Skylake CPUs bending under heavy fans, liquid cooler advice?

Vanessa_Beth

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Dec 11, 2015
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So apparently the new Skylake CPUs are bending under the pressure of heavy air coolers, which is obviously bad. I've decided to take this opportunity to try out liquid cooling, as long as the options stay lighter than the aforementioned air coolers, that is. Any advice on some closed-loop systems that could fit the bill for the 6th gen of Intel chips? I'd just stick with the stock cooler for my shiny new CPU until the industry adapts to this nonsense, but that's not an option since they don't stock the i5-6600k with a cooler.
 
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For some reason the 240m seems to be missing from most places. It could be out of stock due to being sold out, the black friday and cyber monday deals were recently going on and holiday shopping may have depleted supplies. I don't know what the availability was like before the holiday promos.

The extreme performance portion of the h100i on amazon is likely marketing or the 'full name', to my knowledge an h100i is an h100i. The h100i gtx is a slightly different model. Some places also call it an h100i gtx 'high performance' cooler. The h100i is the older version, the gtx is a newer version with an updated pump, improved cold plate and some rgb lighting on the water block. Similar design but with slight improvements.

It looks like the...

superstition

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Feb 27, 2009
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If you don't move your computer after it's installed you should be fine with an air cooler. However, if you want an AIO my suggestion is to get a dual fan (240mm or so) unit. While a single fan unit can cool that chip a dual fan will do it with lower noise. Any decently rated two fan AIO will be fine. Just go by cost.
 
The Corsair H90 seems rather good, as does the H110i and NZXT X41. Alternatively, you could go for a low-profile air cooler, but you'll limit the overclocking potential.

A few important things to remember about AIO water coolers:

1. They use outside air for cooling, so ambient temperature is important.
2. The pump and fans can be noisy, although the fans can be replaced for quieter ones.
3. There's always a risk that they can leak, despite being closed-loop.
 
The issue of skylake cpu's bending seems to be an isolated issue to the site whose article is being repeated everywhere. Someone at maximum pc said they also experienced the issue but not with heavy air coolers, rather with an aio cooler. Some of the issue can be heavier coolers bouncing around when shipped, other bending issues like they're talking about come from over tightening the cooler which is what happened to maximum pc with the aio cooler. They also admitted to using a power driver to install the cooler and suggested it may have been their fault.

"Recently, while moving a Skylake i7-6700K between two systems, our colleagues at Maximum PC experienced this exact bending issue. The damage was caused by installing either an EK-XLC Predator 240, Deep Cool _ or Corsair H90 liquid cooler. We thought too much force had been applied to the chip by installing one of those coolers with an electric screwdriver. It's still possible that the screwdriver applied a damaging amount of force and the damage was user error"
http://www.pcgamer.com/intel-skylake-cpus-are-bending-under-the-pressure-of-some-coolers/

Not saying absolutely don't use an aio if you want to but obviously they're no 'safer' than air coolers. If it helps any, out of the roughly 190 user reviews of skylake i5's and i7's (k series, no stock cooler) on newegg very few issues reported and no one mentioned a bent/broken cpu. Unfortunate that there aren't any meaningful number of cases regarding cpu damage to lend credibility to the skylake 'bendgate' issue other than the same repeated posting from pc games hardware germany.

I tried asking on other forums and message boards for people who have actually experienced this issue firsthand and no responses. One of our moderators here that I know of is using a skylake cpu with a larger cryorig r1 which is around the same size as a noctua nh-d14 cooler with no issues. Just thought it would be worth sharing additional information since that article came about regarding skylake and everyone's claiming 'skylake bends' now without even owning one or no evidence of anything more than an isolated case.

In all fairness a few people got doa 4690k cpu's but for a bunch of people who don't even own the chip to take it as gospel and run around saying 'oh don't get 4690k's they all come doa now' is a bit far fetched and baseless.
 

