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ATI 4870 + 460w PSU

I'm guessing your PSU is the Akasa Ultra Quiet 460W Paxpower since the one I have is the blue LED one which is no longer in stock here at OcUK.

Although it may not help much, but I'm running the lower end ATI 4830, along with a Asrock 4CoreDual-SATA2 with a Q6600 and 2GB OCZ DDR2 and it seems to be running stable. BIOS reports the +12V rail from 11.9-12.05 whilst SpeedFan reports it as 11.25-11.37 which is slightly worrying. But again everything seems to be fine.

I guess you may be able to run the 4870, its just you may be stretching it abit depending on the rest of your hardware.
 
i had the same situation as you, when i got mysef a 4870, i had 480W and changged my PSU to 580W...

you need atleast good 500W like Corsair. Enermax.

change your PSU as it is very important part of PC!
 
mmm might go for a 4850 then, dont really want to have to upgrade PSU.

I guess that would still be a nice upgrade from my 8800GTS 640mb? Gaming @1680x1050.
 
yes, it will be a nicer card,but 4870 is more futureproof... and i still think you need to upgrade PSU!

can you give a link of your PSU?
 
my pc uses about 350W when folding (1cpu and 1 GPU, 50% load on CPU constant)

4870
[email protected] (1.31 V bios)
4x1GB DDR2 RAM (2.125V bios)
3450
3x 7200.10 SATA
2x DVD drives

the 350W is measured using on of those things that measures power draw from the wall. i have also stated slightly more power then the actual reading.

so personally i think 460W will be enough, but it will really depend on your 12V rails
 
you could probably get away with it if your just running the one drive.
but i would definitely get a decent one, don't skimp on the PSU!
 
As far as I am concerned, it is better to have an overhead and not need it when using a high end PSU, than to be in a situation where you cannot supply what the system needs at full load, and lose performance, crash, or worse yet, result in a catastrophic PSU failure that takes out your MOBO in a murder-suicide attack. That's only if the PSU is a poop brand though.
 
I think your 8800 would pull about the same if not more than a 4870. You should be fine if the Akasa can supply it's rated power efficiently.
 
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