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Help with choosing psu for gaming

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December 1, 2011 5:24:39 AM

I need help in choosing a Gaming PSU with 750-900 watts. my budget for this is about $100-$200. i have one already in mind, bt im not sure if it is good enough and if there is another PSU with the same capabilities for a lower price

Corsair CMPSU-850AX AX850 Power Supply - ATX, Modular, 850 Watt, 80+ Gold Certified, 120mm Ultra-Quiet Fan

Thanks in advance! all your help will be greatly appreciated.

More about : choosing psu gaming

a c 83 ) Power supply
a b 4 Gaming
December 1, 2011 5:59:52 AM

Before we do this, why do you need one so powerful? Tell us about your system before we start talking power.
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December 1, 2011 3:58:06 PM

what he said ^
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December 2, 2011 6:58:27 AM

4745454b said:
Before we do this, why do you need one so powerful? Tell us about your system before we start talking power.

sorry. I will be using my pc for Gaming and multimedia. i will also include some extra components such as a sound card.
I am also going to overclock so that might take a few more watts.

here are some major components I will be using:

Video Card:Sapphire 100312-3SR Radeon HD 6950 Video Card - 2GB, DDR5, PCI-Express 2.1 (x16), HDMI, Dual DVI, DisplayPort, DirectX 11, Dual-Slot, CrossFireX Ready

CPU:AMD Phenom II X4 965 Black Edition AM3 CPU HDZ965FBGMBOX - 3.40GHz, Socket AM3, 6MB Cache, 2000MHz (4000 MT/s) FSB, Retail, Processor with Fan

Mobo:GIGABYTE GA-990FXA-UD3 AMD 900 Series Motherboard - ATX, Socket AM3+, AMD 990FX Chipset, 2000MHz DDR3 (O.C.), SATA 6.0 Gb/s, RAID, 7.1-CH Audio, Gigabit LAN, SuperSpeed USB 3.0, CrossFireX/SLI Ready


I also plan to upgrade in the future so i thought i would need some extra watts.
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a b ) Power supply
December 2, 2011 7:38:55 AM

Unless you're planning a CrossFire setup with the HD6950's, the 850W is still overkill. I'd settle for the 650W version of the same PSU instead. It will give you sufficient power for add-ons as well as enough headroom for healthy overclocking.
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a c 83 ) Power supply
a b 4 Gaming
December 2, 2011 8:18:32 AM

Under full load your system as is will take around 350-400W. 850W is beyond overkill. Even in CF, you'll only need around 600W. If you will CF, get a good 750W. If single card, a 500-650W will be fine.
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December 2, 2011 10:29:05 AM

4745454b said:
Under full load your system as is will take around 350-400W. 850W is beyond overkill. Even in CF, you'll only need around 600W. If you will CF, get a good 750W. If single card, a 500-650W will be fine.


Alrighty, now i need suggestions for a 750w psu. Thanks for all your help!
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a c 83 ) Power supply
a b 4 Gaming
December 2, 2011 10:58:07 AM

Antec, Corsair, and XFX all make great 750W PSUs. Look at newegg and find one in budget.
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December 3, 2011 2:32:27 AM

4745454b said:
Antec, Corsair, and XFX all make great 750W PSUs. Look at newegg and find one in budget.


Thanks for your time and help!! Best answer for you :) 
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December 3, 2011 2:32:46 AM

Best answer selected by Anubis_Andro.
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!