Re: First time building PC with $1200 budget
That power supply is way overkill, you could triple-SLI some 285s with that. Go for something like the Corsair 750TX like I have, or 850TX if you want 8 more amps of power than 72A.
Also, I have the XFX 780i which is a great motherboard, good overclocker and does triple-SLI. the 790i is really just overkill, again.
And finally DDR3 just isn't worth it when you're working with LGA775, general rule of thumb is only to get DDR3 with an i7 system, that way the system can effectually use the extra speed.
Otherwise, good choices.
P.S. With that budget you might be able to go with an i7 build, I'm sure somewhere here can piece something together.
Desktop i5-4440 - ASRock Z77 Extreme4 - EVGA GTX970 - 4x4GB 1600MHz - Samsung 850 EVO 250GB - Be Silent Base 800 - 3TB+1TB+640GB
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