Going to buy a new CPU tomorrow Need Help !

I have C2D E4500 and im goin to get the Q9400 , just wanna ask if this psu
" AOpen 500w " is safe to use ?

Graphic Card: HD6850 1GB

+New CPU: CPU: Intel® Core™2 Quad Q9400 2.66 GHz 1333 MHz 6 MB
15 answers Last reply Best Answer
More about going tomorrow
  1. Hello drax99;

    Not happy about that PSU.
    What others do you have available?
  2. Which model of 500W PSU is the one you're looking at?
    The Aopen website is showing 4 different models.
  3. Which model, specifically of PSU do you have. I was just at the AOpen site, and there are a couple of 500W PSUs that have split rails and don't even get 20 Watts on either 12V rail. This would make it unsuitable for use with the 6850. So, specifics are important here.
  4. Aopen is one of those MFGRs that rate PSUs at Max output rather than Continuous output. So a Aopen 500W PSU might actually be a 450W PSU as most other respected PSU makers would label a PSU.
  5. AOpen Prima Plus 500W
    Check this link contain all info about my psu you need:

    With replacing the new CPU will my psu handle a full system load
    Thx in advance :)
  6. Yeah, that PSU is simply not suitable for a new build, no matter how you slice it. Whether it be the connector assortment, or the split, low power 12v rails, it just doesn't cut it.
  7. Aopen Model: Z500-12AE3

    It only has a 4pin Aux CPU power connector. Most boards have both 4pin and 8pin.
    Which does your motherboard have? A 4pin or 8pin socket near the CPU?
  8. Can you calculate the minimum wattage that this new build need !

    RAM: 4GB
    HD6850 1GB

    Im running ( HD 6850 + C2D E400 + 4GB Ram ) with no problems atm with my 500w psu
  9. What model PSU are you using?
    You may have a better one than the one you listed.
  10. Z500-12AE3 the one you listed
  11. OK, I finally realized you already OWN the Z500-12AE3 and aren't looking to buy a new Z500-12AE3.

    Yes, adding the Q9400 CPU will -not- need that much extra power that your PSU will not be able to handle it.
  12. Best answer
    Going by Neweggs PSU calculator, you need 447 W, assuming 1 optical drive and 1 hard drive. I would round up and buy a minimum of a 500W PSU. Here's a couple of recommendations for a good, but budget PSU:

    Antec EarthWatts EA-500D Green 500W ATX12V v2.3 / EPS12V 80 PLUS BRONZE Certified Active PFC Power Supply


    XFX Core Edition PRO550W (P1-550S-XXB9) 550W ATX12V 2.2 & ESP12V 2.91 SLI Ready CrossFire Ready 80 PLUS BRONZE Certified Active PFC Power Supply
  13. Best answer selected by drax99.
  14. Neweggs PSU calculator >>> Our recommended PSU Wattage: 420 W

    My Psu will be fine :)

    Thx guys for help <3
  15. I'm not understanding your last post Drax. Are you saying that you're going to stick with your existing PSU?
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