The Noctua NH-U12P is a slightly refined take on the companies previously successful NH-U12 heatsink. This time around, Noctua bundle in the NF-P12 fan, and it's not your average 120mm vaneaxial fan either. It's flesh tone coloured plastic draws attention away from its three key innovations; SSO bearings, vortex-control notches, and textured leading impeller surfaces. That translates into a fan which is very quiet at a speed of 1300RPM.
FULL STORY @ FROSTYTECH (http://www.frostytech.com/articleview.cfm?articleID=2199)