Dark engineers designed a new 12cm red case fan that will create a quiet storm in your case. With the dark red case fan, you can use the idle fan slots on your computer to effectively cool your system and increase the lifetime of your computer significantly. With the airflow produced by 2 or 3 Dark 12cm fans that you will use in your case, you can cool your components such as processor, graphics card, motherboard and hard disk at the most affordable cost.