Solid aluminum construction. Six custom-engineered dual-ball bearing fans. Can be mounted horizontally or vertically. Six fan speeds. Three screen brightness settings. Programmable thermostat with automated speed control, alarm warnings, status alerts, and backup memory. The fans should be positioned near the top of the rack since they are set to exhaust out heated air. Noise level can quietly reach 8 dBA suitable for home theater, studio, DJ, and audio video racks. Max airflow rating of 60 CFM which will provide sufficient cooling to server, network, IT and equipment racks requiring high airflow.