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Can my PSU handle another 5850? - Page 2

post #11 of 16
Quote:
Originally Posted by tx-jose View Post
it will work just fine. Coolermaster makes pretty good PSUs
Actually they really don't, for the most part... the market is flooded with eXtreme Power Plus, Elite Power and GX series units, all of which are crap but attract the unaware customer with low prices... Only the Silent Pro M and Silent Pro Gold are decent, but they're often not worth their price tag.
Also, Cooler Master doesn't make PSUs, they just sell what a number of OEMs make for them (AcBel, Seventeam, Enhance and FSP if I recall correctly).
post #12 of 16
Thread Starter 
I have decided to get a better PSU before buying another 5850. The misleading advertisement really does bother me, it sure fooled me into thinking that I had atleast up to 650W to safely work with.

I guess I have been too ignorant with my purchase. A slap in the face for believing the company blindly. Still, I think the false advertisement on (Cooler Master) PSU's is troubling. frown.gif
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post #13 of 16
I've got the same PSU and it's been running my overclocked i5 750 and overclocked 5850 in crossfire without fail.

So keep that in mind, if you already have that PSU, just keep it. It's not a great PSU but it does the job. Keep in mind that the reviews of most PSU's are done with North American standard of electricity, which is 110 Volt, if you power your PSU with 220-230 volt, it's run around 4% more efficiently, plus run generally better cause of the better amperage.

So if you don't have a PSU and you're buying a new PSU, best buy another one, but if you get it for a sweet deal as I did (around $78) it's no harm using it since by the time the ripples will tire your capacitors you would have already moved on to the next greatest motherboard and GPU's.

If you're keeping your system for over 3-4 years then probably get another PSU if not, just keep it, its here, its free, and it'll run your system until your next rebuild.

Here's my build with that PSU and overclocked crossfired 5850's. And it hasn't shut off once due to the PSU.

http://forums.bit-tech.net/showthread.php?t=196451

if you do crossfire your 5850, be sure to download "RadeonPro" it's free and its the best program to use with crossfire, you can set profiles with different drivers for different games on the fly, awesome.
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post #14 of 16
The problem with the GX 750 isn't that it's unable to deliver power -- it definitely can power two 5850s. The problem is the high ripple on the +3.3V and +5VSB rails. That **** will slowly kill your RAM and motherboard.
post #15 of 16
Thread Starter 
Quote:
Originally Posted by Shub View Post
The problem with the GX 750 isn't that it's unable to deliver power -- it definitely can power two 5850s. The problem is the high ripple on the +3.3V and +5VSB rails. That **** will slowly kill your RAM and motherboard.
I will get a better PSU before adding another 5850. I'm thinking about getting the OCZ fatal1ty 750W since its in the recommended sticky.

But, if I were to keep my current PSU and add the 5850, how long will the estimated lifetime of my system be? Just curious.
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post #16 of 16
your system would be fine, what would start to age is the capacitors in your system to compensate for the ripples. You can always replace your tired capacitors, just google "capacitors" and you'll learn a bit more about the subject.

If you already have that PSU, just use it, no need to spend more money and buy another PSU.

It's your money and choices, but I'd suggest using it until your next rebuild, and it'd be safe to use another 5850 with it, since these 5850s hardly use any power themselves. Great cards.

There are much worse OEM PSU's out there on cheap motherboards with cheap capacitors that have been running for years (in libraries, offices, and everywhere else) make of it what you want. No need to get all concerned about it. My 2 cents.....
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