Vanessa_Beth

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Dec 11, 2015
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Fair enough, synphul. Still, I'm not going to use a power driver to install my AIO unit, so I should be fine in that regard. I just take this as good excuse as any to try out liquid cooling for one of my builds. That being said, I have a few more specific questions. From my own research I found that my case, an NZXT Phantom, has been pre-drilled to fit a 240 radiator. Some more research and I found several people/ articles praising the viability of the Cooler Master Nepton 240M, but I can't find any trustworthy sites selling it at its list price, which baffles me. IE, Amazon has one third party merchant selling it "Used". For comparison, I checked Amazon UK and it's being sold for list price from as many merchants as you would expect from an average item. It baffles me.

Also, there's the H100i that keeps popping up. There's two of them.
http://www.amazon.com/Corsair-Series-Performance-Liquid-CW-9060021-WW/dp/B00SV7IEJI
http://www.amazon.com/Corsair-Extreme-Performance-Liquid-Cooler/dp/B009ZN2NH6/ref=sr_1_2?s=pc&ie=UTF8&qid=1449842164&sr=1-2&keywords=corsair+h100i

What's the difference? Age? That'd be my guess. I see "GTX" in the name of something to my knowledge unrelated to graphics cards and I have to admit it makes me hesitant. Kind of screams "marketing gimmick!", you know?

 
I think that one group of people decided it was a good idea to use an electronic screwdriver to install their cooler, which bent the CPU and they posted it on the internet, now suddenly others are claiming to have it, probably trying it on to try and get a free upgrade or something, which isn't going to work. As said above, just don't over tighten the cooler, it just needs to be tight enough to make good contact and if you have a big air cooler like the Noctua NH-D15, remove it before transporting it, which I would recommend with any CPU anyway.
 
For some reason the 240m seems to be missing from most places. It could be out of stock due to being sold out, the black friday and cyber monday deals were recently going on and holiday shopping may have depleted supplies. I don't know what the availability was like before the holiday promos.

The extreme performance portion of the h100i on amazon is likely marketing or the 'full name', to my knowledge an h100i is an h100i. The h100i gtx is a slightly different model. Some places also call it an h100i gtx 'high performance' cooler. The h100i is the older version, the gtx is a newer version with an updated pump, improved cold plate and some rgb lighting on the water block. Similar design but with slight improvements.

It looks like the h100i gtx has just slightly better cooling than the h100i and doesn't really show up until a cpu is overclocked. Slightly better as in 1-4c better.
http://www.overclock3d.net/reviews/cases_cooling/corsair_h100i_gtx_review/7

The h100i is a pretty popular cooler like the 212 evo. Another aio cooler people have good results with is the nzxt kraken x61.
http://www.tweaktown.com/reviews/6803/nzxt-kraken-x61-280mm-aio-cpu-cooler-review/index8.html

Something like an ek predator 240 is a bit more expensive, closer to $200 but you get higher quality ek parts rather than the typical asetek type rebadged radiators and pumps. Unlike the h100i type coolers it comes with g1/4 threaded fittings so the cooling system is expandable, it's not strictly a closed loop cooler with factory molded hoses and things. Comes at a bit of a premium though, around $200 for the higher quality components and expandability options.
 
Solution

Alan_19

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Nov 24, 2015
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When I removed my Gammaxx S40 Air Cooler the day this bendgate broke out. I asked intel what I could use and keep the 3 yr guarantee. The answer was they would still honor the warranty if I used a intel TS13X or a Intel TS15A. I took this to mean that nothing but their water or air cooler could be used and not invalidate the warranty. I have no idea if I have damaged the build I am in the progress of making by using the Gammax but I was slow and careful. I am getting a TS13X to finish my build.

I have no clue what people are talking about mechanical srewdrivers. Every single intel aftermarket cooler I ever had used those frustrating turn and push pin locks. There is no possible way to overtighten them. Is this an attempt to misdirect the public by placing blame on something else than Intel?
 

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