Does anyone know how many Watt Power supply this PC I'm making will need?

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DmadFearmonger

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#1 DmadFearmonger
Member since 2009 • 5169 Posts

AMD Phenom II X6 1055T Processor
nVidia GeForce GTX 460 Graphics Card
8GB DDR2 RAM
1TB Hard Disk Drive (One 250GB HDD and one 750GB HDD)
DvD drive

I have the motherboard, a case and a 250GB HDD already. But I need a power source and I was wondering how many Watts I'd need. Don't want to spend money that I don't have so I can get 2000W I don't need.

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Obiwan_1O

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#2 Obiwan_1O
Member since 2003 • 286 Posts

http://www.newegg.com/Product/Product.aspx?Item=N82E16817371044I just ordered myself one of these. amazing value and i have a similar system gives pretty good overhead for overclocking or crossfire.

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Tezcatlipoca666

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#3 Tezcatlipoca666
Member since 2006 • 7241 Posts

500-650W is fine. just avoid the super-cheap PSUs.

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DmadFearmonger

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#4 DmadFearmonger
Member since 2009 • 5169 Posts

http://www.newegg.com/Product/Product.aspx?Item=N82E16817371044I just ordered myself one of these. amazing value and i have a similar system gives pretty good overhead for overclocking or crossfire.

Obiwan_1O
And that'll work for my system specs?
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Blistrax

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#5 Blistrax
Member since 2008 • 1071 Posts
Use the calculator at Cooler Master.
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Tezcatlipoca666

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#6 Tezcatlipoca666
Member since 2006 • 7241 Posts

Use the calculator at Cooler Master.Blistrax

Or ask here. I can tell just by looking at his specs that a good 500W is sufficient. Ideally he'd get a 650W.

TC, yes that EA650 he linked is plenty for your PC.

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commander

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#7 commander
Member since 2010 • 16217 Posts

AMD Phenom II X6 1055T Processor
nVidia GeForce GTX 460 Graphics Card
8GB DDR2 RAM
1TB Hard Disk Drive (One 250GB HDD and one 750GB HDD)
DvD drive

I have the motherboard, a case and a 250GB HDD already. But I need a power source and I was wondering how many Watts I'd need. Don't want to spend money that I don't have so I can get 2000W I don't need.

DmadFearmonger

I wouldn't spend so much on an x6 cpu and get a x4 cpuif i was you and spend more the gpu, just a thought.

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swehunt

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#8 swehunt
Member since 2008 • 3637 Posts

Your PC will draw no more than 300w from the wall, a quality 500-550w (Antec/Seasonic/Corsair is a cuple good ones) is more than plenty!, and it'll leave almost 40% left for OC'ing and a more powerfull card in the future.

Don't go over the top on the wattage get a better quality PSU over the wattage.

A 600w noname/low Q could be to little while a very good quality 400w should run your PC, find the balance there.

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Tezcatlipoca666

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#9 Tezcatlipoca666
Member since 2006 • 7241 Posts

[QUOTE="DmadFearmonger"]

AMD Phenom II X6 1055T Processor
nVidia GeForce GTX 460 Graphics Card
8GB DDR2 RAM
1TB Hard Disk Drive (One 250GB HDD and one 750GB HDD)
DvD drive

I have the motherboard, a case and a 250GB HDD already. But I need a power source and I was wondering how many Watts I'd need. Don't want to spend money that I don't have so I can get 2000W I don't need.

evildead6789

I wouldn't spend so much on an x6 cpu and get a x4 cpuif i was you and spend more the gpu, just a thought.

Seconded unless TC actually needs a six-core CPU.

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swehunt

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#10 swehunt
Member since 2008 • 3637 Posts
Use the calculator at Cooler Master.Blistrax
:lol: Do you think Cooler Master as a PSU seller has something to gain recommending a more expensive PSU than he really needs?
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Tezcatlipoca666

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#11 Tezcatlipoca666
Member since 2006 • 7241 Posts

[QUOTE="Blistrax"]Use the calculator at Cooler Master.swehunt
:lol: Do you think Cooler Master as a PSU seller has something to gain recommending a more expensive PSU than he really needs?

