How is the noise level of this fan?

The noise level of the fan is 37.3 dBA.

How does this fan connect to the power supply?

The fan can connect to the power supply using the included 3-to-4-pin Molex adapter.

Yes, this fan comes with red LED lights.

Yes, the fan features PWM (Pulse Width Modulation) speed control, which allows for adjustable fan speed.

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Bgears b-PWM 120 Translucent Red with Red LEDs, 15 Blades 2 Ball Bearing PWM fan with 500 to 2000 RPM, 110 CFM, 37.3dBA