So I finally decided to retire my old setup.
I was running a 3570k on a MSI Z77A-GD65 mobo with 16GB of DDR2 RAM and 2 GTX 660's running in SLI.
This setup has worked well for quite some time, but, now that games are taking advantage of the newer advances of GPU's and CPU's, I decided it's time to upgrade.

I have decided to move up to the Haswell 4790k for my processor and pair it up with ASUS' Maximus VII.
I have read reviews on both components and they are pretty solid choices for a gaming build.
Now, at first, I wanted to run a single GTX 980 with an ASUS PB287Q 4K monitor, but I always wanted a triple monitor gaming setup and this time seemed like the perfect time to do it.

This will be my first time building a setup like this so this is pretty foreign for me. I'd like to average atleast 30-40 fps.
I know this will be a 2-card setup but which card would you guys/girls reccomend? (nVidia preffered.)

Budget would be about $700.00 USD, but I don't mind if cost goes over a bit.

 

I would highly recommend joining hardforum.com

 

It also depends on your resolution on those 3 monitors. If your running the common 3x 1080p setup, two GTX 980's in SLI will run most current games at ultra settings with 60+ fps. But even then, there are some games, like BF4 at 4k (one monitor), where GTX 980 SLI might have some dips under 60 fps if you want smooth frame rate.

You can definitely run one GTX 980 for 3 monitors (not 4K monitors LOL) at medium-high settings for good frame rate. You'll need to look into benchmarks like from anandtech.

Your best bang/buck is also two 970's in SLI, although that weird 3.5gb memory with 500mb extra lag might be of concern if you're picky.

You can also wait to see how AMD responds to nvidia's current lineup.

 

depends on the game. but one 980 should be good. two would be better, but it can also lead to more screen tearing.

 

We would really have to know your monitors and what games you would be playing, I'm assuming you want the 1x height by 3x length across the 3 monitors (game takes up the full 3 screens) for gaming aka "Eyefinity" for AMD, even though I know you prefer nvidia.
(2) GTX 980's is out of your budget, and most likely would be bottlenecked by the rest of your rig. In my opinion, (2) 660's in SLI is even probably bottlenecked by your 3570k already.

To power today's games takes a pretty hardcore set of hardware, even with just 1 monitor, to run at 60 fps constant. Graphic loads have gone up exponentially over the past 5 years whereas CPU load and memory load only went up a little bit. Now you're wanting to run 3 monitors. That's a huge GPU load. It's also a lot more graphics power btw, so look into upgrading you PSU at the same time for sure or you could torch a card or both or your board.

I ran WoW about 3 years ago on (3) 23.4" ASUS @ 1980p one a single 6870 in Eyefinity. But I only got about 20 fps. And my CPU was better than yours. I only ran it for like a day and then went back to 1 monitor. Wow is chump change in terms of today's graphics, too. Their graphics by that time had be rendered down to perfection and there was very little load compared to BF4 and stuff at the time. Granted you 660's are a lot more powerful than my single 6870 (by a lot) but still, today's graphics are probably about 20x more demanding in my opinion.