Which PSU to use...

linkin

VIP Member
I have two psu's:

a 400w one with 15 amps on 12v rail
a 300w one with 22.5 amps on 12v rail

Which should i use in my new pc? Neither have PCI-E power cables but i can get an adapter. I wont be SLI'ing or CF'ing anything and I wont be overclocking.
No LED's or cathodes in the case either.

I plan to be using a GeForce 9600gt or Radeon HD 4650
Should I just get a new PSU wiht PCI-E cables or will one of mine do fine?
 
NVidia recommends around 26A on the 12V rail for it to run smoothly but according to this site

http://www.gpureview.com/show_cards.php?card1=557&card2=

it only uses 8A. I would much rather just buy a new PSU and have peace of mind. You don't want to stress a PSU either, it's better to get too big of a one and not have it fully loaded all the time. You can probably find a nice one for $40.

you are right, but not $40 australian money, that is about $25-30 US money, so that would be a massive waste of time even at power that low
 
Looks like i'll use the 300w one. better amps and its new.
molex to PCI-E cables it is.
Thanks for the info on the 9600gt, but what about the radeon 4650?
 
Looks like i'll use the 300w one. better amps and its new.
molex to PCI-E cables it is.
Thanks for the info on the 9600gt, but what about the radeon 4650?
What manufacture is the power supply? Amps and wattage arent all that matter. Plus with that amerpage on the +12v rail, sounds more like rubbage specs that some chinese company decided to put on the label...
 
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What kind of Power Supply is the 300W? I find it hard to believe that a 300W Supply could have 22/23 amps on the 12V rail.
 
You do not need an 860W PSU to power a 9400GT. Depending on the rest of your system, I wouldn't even upgrade the PSU if you're just going to throw a 9400GT in there.
 
well, it is a quality psu, that i know. the person i got it from had many more that were exactly the same.
I will be getting a new psu anyway.
 
mate, show me the specs, and i will show you how either of those POS's are POS's. lol quality LOOOOOOOOOOOOOOOOOOOOOOOOLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL
 
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