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Help with power supply? ($100 limit)

Last response: in Components
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October 14, 2012 4:57:16 AM

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: Intel Core i5-3450 3.1GHz Quad-Core Processor ($179.99 @ Memory Express)
Memory: Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory ($37.27 @ DirectCanada)
Storage: Seagate Barracuda 1TB 3.5" 7200RPM Internal Hard Drive ($69.79 @ DirectCanada)
Video Card: Sapphire Radeon HD 7850 1GB Video Card ($179.99 @ Newegg Canada)
Case: Cooler Master HAF 912 ATX Mid Tower Case ($54.69 @ DirectCanada)
Power Supply: Corsair Enthusiast 650W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply ($109.99 @ Newegg Canada)
Monitor: BenQ GW2250 21.5" Monitor ($109.99 @ NCIX)
Total: $741.71
(Prices include shipping, taxes, and discounts when available.)

This is my build, but im not sure on which power supply to pick. I don't know much about them, so can anyone help me out? ($100 limit)

More about : power supply 100 limit

a b ) Power supply
a b } Memory
October 14, 2012 5:00:55 AM

The one you have selected, the Corsair Enthusiast 650w is a superb PSU. Go with that.
a b ) Power supply
October 14, 2012 5:02:36 AM

^ +1
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a b ) Power supply
October 14, 2012 5:10:11 AM

I wouldn't really recommend it from an efficiency standpoint. You get optimal efficiency from a PSU when it's drawing 20%-60% power. Getting a 750w PSU would bring you way below this range.
October 14, 2012 5:32:34 AM

mocchan said:
I wouldn't really recommend it from an efficiency standpoint. You get optimal efficiency from a PSU when it's drawing 20%-60% power. Getting a 750w PSU would bring you way below this range.


So if I get the 750, will my computer not run as good?

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a b ) Power supply
October 14, 2012 5:35:17 AM
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PSU won't effect how your computer runs, but it may effect your power bill by a small margin :) 

Also, on a side note, you won't even need 750w of power even if you were to decide to Crossfire your HD7850's (in all honesty, 550w would probably do that just fine). I would only recommend a 750w PSU if someone were to looking to Crossfire GTX670's or something similar, just something to keep in mind.
October 14, 2012 5:53:56 AM

Best answer selected by fisz.
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