Arctic cooling freezer a11 cpu cooler improved where it counts based on the freezer 7 pro the freezer a11 has been improved airflow cooling performance noise level and transport proofness whether you are an expert at installing electronics or this is your first time the freezer i11 is just a few minutes away from being installed airflow reinvented fluidic analysis and long testing hours allowed us to push the fan efficiency boundary further this is leading to greater airflow and cooling