Pros: Is the fastest Ram I've ever had, or was able to sucessfully OverClock. X.M.P. settings works great, one click and your running 2666! Fan keeps memory nice and cool, blue LED & doesnt seem to loud.

Cons: Price of course & 4GB only Dimms.

Overall Review: Had to Update my P8z77-V Deluxe Bios inorder to run 2666 threw X.M.P. Also my case is the Corsair 400R with a H100, and their is enough room for the fan that comes with this kit.