ARCTIC P8 PWM PST, 80x80x25 mm case fan, 3000 RPM, 4-pin

Fan: 80mm, 200 - 3.000 RPM (Controlled by PWM)
Air Flow: 23.4 CFM / 40.3 m3/h (@ 3.000 RPM)
Noise Level: 0.3 Sone (@ 3.000 RPM)
Static Pressure: 1.9 mm H2O (@ 3000 RPM))
Typical Voltage: 12V DC
Cable Length: 400 mm
Sub PST Cable Length: 50 mm

Operation Requirements
Motherboard: + 12 V DC

PWM control signal
4-pin socket