my pc crashed. new 4k build is finalizing with your help.

Honestly, if I wanted to build a 4k gaming machine, I would wait for the new AMD 300 series or GTX980ti. These new gpus will be more capable of 4k than anything currently on the market. I do not recommend two 295x2 as the couple people on here who have tried that were not happy with the results.

I recommend the EVGA P2 or T2 1600w because they are made by Super Flower which is one of the best oems for psus and they both come with a 10yr warranty.

Filling every RAM slot will hinder overclocking to some degree. It depends on the situation. Sometimes it will affect it a lot.

I think I'd rather go with three of these instead of two 295x2


PCPartPicker part list / Price breakdown by merchant

Video Card: Sapphire Radeon R9 290X 8GB Tri-X Video Card (3-Way CrossFire) ($365.91 @ Newegg)
Video Card: Sapphire Radeon R9 290X 8GB Tri-X Video Card (3-Way CrossFire) ($365.91 @ Newegg)
Video Card: Sapphire Radeon R9 290X 8GB Tri-X Video Card (3-Way CrossFire) ($365.91 @ Newegg)
Total: $1097.73



I will try to find one of the guys on here that had/have the two 2925x2 so you can get their opinion.

I would wait for the new GPUs like CTubo said. First of all, 295x2 Quadfire is 4 GPUs, which means very little benefits with 4 way CFX, anything beyond 2 is a waste. Also, the 295x2 only has a thermal limit of 75C before throttling, that seems pretty low before you lose fps, to me anyways, so that's another reason why you shouldn't get them. Furthermore, the 295x2 only has a max of 4GB of usable VRAM, with some current games and I'm 100% sure that new games will use over 4GB for 4k, without the extra VRAM, the game will randomly stutter and lost fps, so you wouldn't want that in a game. Of course there's DX12 that will fix the VRAM problem to stack them up, but I don't believe it until I see it. Another reason is CFX/SLI issues, you will probably see somewhere that says this game works with CFX, this other game does too. They may be, but that doesn't mean they will work 100%, you might get annoying brightness issues for example, having stutters, flickers, freezes, etc. So the point is you shouldn't always depend on multi GPU support, it might say it works, but doesn't mean it will work perfectly. So my suggestion is also to wait for the new GPUs, in my opinion, your goal should be getting the strongest single GPU you can get, then get a second one and that's it, anything beyond that won't help much, just extra heat and power. The benefit of that is you don't have to worry about SLI/CFX, less heat and power used, more room for your water cooling. Having a strong single GPU is important because even if a game doesn't work very well with CFX or SLI, your single GPU can still put out enough fps for you to play the game. So if you do get a second GPU, you can have a choice and adapt to anything, with or without both GPUs because your first one is strong enough. When I had my 295x2 Quadfire, I was using only 1/4 of my GPUs like 90-100% of the time for like 2-3 months, either because I don't need the extra fps, they were getting too hot (throttling), or because there was problems in game with CFX. Such as DA: Inquisition, I had a brightness issue but that was because of drivers, my game was loading very slow and stutters with CFX on, so I turned it off. So I was forced to use only 1 GPU but it supported mantle and I got like 110 fps with my 290x, even though I was getting high fps, there was also cutscene fps issues where it drops to like 1-2 fps, which was extremely annoying. So you see, it doesn't always matter if you can get the highest fps, you can get all the fps you want with however many GPUs you have, but all of it doesn't mean a thing if you have stutters or fps drops. Also, the 295x2 has a common display port issue where it doesn't give a signal, I have no idea how they can get the entire GPU to work except for the display ports. The GPU can be the strongest in the world, but it doesn't mean a thing if it won't display anything, so when that happens you would have to send them back for repair or replacement, which takes weeks.

Okay, enough about 295x2s, lol, onto your other stuff. You can't get the Corsair AX1500i with your build because it does not come with a 4 pin power connector which is mandatory for the Asus Rampage V Extreme, which I did not see it coming at all. For whatever reason, you HAVE TO disable that extra 4 pin power connector that is at the top right corner of the mobo in order for the PC to boot when it is complete. I have seen dozens of threads about this and they have the same exact problem that I had, don't ask how because I don't know since I wasn't the one that disabled it. So that's why that is not an option, I would go with Evga, after I found that out, I went with the Evga 1600w Platinum, Titanium wasn't out back then, so far it works perfectly and a lot cheaper than Corsair.

I have no clue who that RAM company is, so I have no opinion about that. But in conclusion, I would wait for the new GPUs if you want silky smooth 4k ultra gaming because they offer stronger single GPUs and more VRAM too. I sold my 295x2 Quadfire for one Titan X, with the extra VRAM, less heat, and power. I may have lost some fps, but what I have gained is well worth it. "Every" single problem I have had in the games I have played with my 295x2 is just simply gone, literally. They were the same settings, DX11, no mantle, I haven't had a single stutter whatsoever, so much VRAM to expand everything, so I definitely love the Titan X way more than 295x2 Quadfire, even though I paid 3 times the price for my 295x2s compared to the Titan X. Now I have 1000 watts to spare, so much room now, my PC feels free, my temperature never gets over 70C most of the time and has a 91C throttling limit, which is much better, super easy OC too. So if you want cheaper GPUs but with the same performance as the Titan X, I would wait and get the new ones and you would be very happy. Also, I used to think that AMD drivers wasn't that bad compare to Nvidia, but after experiencing Nvidia again with their top GPU, I have got to say it does feel a bit better. Of course it still has that "Display drivers failed and recovered", but both sides has it, so whatever, but that is just my opinion. So I hope all of this is helpful

Lol, this is my 2nd longest paragraphs I have ever typed in this forum

Well, I have no experience with g sync/freesync, so I can't answer that part, lol. I play on a 58 inch TV instead, I just like to watch movies in 3D and UHD upscale sometimes, monitors doesn't have that, so I skipped them even if they have some things that benefit games. I have no idea when 4k 120Hz will be officially out for the GPU, monitor, and cable, perhaps after the 980 it/390x. Because if they are the same or a little bit better than the Titan X, then I don't think they will be putting DP 1.3 on them because they are "just" pass 60Hz and a bit further, still can't reach 120/144 yet. So I don't think they will be out until there's GPUs that can push that far for most games. And so I think we'll be stuck at 60Hz for a little while longer at 4k, the new GPUs are the best you can get without going into the Titans' price range, my guess would be they are around $700 each, just get 2 and your 4k 60Hz ultra settings are ready to go for current and upcoming games. Hopefully both of them will be released around the same time, then you can just try one side out and see if you like it, if you don't, you can always return them and switch to the other sides. But I'm with you for 4k@120Hz, that's what I'm waiting for next, Titan X is where I'm staying until then, no point for me to get any stronger GPUs if we're still stuck at 60Hz.