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psu help

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  • 21-02-2010 5:41pm
    #1
    massy086
    Registered Users Posts: 2,845 ✭✭✭


    hi a friend is going to be building his new pc this week but he needs a psu i was looking at this http://www.komplett.ie/k/ki.aspx?sku=338686 and this http://www.komplett.ie/k/ki.aspx?sku=350470 im liking the coolmaster because its modular and 520 but i know corsair are great . i use the 620 modular in my rig. his set up will be i5. the rig will be overclocked witch im sure will mater any help choosing will be great cheers

    mobo gigabite ud3

    cpu i5

    gpu hd5770

    ram 4gig ocz ddr3 1333mhz

    hydro h 50

    case antec 1200


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    #2
    massy086
    Registered Users Posts: 2,845 ✭✭✭massy086


    hmm im not sur hopefully someone can answer this for me


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    #3
    Deano12345
    Registered Users Posts: 1,594 ✭✭✭Deano12345


    massy086 wrote: »
    hmm im not sur hopefully someone can answer this for me

    The VX450 should be fine.The 5770 only sips power.Just make sure it comes with the right connectors.

    There's defiantly enough power in the VX450,I ran my setup off a HX450 for about a month no problems,and a Q9550 + 4890 is ALOT more power hungry than an i5 + 5770


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    #4
    massy086
    Registered Users Posts: 2,845 ✭✭✭massy086


    any thought,s on the coolmaster psu deano


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    #5
    Solitaire
    Moderators, Technology & Internet Moderators Posts: 18,377 Mod ✭✭✭✭Solitaire


    AFAIK they're high-end (which is good) AcBel units (which... isn't so good). On balance they're okay but only the Enhance-based Real Power units (nearer the 1kW mark) are much cop. The Corsairs are probably better.


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    #6
    massy086
    Registered Users Posts: 2,845 ✭✭✭massy086


    will the corsair 450 be enough to overclock with power wise


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    #7
    cherryghost
    Moderators, Technology & Internet Moderators Posts: 17,134 Mod ✭✭✭✭cherryghost


    massy086 wrote: »
    will the corsair 450 be enough to overclock with power wise

    definately yes, without a doubt. theres plenty of juice left over. the i5 and 5770 are real power savers.


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    #8
    massy086
    Registered Users Posts: 2,845 ✭✭✭massy086


    cheers for that cherrygost


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    #9
    Solitaire
    Moderators, Technology & Internet Moderators Posts: 18,377 Mod ✭✭✭✭Solitaire


    Should be unless its extreme stuff. A VX450 can produce 396W (33A) on the 12V rail. An i5-750 need an absolute max of 95W under Turbo and a HD5770 will have trouble hitting 80W under FurMark, and won't usually exceed ~60W under full 3D load unless its Crysis :rolleyes: You wouldn't expect the system to creep much past the 150W mark when gaming or 200W when under severe CPU+3D load.

    Of course we're really gunning to keep the system around ~225W when gaming for maximum peak-load PSU efficiency but as that value is closer to 150W on average there's tons of room for an OC in there ;)


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