How many Watts do I need on a PSU for my build?

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XxKINGxX40

XxKINGxX40

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Sep 26, 2013
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This will be my build:
AMD FX 8350
16B (2 x 8GB) Corsair Vengeance 1600MHz
2 x AMD Radeon R9 280x in Crossfire
1 HDD, 1 SSD
 
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fudoka711

fudoka711

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Apr 2, 2012
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My guess is 850W, but as far as I know the actual specifications haven't been released. I'm just assuming the AMD cards will still be more power hungry than their nvidia counterparts, and I know the 8350 uses a lot of power as well.
 
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bignastyid

bignastyid

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Jun 19, 2011
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I wouldn't get anything less that a high quality 850w power supply, or even 1000w for some more headroom.
www.newegg.com/Product/Product.aspx?Item=N82E16817151108
http://us.ncix.com/products/?sku=78945&vpn=P1850BBEFX&manufacture=XFX&promoid=1317
http://us.ncix.com/products/?sku=65626&promoid=1317
http://www.amazon.com/dp/B0066AH46G/?tag=pcpapi-20

The 280x is supposedly just a higher clocked 7970 GHZ so thats what im basing this on. Where the card has not released this is just an educated guess.
 
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Dark Lord of Tech

Dark Lord of Tech

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Aug 18, 2009
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PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: XFX ProSeries 1050W 80 PLUS Gold Certified ATX12V / EPS12V Power Supply ($159.99 @ Newegg)
Total: $159.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-10-07 16:16 EDT-0400)


or


PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: Cooler Master V1000 1000W 80 PLUS Gold Certified ATX12V / EPS12V Power Supply ($179.99 @ Microcenter)
Total: $179.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-10-07 16:17 EDT-0400)
 
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fudoka711

fudoka711

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True. It is also important to know how many amps are on the +12v rail(s).

However, pretty much any decent, 80 PLUS high wattage psu will have enough amperage.

I also should've mentioned that 850W was my minimum for crossfire 280x's. I agree that somewhere around 1000W watts is better.
 
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