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Is Water Cooling a Motherboard and RAM Necessary For a STABLE Overclock?

Hello,
I've been building computers since I was a teenager, and I've always been a generation (probably more like 2) behind whatever was current in the hardware department. I've finally come to the point in my life where I can actually afford to buy a system that uses the latest and greatest. More than that, I want to overclock it, because I always find things to tax my system with, and my solution has been to literally spread out my work over several computers. I want to consolidate that.

So I was looking at pairing an i7-5960x with an Asus Rampage V Extreme, and then getting 64GB of G.Skill DDR4 3000 RAM and an XFX Radeon R9 295X2 video card. The reason for my choice of video card is that I do more password cracking than gaming, and AMD cards are far better at it. I have a machine for Kali Linux and I'd like to convert that to a VM on the new machine. Playing games is appealing to me, but it seems like a lot of games don't really care if they blue-screen your computer an hour or two in; then again that might just be poor cooling and PSU choices. What I really like is stability and reliability, I want a machine that doesn't reboot until I want it to.

My thoughts about selecting the Asus Rampage V Extreme primarily centered around the fact that I want to water cool the CPU and the GPU and thanks to this post, I found out that EK makes water blocks for this motherboard but not the other Asus X99 motherboards. In doing research, I found out that Bitspower also makes an AiO block for the CPU/VRM/Mosfet of this motherboard but it doesn't seem as highly lauded (read here). I have overclocked in the past but never anything major as I'm always looking to use my computer day-in, day-out and not just push it to the limit for some benchmark and nothing else. Here I want to push the CPU to at least 4Ghz (a 33% boost) and leave it running pretty much 24/7 (although certainly not at 100% load 24/7, but sometimes for at least a week). That's what I'm unsure about, 4 Ghz isn't anything spectacular, I see a lot of people saying they've gotten it up to 4.7Ghz with water, but for how long isn't clear.

A lot of the reading I've done has really made me unsure if water cooling the motherboard and RAM is worth it. The consensus of opinion that I've seen seems to believe it was more important in previous generations of hardware but less so for Socket 2011. RAM also I'm a little confused about where I'm supposed to get those things to go on top of the DIMMs that you can screw the water block onto, and removing the factory heat-sink voids the warranty, thus...

This forum I've read more and longer than any other, and I've consistently found thoughtful commentary from the readership. I'm hoping you guys can help me settle this, if not for all builds, at least for this one. Since I'll have 8 DIMMs, does water-cooling the RAM and the motherboard make sense, or is this adding an unnecessary layer of complexity to the whole situation, since I'd probably have to add another 120mm of cooling surface to do it sufficiently? Thanks in advance for your thoughts.

P.S. I too read the Water cooling sticky (this) but when I went to http://skinneelabs.com/triple-radiator-comparison-v2/5/ my eyes started to glaze. Computing total TDP, even overclocked, was no big deal, but following links to other sites started talking about pumps and stuff from aquarium shops, I thought that was no longer neceesary. In other words, I figured if I was willing to spend $500 for a water cooling system, I could buy it pretty much all from one vendor, like EK (not that I'm stuck on them, I just don't know who else makes a water block for the motherboard).
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    IMHO, not worthed at all for spend a few hundred bucks in trade of several centigrade lower than stock mainboard cooling. Even not bring any significant performance gain whatsoever.
    It is better to purchase a good designed case + fans, which has good air pressure and flow, so your hi-end motherboard could utilize its stock cooling optimally.

    Hey, but everyone has their own hobby and needs. If you love to see a complicated and yet sophisticated water-cooled setups and go for it. Especially if you have the 'resources'. :D
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