I initially set the H20 with the rad on the roof of my dragon slayer case with the stock fan. The temps went down from my zalman air cooler but the H20 was to loud for me. I tried several different setups trying to find the best noise/performance. I tried front mounted rad with enermax magma pushing air through the rad, very loud and minimal improvement over stock (Idle temps approx 33 degrees Celsius, load temps in the low 60 degrees Celsius). I tried top mounted rad with Nautua NF-P14 pulling air through the rad, this set up worked really well and was very quiet (idle at 30 degrees Celsius, load at 58 degrees Celsius). I tried front mounted rad with NF-P14 pushing and NF-P12 pulling, this set up worked the best and was quiet at full load and almost silent at idle (idle at 27 degrees Celsius, load at 50 degrees Celsius) . Unfortunately I need those fans for my main computers NH-D14, and the cost of purchasing these fans is high. I ended up using push/pull with the rad mounted in the front of the case and two coolermaster 120 blue led fans in push pull 9idle at 28 degrees Celsius, load at 53 degrees Celsius). The temps I get with this setup is only 3 degrees higher then with the Nauctua fans and are very quiet. These tests were done on two separate days and i did not measure the ambient temrature however, I live in an area where the temperature does not fluctuate very much and my office is always about 21 degrees Celsius.