Solution
As u can see here, the RAM don't fit under, if the CPU cooler is large.

ram_clearance.jpg
I recommend CORSAIR Vengeance 99% of the time, quality RAM and low profile with XMP profile. And if u will get an aftermarket CPU cooler, low profile is the worry free remedy with perfect fit with any large cooler.
CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600
http://www.newegg.com/Product/Product.aspx?Item=N82E16820233196
Vengeance Low Profile heat spreaders have a reduced height of 1.03" (26.25mm). They're designed for high-performance systems with extra-large CPU coolers, small form factor system builds, or any other space-constrained application where standard Vengeance memory might not fit.
cml8gx3m2a1600c9b_06.jpg

 

ohyouknow

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Seeing what kind of mobo and case you have is also a good idea.

The hyper 212 is a tall cooler 160mm or so and needs a good width case. It has a good chance of blocking your first memory slot, but should be ok if you plug them in the 2nd and 4th slot if you have 4.

The water cooling kits above will not give you issues however but are of course more expensive for similar performance sans the H100
 

That's why the low profile RAM recommendation.
 

I recommend the EVO too, but only if the price is the same : )

Few degrees for $10.