Need help choosing a new power supply

Cyberpower / Gamer ultra 7201
July 2, 2009 at 10:25:10
Specs: Windows Vista
I've been running a Athlon 64 X2 6000+ ,4GB DDR2, 500GB, NVIDIA GeForce 9500 GT pc for the past 7 or so months and it came with a 420w power supply that has failed on me. I found the PSU on newegg and was surprised that lasted me as much as it did for being a $20 unit. I have plans of adding another hard drive and another 9500gt in the future and would like help choosing a new PSU. How many watts should I look for? How many 12v rails? How much amperage on rails? etc. I have no clue how to choose a new PSU that would work with my pc plans and would greatly appreciate any help.

Heres a link to the PSU that my pc came with and lasted 7 months w/ :

Heres a link to my pc just in case there are other specs that need to be taken into consideration when choosing a new PSU:

Feel free to post reccomendations

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July 2, 2009 at 11:09:06
I would go for a Corsair 550W. Corsair is very decent and reliable in their power supplies. Jam, a guru here on CN has said that 1 12V rail is better than 2 or 3 (I think it was him that said that).

WinSimple Software
CompTIA A+ Certified

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July 2, 2009 at 11:19:53
Rayburn is right; that's a good choice for a psu.

1, A single +12v rail of 41a will handle about anything; no frustration trying to balance the load on multiple +12v rails.
2. The wiring is not modular; fewer connctions that can degrade over time.
3. It's just a good psu.


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July 2, 2009 at 11:32:00
You're very lucky you didn't fry any other components. The PSU is the most important piece of hardware in the system...also the most overlooked.

"How many watts should I look for?"

400W or better.

"How many 12v rails?"


"How much amperage on rails?"

At least 30A on the +12v. +3.3v & +5v should be less than 30A. Here's a cheap low cost Corsair 400W:

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