fails.
  7. avoid the psu below this:
    CoolerMaster ExtremePowerPlus 400,500,600
    CoolerMaster GX450

    horrible ripple in full load condition..

    i don't like corsair GS/builder series either..

    go with it:
    Tagan Stonerock 500watt 600 max
    FSP bluestorm 500
    Seasonic 420,520
    Antec VP450
  8. Here's the conclusion of a very positive review of a Builder: http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story5&reid=239
    In the context of what it is, a very inexpensive PSU for basic builds, it's an excellent unit.
  9. the seasonic 420 and antec VP450 are readily available in local stores... BUT are they enough to power my machine?? im trying the seasonic 520 in the mean time
  10. Best answer
    payneg1 said:
    the seasonic 420 and antec VP450 are readily available in local stores... BUT are they enough to power my machine?? im trying the seasonic 520 in the mean time

    For a system using a single Radeon HD 6850 graphics card AMD specifies a minimum of a 500 Watt or greater power supply. The power supply should also have a combined +12 Volt continuous current rating of 26 Amps or greater and have at least one 6-pin PCI Express supplementary power connector.

    The VP Series 450 watts (VP450), with its combined +12 Volt continuous current rating of 30 Amps and with one 6-pin PCI Express supplementary power connector, is sufficient to power your system configuration with a single Radeon HD 6850.

    The Seasonic S12II-430 Bronze (SS-430GB), with its combined +12 Volt continuous current rating of 30 Amps and with one 6-pin and one (6+2)-pin PCI Express supplementary power connectors, is sufficient to power your system configuration with a single Radeon HD 6850.

    The Seasonic S12II-430 Bronze is better than the Antec VP450.

    If you're planning on overclocking the CPU and/or GPU then I would recommend that you get a little more capacity like what the Seasonic S12II-520 Bronze (SS-520GB) has.
  11. Thanks for the detailed info... :)
  12. Best answer selected by payneg1.
  13. thanks evry1. today i got my seasonic520 :D :D after a hard find. very happy now
  14. payneg1 said:
    thanks evry1. today i got my seasonic520 :D :D after a hard find. very happy now



    Hi

    I am planning to purchase the PSU & THE GPU you did, would you please tell your experience & the place & price from where you bought cause as of now the PSU is not available in Nehru Place, Delhi
  15. am using the seasonic 520.. its not too noisy and till now not a single problem. But too many cables which i dont need so u shud have some cable management
  16. payneg1 said:
    am using the seasonic 520.. its not too noisy and till now not a single problem. But too many cables which i dont need so u shud have some cable management



    What about the store & price
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