With the system running at stock settings the Frio Extreme is doing very well. Coming in at 51.83*C, it almost tied with the Noctua NH-D14 with only a half degree difference in load temps. With the fans on low the temp dropped back to 53*C. The fans on low were nice and quiet and running very close to the Noctua NH-D14 SE2011 on low, only lagging behind by 1.2 degrees.
With the system overclocked to 4.5GHz the Frio Extreme come in at 68.5*C about 1 degree behind the Noctua NH-D14, and 3.5 degrees behind the Noctua NH-D14 SE2011. With the fans on low the Frio Extreme came in at 69.5*C, a half degree ahead of the NH-D14 SE2011.