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How much wattage does my pc need?

Sorry i have already asked this question but i have some new parts

here they are

CPU:i7 2600
GPU: ASUS GTX 770 DirectUll2 OC
RAM: corsair vengeance 2x4gb
Motherboard: medion ms-7728
Harddrive: 1tb nothing special
PSU: this i what i had in mind for psu but not sure if its good : corsair tx750m modular
and rest is all stock fans
21 answers Last reply Best Answer
More about wattage
  1. A decent 550W unit is more than enough.
  2. 550w won't give much OC headroom. Get a decent 600-650w PSU.
  3. Thanatos Telos said:
    550w won't give much OC headroom. Get a decent 600-650w PSU.


    Non-K CPU? Nor does the GTX770 have much more headroom to OC either.
  4. http://www.newegg.com/Product/Product.aspx?Item=N82E16817207023

    XFX P1-750X-XXB9 750W ATX12V 2.2 & ESP12V 2.91 SLI Ready CrossFire Ready 80 PLUS BRONZE Certified Modular Active PFC Power Supply

    + $15 off w/ promo code EMCXNXL25, ends 7/15

    $79.00 for XFX 750w\modular

    + $25.00 mail in rebate card = $54.00 . a steal of a deal.
  5. SR-71 Blackbird said:
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817207023

    XFX P1-750X-XXB9 750W ATX12V 2.2 & ESP12V 2.91 SLI Ready CrossFire Ready 80 PLUS BRONZE Certified Modular Active PFC Power Supply

    + $15 off w/ promo code EMCXNXL25, ends 7/15

    $79.00 for XFX 750w\modular


    I am starting to think you work at Microcenter/Newegg... or own them...
  6. + $25.00 mail in rebate card = $54.00 . a steal of a deal.
  7. 770 already needs a minimum of 500 watt

    and blackbird i am EU so i cant order anything from newegg
  8. PCPartPicker part list / Price breakdown by merchant / Benchmarks

    Power Supply: XFX 850W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply (£79.99 @ Amazon UK)
    Total: £79.99
    (Prices include shipping, taxes, and discounts when available.)
    (Generated by PCPartPicker 2013-07-13 17:54 BST+0100)
  9. dirtyninja said:
    770 already needs a minimum of 500 watt

    and blackbird i am EU so i cant order anything from newegg


    The recommended PSU for a TOTAL system with a GTX770 is 500W. Yet it draws much much lees than that.
  10. Novuake said:
    dirtyninja said:
    770 already needs a minimum of 500 watt

    and blackbird i am EU so i cant order anything from newegg


    The recommended PSU for a TOTAL system with a GTX770 is 500W. Yet it draws much much lees than that.


    didnt know that :/ i am a noob with computers
  11. SR-71 Blackbird said:
    PCPartPicker part list / Price breakdown by merchant / Benchmarks

    Power Supply: XFX 850W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply (£79.99 @ Amazon UK)
    Total: £79.99
    (Prices include shipping, taxes, and discounts when available.)
    (Generated by PCPartPicker 2013-07-13 17:54 BST+0100)


    850w not a bit too much?
  12. Good for future upgrades.
  13. SR-71 Blackbird said:
    Good for future upgrades.


    i am not gone upgrade after this in a long while
  14. http://www.amazon.co.uk/XFX-P1-550S-XXB9-PRO550W-Edition-Supply/dp/B004RJ8EKI/ref=sr_1_1?ie=UTF8&qid=1373746272&sr=8-1&keywords=xfx+550w

    XFX P1-550S-XXB9 PRO550W Core Edition Power Supply

    £52.48
  15. SR-71 Blackbird said:
    http://www.amazon.co.uk/XFX-P1-550S-XXB9-PRO550W-Edition-Supply/dp/B004RJ8EKI/ref=sr_1_1?ie=UTF8&qid=1373746272&sr=8-1&keywords=xfx+550w

    XFX P1-550S-XXB9 PRO550W Core Edition Power Supply

    £52.48


    is 550w enough? i used a power calculator and it said 750w and also can you recommend a good Modular powersupply i like them more
  16. Best answer
    http://www.amazon.co.uk/Seasonic-M12II-620-Semi-Module-620W-ATX12V-Supply/dp/B003BIEOBY/ref=sr_1_24?s=computers&ie=UTF8&qid=1373829841&sr=1-24&keywords=seasonic+psu

    Seasonic M12II-620 Semi-Module 620W ATX12V Power Supply Unit - bronze
  17. SR-71 Blackbird said:
    http://www.amazon.co.uk/Seasonic-M12II-620-Semi-Module-620W-ATX12V-Supply/dp/B003BIEOBY/ref=sr_1_24?s=computers&ie=UTF8&qid=1373829841&sr=1-24&keywords=seasonic+psu

    Seasonic M12II-620 Semi-Module 620W ATX12V Power Supply Unit - bronze
    sorry for the late reaction but do i need a more watt if i change from the asus gtx 770 to gigabyte gtx 770
  18. I would go to the 620 i linked to give you some headroom ^
  19. Don't forget to choose a Best Solution when opening a question thread , the forum members will appreciate that.Thanks for posting on the forum.
  20. SR-71 Blackbird said:
    Don't forget to choose a Best Solution when opening a question thread , the forum members will appreciate that.Thanks for posting on the forum.

    ok last question can you link me a 600 watt power supply that is modular on amazon.com "com" i gone buy from amerikan amazon because its cheaper thanks for helping me this much
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