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Low end PC has 500W ps should i upgrade to higher ps?

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  • Cooling
  • CPUs
  • AMD
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Last response: in Systems
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October 3, 2011 7:28:28 AM

Hi

CPU = amd 955
PS= 500w
VID = gt460se
Memeory = 4gb ddr2
mb = MSI k9a2 cf

I currently have an amd 955 cpu and is Overclocked to 3.6ghz with stock cooling. CPU temp hits 48degrees on idle, prob around 50mark when playing games.

I know for sure once it hits summer the cpu temp will raise much more. i dont plan on upgrading my mb/cpu until next yr when diablo 3 is out. I also dont plan on Upgrading My VGA until next yr. However next yr i do plan on getting 3x or 2x high end vid cards and xfire/sli them with new MB/CPU upgrade.

As for now i really want to buy the nzxt phantom case and purchase the corsair h100 hydro cooling, i need a good cooling unit since i have OC my cpu. As for the Power supply, will i need a new one for the hydro cooler??
If i do, should i get an 850w psu or 1000w psu? keep in mind i plan on xfire next yr with either 2x or 3x vdu cards.
A big question, is if i purchase a big watts PSU will it burn out my system with its current specs since it seems like an overkill in watts considering i have old parts in there for now.

More about : low end 500w upgrade higher

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October 3, 2011 7:40:28 AM

If you will be using the available wattage of the upgraded PS at some point there is no harm in upgrading now. The higher power PS will not "burn out" anything, as it only delivers the power that drawn from it.
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October 3, 2011 7:41:22 AM

Having an over-kill PSU wont burn out any components, the PSU will only deliver the power the components need. A higher wattage just means its capable of delivering more, if it needs to.

750w should be plenty for SLI, but if your planning on adding a third card, id suggest just go ahead with 1000w.

If your buying new vid cards, here's a rough PSU requirement:
Single 6950/GTX50Ti = 500w
Single 6970/GTX570 = 600w
Single GTX 580 = 650w
SLI 6950/GTX560Ti = 750w
SLI 6970/GTX570 = 850w
SLI GTX580 = 900-1000w
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October 3, 2011 7:53:28 AM

As adrian said it doesn't hurt to have a higher capacity PSU.

There only thing that it does cause is that unless your current system taxes it enough, you might be running at a less than ideal wattage range and the efficiency suffers.
But your system should be fine with the OC'd CPU and all, so even a 1000W psu would be at a reasonable level when the system is under load.

Since you have time and your current setup works ok, look for sales on the high quality units in the ranges Adrian listed.
Here is a reference for you: Tiered list of PSU's.

Seasonic X series, Corsair AX and HX series are very high up there.
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October 3, 2011 8:15:38 AM

Many thx guys, will indeed invest in new case and psu and the wonderfull Corsair h100 that i love so much. Next yr i will most likely get 2x or 3x new vdu cards

Just had to be safe that getting a high end psu wont burn anything out. Happy to hear that it doesnt.
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October 3, 2011 10:32:15 AM

rvilkman said:
As adrian said it doesn't hurt to have a higher capacity PSU.

There only thing that it does cause is that unless your current system taxes it enough, you might be running at a less than ideal wattage range and the efficiency suffers.
But your system should be fine with the OC'd CPU and all, so even a 1000W psu would be at a reasonable level when the system is under load.

Since you have time and your current setup works ok, look for sales on the high quality units in the ranges Adrian listed.
Here is a reference for you: Tiered list of PSU's.

Seasonic X series, Corsair AX and HX series are very high up there.


You have no idea how long i've been trying to hunt down that PSU link! I found it once before and forgot to save/bookmark it! Great reference when looking to buy a new PSU.
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October 3, 2011 10:36:17 AM

It's pricy, but if you intend to go 3x graphics down the road. Take a serious look at the Corsair AX1200.
Jonnyguru review: 9.8/10
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October 3, 2011 10:55:07 AM

MMm antec 1200w = $300
corsair 1200w = 350
the 1200W "Silverstone, 80Plus Gold = 262
http://www.arc.com.au/pub.php?f=x&gid=24121&p=group

i think the silverstone would be more tempting & Antec seems decent
corsair has always been very nice, but its pricey but antecha nd silverstone seem to be good brands to compete with it.

newegg does it ship items to australia?
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October 3, 2011 10:56:20 AM

Silverstone Strider Gold is an excellent choice as well.
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October 3, 2011 5:10:43 PM

Who is the manufacturer of your current PSU?
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October 3, 2011 9:16:19 PM

cant remember, but my current psu has been running for over 5yrs so its pretty good considering its only 500w. Ill chk it out 2nite when i get home from work
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October 4, 2011 8:24:03 AM

008Rohit said:
Who is the manufacturer of your current PSU?


ok PSU is ICUTE brand
ya reakon 500w is enuf to run the corsair h100 cooler? lol
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October 19, 2011 7:12:00 AM

Best answer selected by evilgummybear.
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