Gaming Rig enough power???

Alright, I am upgrading my old rig and will end up with the following...

CPU: AMD PhenomII x6@3.0Ghz
GPU: Nvidia GeForce 9800GTX
Mobo: MSI 890FXA-GD70
Mem: 8GB of DDR3 PC3 12800
HD: 2 Seagate Barracuda 7200RPM Drives
FD: 1 DVD RW Drive

Now, my current Logisys PSU is 550W. Will this be enough or should I consider something larger if I plan to overclock everything?
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  1. I found 2 550W logisys PSUs on newegg, both have 25A on the 12V rail which is extremely low for a 550W unit. Most of your power comes from the 12V rail, the PSU calculator suggests a 363W unit, with a minimum of 313W, thats without any OCing. If you are going to be spending that much on a system its almost certainly a good idea to upgrade your PSU to something capable of safely powering all of your hardware. The corsair 550VX provides wayy more power than your 550W unit, but if you intend to run multiple cards in the future you might want to get a 750W unit
  2. +1 for changing the current PSU. and go for those mentioned by hunter :)

    Just an advice if you haven't bought the config yet...
    Buy only 4GB Ram as that much is enough for gaming purposes and the rest 4GB(if you buy) won't give you much of a performance boost...
    So instead of investing on 8Gb DDR3 , invest on a better gfx card. . . :)
  3. I kept the current 550W psu and it had just enough plugs to run my 9800 video card. Obviously, I will have to upgrade the psu if I add another.
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