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Psu for my ATi HD4870 crossfire

Forum Graphic & Displays : ATI - Psu for my ATi HD4870 crossfire

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everest_deth   04-15-2009 at 11:30:05 PM

Ok, so heres the deal, a couple of days ago i got a pc, and its pretty much ok, i got a wolfsdale 1333-D667, a core 2 duo 2.66 E7300, 4gb kingston ddr2 ram, a maxtor 250gb, but i got a bit a problem with my graohics card, they gave me an nvidia 9400 GT, and it SUCKS, so im thinkin of getting an ati 4870 1gb, and i had a couple of questions, a) im playing on an AOC 17" 1440*900 monitor, is the HD 4870 enough to run crysis on very high at a decent framerate on that resolution? , b)if it doesnt, which single gpu would you recommend?, c) is this psu enough to power the HD(single and crossfire configs): Coolmax RM-750B 750-Watt Power Supply, http://www.tigerdirect.com/applica [...] CatId=2533 , d) if not, please recommend some, keep in mind that i aint got a big budget, around 100 bucks or 120 bucks and thats it guys, thanks in advanced

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cowykillr   04-16-2009 at 12:13:19 AM
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On a 17 in, im pretty sure a 4870 1GB can handle those resolutions in crysis on high. If im not mistaken, isnt there a very high and then something along the lines of gamer extreme performance?
750w is good...750w will usually typically be plenty for x2 4870s in crossfire...

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everest_deth   04-16-2009 at 01:04:15 AM
- 0 +

hmm...i guess i its enough for high, but the thing is id like something better than that, and yes, there are some tweaks out in the net to make crysis reach for ultra high settings, but i guess i could settle with Very high, and about the psu, i read that i need a certain amounts of amperes in the 12 v rail or something like that, so im not that sure if that psu i mentioned is strong enough

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cowykillr   04-16-2009 at 02:41:59 AM
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Very High shouldnt be a problem on a 17 inch

if you have the right connectors, your 750 will be plenty

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everest_deth   04-17-2009 at 06:20:39 AM
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ok man, thanks a lot

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RazberyBandit   04-17-2009 at 11:07:27 AM
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I actually would stay away from that Coolmax in favor of something that didn't put so much power on the 3V and 5V rail in favor of more of it's power on the 12V rail(s).

Also, it does not have all the necessary PCI-E power connectors for two 4870's. It only has two 6-pin connectors, and each 4870 needs two. You'd be two short.

I would instead suggest you continue looking.

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jerseygamer   04-17-2009 at 01:57:16 PM
- 0 +

everest_deth wrote :

Ok, so heres the deal, a couple of days ago i got a pc, and its pretty much ok, i got a wolfsdale 1333-D667, a core 2 duo 2.66 E7300, 4gb kingston ddr2 ram, a maxtor 250gb, but i got a bit a problem with my graohics card, they gave me an nvidia 9400 GT, and it SUCKS, so im thinkin of getting an ati 4870 1gb, and i had a couple of questions, a) im playing on an AOC 17" 1440*900 monitor, is the HD 4870 enough to run crysis on very high at a decent framerate on that resolution? , b)if it doesnt, which single gpu would you recommend?, c) is this psu enough to power the HD(single and crossfire configs): Coolmax RM-750B 750-Watt Power Supply, http://www.tigerdirect.com/applica [...] CatId=2533 , d) if not, please recommend some, keep in mind that i aint got a big budget, around 100 bucks or 120 bucks and thats it guys, thanks in advanced



Your CPU blows chunks. You will never see good performance under 3.4 at those resolutions on any card in that range. A 4870 1gb is more then your CPU can tend to actualy. Lucky for you your display is small. You should have more GPU then you know what to do with. A 4850 would probably yeild the same results though.


Message edited by jerseygamer on 04-17-2009 at 01:58:19 PM
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everest_deth   04-21-2009 at 01:34:10 AM
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yeah...about the PSU i think im gonna go with a corsair or thermaltake, im still thinkin about it

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everest_deth   04-21-2009 at 01:35:18 AM
- 0 +

and about the CPU i know man, i was thinkin of gettin a core i7 bundle that includes the CPU, 6gb ram ddr3, and the x58 motherboard

Reply to everest_deth
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