Is My PSU Powerful Enough For Gaming Machine

January 1, 2010 at 18:09:37
Specs: Windows 7 Premium, 14.4Ghz 8Gig
Is a 500 watt PSU sufficient to power a gaming computer that runs on an 8G RAM/14.4Ghz quad core machine? The fuse has recently blown whilst playing a game.
The PC is off 'ebay' (item id: 170371186740), and the specs are:
CPU: AMD Phenom Quad Core 9500 3.6 Ghz FSB
Graphics Card: 2x1 GB SLI Sync 9500GT
1 400G Hard Drive & 1 DVD RW Drive
I haven't overclocked.
Any advice much appreciated

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January 1, 2010 at 18:43:04
Specs of power supply? Give us the numbers on the psu label; such as amps on +3.3, +5, and +12v rails.

That thing comes with a 3 year warranty, right? Did you contact the seller yet?


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January 1, 2010 at 22:37:15
Well 350W is at minimum system requirements for one of
those cards, so that is likely to be a no. I have one card (it
requires 400W) and I am running a 750W. having extra energy
is always a positive thing because if the PSU is at peak all
the time it is likely to blow and it could take your very
expensive computer with it. I would suggest you get at least a
650W for SLI. I could be wrong though. Add up the minimum
requirements for every part in your computer, take 30-40% off
(as long as it doesn't go below one of the minimum specs)
and you should be golden. 350 +350 = 700 + 95(CPU) = 795
+ 25(hard drive) + ~25 (case) = 845 x .66 = 565 and above
that is likely to be good. Now keep in mind i'm no professional
this is not an exact equatio , but I don't want my system to
fry, so I keep it well powered. Things also perform better when
they always have energy to access. You are taking a HUGE
risk with that wattage.

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January 2, 2010 at 05:30:34
The 9500GT can just barely be considered a gaming card. And two 9500GT's in SLi is NOT much of a gaming setup. There are plenty of low cost single cards that would wipe the floor with it. Why would you buy a "gaming PC" on eBay? Not only did you get a poor gaming card(s), but you got the "broken" Phenom too. I sure hope you didn't pay much.

As for the PSU, 500W should be more than sufficient IF it's a good brand name unit & the amperage specs are right. The 9500GT is pretty weak, both in terms of performance & power's definitely not a power hog. If you look at the following chart, the total system power consumption when running a single 9500GT under full load is just 154W.

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