I noticed lately that my CPU fan started clicking a bit. The temps are great and all but the noise, even though subtle, is getting annoying. So I'm looking to replace the fan and I'm having a bit of a dilemma what fan to choose. Now from what I've understood I need to look for static pressure fans and I've narrowed the list to a few fans. I'm looking for something that will perform at least the same or better and with noise same or lower with PWM function. For reference these are the specs of the current fan. http://www.enermax.com/home.php?fn=eng/product_a1_1_2&lv0=49&lv1=57&no=161 These are the ones I narrowed down to: -Corsair SP120 Quiet Edition -Noctua NF-F12 PWM -EK Vardar F2,F3 or F4 and -Nidec Servo Gentle Typhoon, ebay link http://www.ebay.com/itm/Nidec-Gentl...604419?hash=item2123722703:g:fBAAAOSwal5YGQyE If these are not something I should get or if there is something better please let me know.