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PSU for this system?

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Author	Thread : PSU for this system?

Nytz

Profile: newbie

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08-01-2008 at 11:22:05 PM

Hello there, i was thinking what PSU i should go for with this system.. im probably going to Overclock Graphic card and cpu
and later on i might add another 4870 in crossfire.

[CPU] AMD Athlon 64 X2 Dual Core processor 4800+ 2.4GHz
[Motherboard] MSI K9AGM2
[RAM] DDR2 2X1GB
[Hard Drive] Samsung HD321KJ 320GB/7200rpm
[Graphic Card] ATI 4870

Message quoted 1 times

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dirtmountain

Profile: Honorary Poster

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08-01-2008 at 11:51:32 PM

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http://extreme.outervision.com/psucalculatorlite.jsp
http://www.atomicmpc.com.au/forums [...] c=7&t=9354
A good quality 750w for crossfired HD4870s to keep PSU at about 60% of rated power at load (recommended by PSU manufacturers)
Corsair or PC Power and Cooling

Message edited by dirtmountain on 08-01-2008 at 11:52:17 PM

invisik

"Couldnt think of one"
Profile: nimble knuckle

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08-01-2008 at 11:52:05 PM

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antec eartwatt 500 or 650.

---------------
intel core 2 quad q6600 @3.2ghz msi p6n diamond (X-FI Extreme sound) 6gig of OCZ+CoRSAIR oc 900mhz Nvidia gtx 260 sli @ 712/1260
Lite-On Blue-ray Western Digital 7200rpm 500gb Antec 500 Earthwatt Window vista 64-bit

Nytz

Profile: newbie

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08-01-2008 at 11:54:40 PM

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Thanks for help

The_Blood_Raven

Profile: nimble knuckle

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08-02-2008 at 12:38:48 AM

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What is your current PSU?

---------------
What doesn't kill me only pisses me off!

Noya

Profile: old hand

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08-02-2008 at 03:25:20 AM

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Nytz wrote :

Hello there, i was thinking what PSU i should go for with this system.. im probably going to Overclock Graphic card and cpu
and later on i might add another 4870 in crossfire.

[CPU] AMD Athlon 64 X2 Dual Core processor 4800+ 2.4GHz
[Motherboard] MSI K9AGM2
[RAM] DDR2 2X1GB
[Hard Drive] Samsung HD321KJ 320GB/7200rpm
[Graphic Card] ATI 4870

Just to let you know that AMD X2 will strangle a single 4870. Two of them :pfff:

The_Blood_Raven

Profile: nimble knuckle

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08-02-2008 at 05:25:20 AM

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An OC'd 6000+ or higher would be fine.

---------------
What doesn't kill me only pisses me off!

aevm

Do not eat the styrofoam
Profile: Forum Resident

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08-02-2008 at 05:48:45 AM

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Get a 750TX from newegg, that should handle HD 4870 CF all right.

IIRC the K9AGM2 has a single PCI-E x16 slot. I'm too lazy to check now, it's midnight here. If that's right, get yourself a K9A2 Platinum 790FX when you buy the second card. That MB does Crossfire at x16+x16 on both slots.

Nytz

Profile: newbie

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08-02-2008 at 09:40:40 AM

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What if i OC my cpu to 2.8 - 3.0GHz.. will it still bottleneck the 4870 then?

The_Blood_Raven

Profile: nimble knuckle

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08-02-2008 at 05:05:15 PM

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Yes, but I don't think it will be too major with just 1 4870, but 2 would produce some definite bottlenecking. I recommend upgrading soon, once the new Deneb CPUs are out the X2s should fall in price so that would be a good time to upgrade.

---------------
What doesn't kill me only pisses me off!

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