Which PSU should I buy?

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XxKINGxX40

XxKINGxX40

Honorable
Sep 26, 2013
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My current specs:
CPU: AMD FX 8350
RAM: Corsair Vengeance 16GB (2x8GB) 1600Mhz
GPU: Geforce GTX 650
MOBO: Gigabyte GA-990FXA-UD3

I was looking at the Corsair RM850 http://

I am planning to upgrade my GPU to either 2 770s in SLI or 2 Radeon R9 280x in CF.


So, which PSU should I get, and which 2 GPUs?
 
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XxKINGxX40

XxKINGxX40

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Sep 26, 2013
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I dont think I will OC it. Its already 4.0 GHz Octa core, so I probably wont spend the extra cash OC'ing it.
 
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ko888

ko888

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Feb 18, 2009
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A Radeon R9 280X is a rebranded Radeon HD 7970 GHz Edition.

For two Radeon HD 7970 GHz Edition graphics cards in 2-way CrossFire mode AMD specifies that a minimum of an 850 Watt or greater system power supply should be used.

Sapphire Technology and H.I.S. both specifiy a 1000 Watt power supply for two Radeon R9 280X graphics cards in 2-way CrossFire mode.

Under power your rig at your own peril.
 
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XxKINGxX40

XxKINGxX40

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Sep 26, 2013
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But, on eXtreme power supply calculator, it says a minimum of around 600 Watts. And I put all my specs. the CPU, GPU, RAM, MOBO, HDD, SSD, and it says 600 watts. And the Corsair RM 750 has 750W and enough amps...
 
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