Summary: Works very well, EXTREMELY Quiet, Has a nice blue LED lighting. Keeps my i7-5930K Haswell-E 6-Core running at 36C at Idle. I was very impressed with how quiet it runs, Honestly cant hear a thing.
Pros: Cools well, Very quiet, Not many 2011-v3 coolers out there, Of all the ones I looked at this is the only one recommended by Intel, Glad I purchased it, It works Flawlessly.
Summary: Cheap, low cost option that works better than the fans of old, made by Intel, and it is extremely lightweight and the build quality was top notch. I used it in conjunction with Arctic Silver 5 Thermal paste.
Pros: This is great for new LGA 2011 processors including the V3 series, my i7 5930k is sitting at 33 Celsius as I type this and it's quiet as can be. This thing does what it is meant to do, air cool the CPU, and with the efficiency of newer processors you really don't need liquid cooling to get great ...
Cons: Absolute Zero (Absolutely zero, had to make a temperature related pun.)
Summary: Despite the very un-cool aspect (sorry for the pun) of putting a "stock" cooler on a $1K processor, this cooler is very capable and quiet. I put this on an i7-4860X (130 Watt), and with "BurnIn Test" running all cores at 100% for 10 minutes, no core got over 71C, with the average in the upper 60's.
Summary: Sometimes simplicity is the best solution. After experimenting with a fancy and expensive water cooling solution that ultimately failed. I got this as a temporary solution. Hah! It works better than the water cooler ever did. Way, way better.
Summary: This fan/heatsink worked very well on my standard clocked 4820 CPU. I replaced it though when, during the summer, the ambient temp in the house began to rise to 26c and cpu temps began to rise to the 64c mark.
Summary: I purchased this heatsink to replace a Corsair H80i which was taking up WAY too much space in an NZXT phantom case. I do not really overclock my CPU (Core i7 4930-K) as I feel it is powerful enough at the stock turbo speeds for my gaming needs.