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Power Supply for New Build

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February 27, 2012 11:13:22 PM

Hey guys, I'm almost ready to hit that order button on my new build, just needed some advice on my power supply.

I'm currently looking at this build:

Case: HAF 932 Advanced
Mobo: AsRock Extreme7 Gen3
RAM: 16GB G. Skill Ripjaws X Series (1600)
CPU: Core i5-2500k Sandy
SSD: Samsung 830 Series 128GB
HDD: Caviar Black 64MB cache 1.5TB 7200 RPM
GPU: MSI GeForce GTX 560 Ti 448 Core (already have this card)

Would 750w be ample power for this rig, and would it allow expansion to SLI or a higher end card in the future? What PSU would you recommend, I'm looking for modular, preferably Gold certified.

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February 27, 2012 11:44:08 PM


Most likely a 750W will be sufficient for SLI, but if you want to go for future proofing, i would go for the 850W+ range.
Obviously several of the following also have a 750W model, except for the first platinum and the Seasonic X-series is then a good choice as well.

If you want the best from that range: Seasonic Platinum 860W ~$219.99
Other excellent choices:
- Corsair HX850 $175 ( $165 after MIR ) only 80+Silver, but very very close to gold, 7 year warranty a great psu overall
- XFX Pro850W XXX edition $155 ( $125 after MIR )
- Corsair AX850 $189.99 ( before $20 MIR and $15 promo code available until the 29th ) this is actually a nice deal
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February 27, 2012 11:44:31 PM

Any of these and you'll be just fine.

XFX PRO850W XXX Edition Semi-Modular 80 Plus Silver Certified 850 Watt Active PFC Power Supply
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

SILVERSTONE Strider Gold ST75F-G 750W ATX 12V v2.3 / EPS 12V 80 PLUS GOLD Certified 100% Modular, Active PFC Power Supply
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

SeaSonic X750 Gold 750W ATX12V V2.3/EPS 12V V2.91 SLI Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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February 27, 2012 11:54:55 PM

I'd recommend going with at least 850Watts also..... Since you have a 2500k I assume your an overclocker. So with the CPU Oced and 2x560's Oced your going to be using power somewhat close to 2x580's. I was running 2x570s with 850 but did not oc them and never had an issue. For the extra $20-30 why not futureproof yourself or give you headroom for Overclocking. I personally love Corsair PSU's
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February 27, 2012 11:56:14 PM

Thanks to both of you, currently checking both of those out.
I also had another issue, my GPU is currently still under the 30 day return/refund policy, do you think I should return it and grab a 570, or just overclock the current one?
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February 28, 2012 12:07:25 AM

Twyzted said:
Thanks to both of you, currently checking both of those out.
I also had another issue, my GPU is currently still under the 30 day return/refund policy, do you think I should return it and grab a 570, or just overclock the current one?


I did ALOT of research on that and its completely up to you. My wifes computer has a 560 Ti and with moderate overclocking matchs a 570. The EVGA 570 I had in my computer way back wouldnt let me OC it much if at all without crashing. For the extra $100 I dont think the marginal performance gain is worth it .....especially considering you may SLI the 560's. For the $200+ you will save on SLI'ing 560s vs the 570s personally I dont find it cost effective. . . . . And I have Xfired 7970's at the moment lol. With Sli'd 560's with moderate OC youll be pushing out high FPS. Id be willing to venture a guess at like 40-70 fps on BF3 on Ultra at 1080p.
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February 28, 2012 3:02:23 AM

Best answer selected by Twyzted.
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