b-BlasterPWM Series 120mm Speed(RPM): 1000 to 5000RPM±10% Current(A): 1.2±0.1A Power(W): 14.4 Airflow(CFM): 203 Airflow (at zero static pressure for pwm): 21.5 Static Pressure (at zero flow for pwm): 1.7mmH20 Static Pressure (max for pwm): 13.0mmH20 Rated Voltage(V): 12 Operating Voltage Range(V): 10.8~13.8 Noise Level at Max Speed(dbA): 50.5 Operating Temperature: -10°C~70°C Storage Temperature: -20°C~75°C Frame Size(mm): 120x120x25 Weight: 258g Bearing: 2 Ball (Japanese ball bearing) PWM Connector Mini 4 pin 4 wires Life Expectancy: 60000 LED: None