Antec's Smart Cool 120MM. Thermal sensor keeps fan quiet at low temperatures, speeds it up as temperature rises. 3 pin connector with fan speed monitoring, 4 pin adapter with pass through. Double ball bearing design for longer life.

MODEL- 120SMARTCOOL VENDOR- ANTEC INC. FEATURES- 120mm SmartCool Thermally controlled case fan is up to 80% quieter. Built-in temperature sensor Variable speed: RPM increases as the temperature rises Double ball bearing design for extended life Comes with a 4-pin power connector and a separate signal connector to motherboard.

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