b-BlasterPWM Series 80mm Speed(RPM): 600 to 5000RPM±10% Current(A): 0.36±0.03A Power(W): 4.32 Airflow(CFM): 98 Airflow (at zero static pressure for pwm): 8.5 Static Pressure (at zero flow for pwm): 1.3mmH20 Static Pressure (max for pwm): 9.5mmH20 Rated Voltage(V): 12 Operating Voltage Range(V): 10.2~13.8 Noise Level at Max Speed(dbA): 47 Operating Temperature: -10°C~70°C Storage Temperature: -20°C~70°C Frame Size(mm): 80x80x25 Weight: 73.6g Bearing: 2 Ball (Japanese ball bearing) PWM Connector Mini 4 pin 4 wires Life Expectancy: 60000 LED: None