MODEL- TRICOOL120MMDBB VENDOR- ANTEC INC. FEATURES - 3 Speed 120mm Ball Bearing Fan 3-speed switch lets you balance quiet performance with maximum cooling. 3-pin and 4-pin power connectors provide convenien connections to your motherboard or power supply. Fan-speed monitoring capability included (requires compatible motherboard). -- SPECIFICATIONs ----------------------------------Fan Speed : 1200/1600/2000 rpm (avg.) Volumetric Airflow: 39/56/79 CFM Acoustic Noise : 25/28/30 dBA (at average rpm) SIZE - 120mm x 120mm x 25.4mm WT.- 70 grams