Based on this product's specifications, here are some alternatives and similar models
Fan SilentiumPC Sigma Pro 140 PWM 14 cm Black 500-1400 RPM 8-22 dB
Summary description:
The SilentiumPC Sigma Pro 140 PWM is a 14 cm computer case fan designed for efficient cooling. It operates at a speed range of 500 to 1400 RPM, providing a maximum airflow of 78.6 CFM while maintaining a low noise level of 8 dB at low speed and 22 dB at high speed. This fan is ideal for enhancing airflow in your PC case while keeping noise to a minimum.