Thermaltake Vi-on Enclosure for 3.5" Sata Hdd with Esata & Usb2.0 Interfaces--- Retail USB 2.0 and ESATA interface Active SMART Cooling System: Auto temperature sensing fan that reacts to hard drive temperature change in real-time for utmost efficient thermal management. Anti-vibration System: Minimizes hard drive vibration to eliminate operating noise. Ideal Thermal Design : All around metal mesh opening provide unobstructed airflow intake ensuring proper cooling.