5 x ARCTIC P12 Pro PST 120mm 12cm PWM PST 4-Pin PC Case 5 Pack of Fans Black

Type: 120mm Case Fan. Rotation Speed: 600 - 3000 RPM, 0 RPM below 5% PWM. Connector: 4-Pin Fan Plug + 4-Pin Socket. Reduces motor noise, compensates for load fluctuations, and protects against inrush currents and reverse polarity.