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Can I have more than needed power supply.

Hello everyone.

I almost need a corsair hx520 watt power supply but i am planning to buy a corsiar vx600 watt supply, because i have to replace my psu if i upgrade to a high end graphics card.
some questions

1.Is it safe to have more than needed psu.

2.Is hx series a good psu than the vx series.

thats all my questions.

thanks in advance
10 answers Last reply Best Answer
More about needed power supply
  1. Best answer
    1. You can have as big a PSU as you want If you wanted to put a 1500 watt unit in there because you think you might need all that power one day it will be fine.

    2.As for the different corsair makes hx,vx it dont matter because corsair is a solid PSU no matter which model you get one just comes with a few more bells and whistles. I would defintely get an hx though because its modular and it makes cable management a breeze if thats not something you really care about then get a vx model.
  2. 1. Yes. A computer will only draw as much power as it needs at any given time.
    2. I've not heard anything bad about them.
  3. Yes, we can (you can :P).. Moreover, you should buy bigger, as it's needed (fo future upgrades).
  4. When choosing your psu keep in mind all power using equipment. this includes fans, cold cathodes, front bay devices, etc. If your calculations did not include them then you might want to bump your figures up a tad higher.

    Buying a larger power suppy will not hurt your pc or electricity bill. I am going to buy a 850-1000w to sli-proof my new build when i'm rated at around 520w with only a single gtx470. Future proofing is a good idea1

    I cannot recall hearing anything bad about either psu. Check the reviews on newegg and other sites to help give you a better feel about it. Modular is always a plus as the cables can be rather hard to hide & organize.

    Good Luck!
  5. ssddx said:
    When choosing your psu keep in mind all power using equipment. this includes fans, cold cathodes, front bay devices, etc. If your calculations did not include them then you might want to bump your figures up a tad higher.

    Buying a larger power suppy will not hurt your pc or electricity bill. I am going to buy a 850-1000w to sli-proof my new build when i'm rated at around 520w with only a single gtx470. Future proofing is a good idea1

    I cannot recall hearing anything bad about either psu. Check the reviews on newegg and other sites to help give you a better feel about it. Modular is always a plus as the cables can be rather hard to hide & organize.

    Good Luck!


    Thank you very much,

    if i install a lower psu(because of budget problem) and add another electrical devices how do i know the power supply is insufficient. DO the system shuts down?
  6. ruffandruff said:
    Thank you very much,

    if i install a lower psu(because of budget problem) and add another electrical devices how do i know the power supply is insufficient. DO the system shuts down?

    If you have a cheap PSU and its underpowered for your rig it could blow up and take your whole computer out with it. If you get a quality unit from Antec, Corsair, Seasonic the unit will most likely just shut down when it cant power your system.
  7. ruffandruff said:
    Thank you very much,

    if i install a lower psu(because of budget problem) and add another electrical devices how do i know the power supply is insufficient. DO the system shuts down?

    This is what happens:
    http://www.youtube.com/watch?v=JP8nFQYQW34
  8. saaiello said:
    If you have a cheap PSU and its underpowered for your rig it could blow up and take your whole computer out with it. If you get a quality unit from Antec, Corsair, Seasonic the unit will most likely just shut down when it cant power your system.


    just shut down the computer or the power supply. sorry for asking stupid questions i just want gain knowledge.

    thanks
  9. saaiello said:
    1. You can have as big a PSU as you want If you wanted to put a 1500 watt unit in there because you think you might need all that power one day it will be fine.

    2.As for the different corsair makes hx,vx it dont matter because corsair is a solid PSU no matter which model you get one just comes with a few more bells and whistles. I would defintely get an hx though because its modular and it makes cable management a breeze if thats not something you really care about then get a vx model.


    do the hx and vx from corsiar differ in performence, i mean quality.

    and also which psu you would recommend from corsiar, antec etc

    and also u r excellent in responding. i really apreciate it. going to select u as best answer
  10. Best answer selected by ruffandruff.
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