techPowerUp posted a review on the Noctua NH-U12P Heatsink
On the heels of the successful NH-U12F CPU heatsink, Noctua has released a newer, more compatible version called the NH-U12P. This version has more clearance below the fins, making it easier to install on many motherboards. It comes with the new, ultra-quiet NF-P12 fan and a tube of the new NT-H1 thermal compound.Noctua NH-U12P Heatsink Review