"Among the Nofan’s first products are complex systems including a compact Set A40 and a top of the line Set A43. (NOTE the company recently changed its name to NoFAN, from NoFEN) Our today’s article will introduce to you the junior solution of the two – Set A40 system.
First of all I would like to point out that inside the fanless system case a fast CPU like Intel Core i5-2500K cooled with a passive Nofan CR-100A heatsink remains stable enough and the peak temperature of its cores doesn’t exceed 68°C. This is an excellent result, I have to say.
By the way, the load created by the AIDA64 stability test is just a little lower than the load created by the famous Linpack, so the results demonstrated by the compact system case without a single fan deserve our genuine respect. If we compare the cooling efficiency of the Nofan CR-100A with that of a Cooler Master Hyper 212 Plus at 600 RPM, we will see that the active cooler defeats the passive one with the temperature differences reaching 15 degrees. However, it hardly matters at the maximum temperature of 68°C under Nofan CR-100A, especially since the system is no longer silent with an active cooler inside."