Actually I read the whole thing before I type anything like I usually do, unless the thread is obnoxiously long then I just kinda skip it, lol. I was just waiting for someone to say something
But onto the build. My first advice is don't get over 3 GPUs, unnecessary heat and power plus it is pretty useless for gaming. Also, pick a strong single GPU such as the gtx 980 ti or the 390x, but since you want it this week, the gtx 980 is the best you can get. Of course you can sell it later and upgrade to the new ones later if you want. Why I'm saying to get a strong single GPU is because sometimes CFX/SLI doesn't work very well in some games, so it is good to have a strong single GPU as the base to still be able to run at the desirable settings with a few tweaks. My recent example is Dragon Age: Inquisition, it supports CFX/SLI and mantle, but it doesn't work very well with them. When I enabled CFX while playing it, it makes the game load extremely slow like you wouldn't believe, something is obviously wrong there because loading times is up to your SSDs/HDDs. So that is partially broken in the game, it may give you a desirable fps but also makes the game nearly unplayable. So instead of doing that I turned off my CFX and use only a single 290x instead of all 4, I can get 20-30 fps with DX11, but I switched to mantle and changed some settings in the catalyst for the game. Everything is still on ultra settings except for AA at 4k, with just a single 290x and mantle I can maintain constant 60 fps 80% of the time. The other percentage is from cutscenes, whenever you enter a new area or go into a cutscene, it's like the game just got slammed with x8 of AA and drops to 1-5 fps then goes back up again but still fluctuates during the cutscene. So that's why it is important to have a strong single GPU if CFX or SLI ever give you issues, you'll just have to do some tweaking to get that 60 fps and I still managed to get 60 fps at ultra with only 1 GPU. Which is surprising even to me on this newest game. I have actually only use CFX in one game, and that's Crysis 3, that is the only game that seems to need the extra GPU power without any issues, but since there's no achievements, I beat it once and that's it, now my CFX is off for all of my games. So actually I have been playing 4k at ultra with only a single 290x for a while now, of course in some games you won't get good fps because of how it is optimized. For example I can get 70-160 fps in BF4 but I can rarely get 60 fps in FC4 since it doesn't even support CFX and is more optimized for Nvidia. Also, there are some disadvantages you get in older games with CFX, such as Mass Effect trilogy, Fable Anniversary, Sleeping Dogs, those kind of games you can actually get less fps with CFX/SLI being on. When I used to have CFX on for all of my games, I get like 20-30 fps in Mass Effect 3 and Sleeping Dogs, 40s for Fable Anniversary. Now that I turned it off, I get constant 60 fps 4k at ultra with those games with like 1-5% of fps dips. Another reason why I don't have CFX on is because of the heat, actually the 295x2 starts to throttle if it gets above 75C, which sucks and I didn't know until my friend bought it and told me about that fact, so I was wrong about that it doesn't get any higher than 74C. That's why I don't think the 295x2 will be for you unless you have a very good airflow in your case and room. If you want it the build now, the gtx 980 is your best option and like I said you can sell it later for the new ones. Right now I'm waiting until GTA V release and test it for a few days then I'll sell my 295x2s and start with 2x 390x and get a 3rd if necessary. Now for the monitor, seeing as the gtx 980 can almost get a pretty nice fps in most games, I think you should get a g sync monitor if you ever go over 60 fps at 4k with the new GPUs, that will certainly help if you get like 100 fps or something. I think I'm sticking with AMD for mantle capability and plus my TV doesn't have g sync, lol. Mantle certainly helps when you are using a single GPU just like I did in Dragon Age: Inquisition
Normally I would say you should go with an x99 build, but it seems it has some weird issues, especially with OC. More and more people are having OC issues with their x99 systems, including me, since you want to OC, I'm not sure if you want go that route. If you want to research into it and find some fix for that, then go right ahead. The only things I like about the x99 systems is like the motherboard, I like how it has so many features such as surge protection and actually tells you, that's how I found out my AX1500i was defective, otherwise I might have never known it was that. Also it gives a Q code (Shows in two characters) that shows on the motherboard which tells you exactly where the problem is, and I like this safe boot button which forces the PC to boot into bios if your PC doesn't POST, so those are some nice features that comes with it. If you are stick with 2-3 GPUs, I think a z97 build will suffice if you want absolutely no problems with OC since it has been out quite a while now. I don't OC so the x99 build doesn't bother me that much. I think that's about all I have to say about 4k gaming/build, I'll add more if I remember more
This is within your build if you go with x99, just get high quality fans to get good airflow to prevent throttling, the case has plenty of fan mounts. You can always add more storage later, so that should be your less worry. 1000w will be enough if you are even planning to go up to 3 GPUs, but the 1300w is only $10 more, so why not, $10 for 300w is not a bad deal. I chose MSI in case you want to match the mobo/RAM in scheme in case you like that, plus they make some pretty nice Nvidia GPUs.
x99 build:
http://pcpartpicker.com/p/Rb624D
Now much on color scheme matching, but it has what you need.
z97 build:
http://pcpartpicker.com/p/W4w8CJ
I think this is the longest paragraph I have ever written in a forum :lol:
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