Cool your computer with this insignia 120mm case fan it fits most four pin connection setups and has a maximum noise level of 225dba for quiet operation. Best answer this fan is cheap and does not cool well i ended up buying 1 120mm antec fan from wal mart for 799 it cooled better than two of the insignia fans. Insignia 120mm fan wiring help needed builds i understand the wiring between the three wire fans red black yellow but the fan i bought from best buy has 4 wires 2 black and 2 grey that merge. It is a fairly quiet fan i am using this fan to better cool the logic board and power supply in my 3d printer although this is a 4 wire fan it can be used at a constant speed by connecting to just the 12v and 12v wires there are wiring diagrams online for those wanting to know which wires of the four are the 12v wires. 20112018 20112018 4 comments on insignia 120mm case fan wiring diagram okay putting the fans in my cab and his a snag i went and got case fans like i use to put in mame builds but now they are all wired with a 4 pin
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