This is the only PSU calculator I could ever recommend:

http://extreme.outervision.com/psucalculatorlite.jsp

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Gambler_3

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#12 Gambler_3
Member since 2009 • 7736 Posts

[QUOTE="swehunt"][QUOTE="Blistrax"]Use the calculator at Cooler Master.Tezcatlipoca666

:lol: Do you think Cooler Master as a PSU seller has something to gain recommending a more expensive PSU than he really needs?

This is the only PSU calculator I could ever recommend:

http://extreme.outervision.com/psucalculatorlite.jsp

This seems good actually, recommends me a 450W PSU and a minimum 400W, that's quite spot on.

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swehunt

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#13 swehunt
Member since 2008 • 3637 Posts

[QUOTE="Tezcatlipoca666"]

[QUOTE="swehunt"] :lol: Do you think Cooler Master as a PSU seller has something to gain recommending a more expensive PSU than he really needs?Gambler_3

This is the only PSU calculator I could ever recommend:

http://extreme.outervision.com/psucalculatorlite.jsp

This seems good actually, recommends me a 450W PSU and a minimum 400W, that's quite spot on.

Still overshoots with a margin, I came up to 485w, that is almost 200 more than i actually do use. But in reality I am only pulling 310w from the wall (84% efficiency = 0.84*310 = 260w) So it has a very wide safety margin also. These calculators do use a heafty over estimate, by looking at powerusage from testrigs Anandtech/OCC/Hardocp/toms... they show good readings of what a very overclocked PC with the card you opt. for use.
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Gambler_3

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#14 Gambler_3
Member since 2009 • 7736 Posts

[QUOTE="Gambler_3"]

[QUOTE="Tezcatlipoca666"]

This is the only PSU calculator I could ever recommend:

http://extreme.outervision.com/psucalculatorlite.jsp

swehunt

This seems good actually, recommends me a 450W PSU and a minimum 400W, that's quite spot on.

Still overshoots with a margin, I came up to 485w, that is almost 200 more than i actually do use. But in reality I am only pulling 310w from the wall (84% efficiency = 0.84*310 = 260w) So it has a very wide safety margin also. These calculators do use a heafty over estimate, by looking at powerusage from testrigs Anandtech/OCC/Hardocp/toms... they show good readings of what a very overclocked PC with the card you opt. for use.

What did you set for capacitator aging? That is a very important variable, I set 25% because my PSU is in it's 4th year and I use my PC almost 24/7(well not really but still very heavy usage) and came up with that.

Now that I dont select it at all it gives me minimum 320W with an overclocked CPU, doesnt seem too off to me....

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Tezcatlipoca666

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#15 Tezcatlipoca666
Member since 2006 • 7241 Posts

When I don't use capacitor aging it tells me that my recommended PSU is 300w. To compare:

The coolermaster one recommend 301W.

The newegg one recommends 377W.

The thermaltake one recommends 290W.

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swehunt

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#16 swehunt
Member since 2008 • 3637 Posts

What did you set for capacitator aging? That is a very important variable, I set 25% because my PSU is in it's 4th year and I use my PC almost 24/7(well not really but still very heavy usage) and came up with that.

Now that I dont select it at all it gives me minimum 320W with an overclocked CPU, doesnt seem too off to me....

Gambler_3

I didnt use a cap age, the qual. 105c ***. caps shouldn't age that fast. (and it isnt a problem in the vx450 you have either)

If you have lost 25% of the output effect you should start looking for a new one in my opinion, a cuple % is normal usage over several years.

Um, doing the very same calculate again only show 397w :question:, i musta made something really wrong last time (like putting that gtx460 in sli..) , if so the result is near enough. :)