ASRock 990FX Extreme4 Or the ASUS SABERTOOTH 990FX R2.0?

I need to buy a mobo but I can't choose between these two.
The ASUS SABERTOOTH 990FX R2.0 is 145 EU for me and the ASRock 990FX Extreme4 is 123 EU for me, so there isn't a really big price difference.

Secondary information:
1. I'm going 280x Crossfire, unless it has worse performance then the 760.
2. I'm getting a third card, a 7770 for particles, this is also going to be my backup card until I got enough money for the other components.
3. I'm not planning on OCing.
4. I already have ram, a harddrive and a CPU fan.
5. The case that I'm going to buy is the NZXT crafted series phantom http://www.nzxt.com/product/detail/34-phantom I can't choose between assassin's white and red or just black

Secondary questions.
Would a 300W PSU be enough for a 7770?

Any assistance is appreciated
4 answers Last reply
More about asrock 990fx extreme4 asus sabertooth 990fx
  1. The Sabertooth is made for OC'ing. I got it myself and will be XFiring a 7970 in it. I did OC my FX-8350. If the price difference isn't big then just got with the Asus.
  2. But I just want to know if the Extreme4 mobo will allow my 3 GPUs and my CPU to perform the way they're supposed to perform
    But thx for your info an opinion, but I'm just trying to go as cheap as possible atm
  3. The ASRock is cheaper then.
  4. And my other question
    Would a 300W PSU be enough for a 7770? with a really low end low production quality mobo that bottlenecks an 8120 CPU?
    My 8120 is running on stock speed so it's approximately 105W, it's probably just 90-100W. My mobo with all of it's add-ons like 8GB ram and a harddrive will be about 80-90 wattage. A 7770 has 80-90 Wattage, so would my 300W PSU be enough? and if it is, would he be able to run my PC for longer then 2-4 months?, since that would be the amount of time left between me and my new and upgraded PC
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