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What PSU to buy?

  • Power Supplies
  • Graphics Cards
  • Nvidia
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Last response: in Components
August 26, 2009 5:50:14 PM

Hi I recently bought a new Nvidia 9600 GT PCX graphics card for my current system:

AMD Athlon(tm) 64 Procesor 3800+ 2.4GHz
Nvidia Geforce 6100 nForce 405
2814 MB Ram

however I need a new power supply to run it as I only have a crappy 250w and it requires a minimum of 450w

Can anyone recommend a good but not too expensive power supply for me that i can get within the UK?

Also are there any compatibility issues with psu's or can you buy any psu and plug it in to any rig?

Thanks in advance for any replies.

More about : psu buy

a b ) Power supply
August 26, 2009 6:05:54 PM

Corsair CMPSU-400cxuk
As long as you are NOT quoting specs from a Dell system, then any ATX power supply should be compatible. This psu has a 6 pin PCI-E connector for your video card in case you have the higher power version of the 9600 GT. The psu also should have enough other cables for your system as well. It has plenty of power to run what you have at a pretty good price.
August 26, 2009 6:09:23 PM

would that really work? that says 400w.. and my graphics card box clearly says 450w minimum.
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a b ) Power supply
a b U Graphics card
August 26, 2009 6:13:40 PM

whats your budget
August 26, 2009 6:15:31 PM

a b ) Power supply
August 26, 2009 6:24:02 PM

Yeah, it will really work fine, and for years.
Remember, there are cheapo psu boxes out there that say 600 watts.
Look at the amps on the 12v rail. Your system will not use anywhere near that much power. If you had a different motherboard (that supported SLI), you could use a molex --> PCI-E 6 pin adapter for a second videocard and it would still have enough power. For what you have this is a high quality psu that meets you needs at a good price. If you want to spend more money, go to and look at better boxes. Brand for power supplies turns out to be an important factor.
a b ) Power supply
August 26, 2009 6:26:20 PM

All the options obsidian86 listed are good choices. They just cost more.
a c 144 ) Power supply
a b U Graphics card
August 26, 2009 6:28:52 PM

Corsair CMPSU-400cx has 30 amps on the 12 volt rail. That will be plenty. But if you really want to spend more money, get a 450VX. Of course, it has only 3 amps more on the 12 volt rail, but it is a 450 watt PSU.
August 26, 2009 6:33:41 PM

I just wanted to be sure :D  nothing worse then buying something install it to find it doesn't work but you can no longer return it