Ant Esports Royaleflow 120 case fans Auto RGB comes with a unique crystalized diffuser on both sides of the frame ensuring not only a unique but also a homogeneous look in your PC. Equipped with a Hydraulic Bearing gear motor these fans are rated at 30000 hours of operation. Using its Molex the connector can run up to 1200 RPM delivering 38 CFM of airflow to keep all your components cool even under extensive load all under 20 dB thanks to its rubber grommets at the edges to lower noise levels.Equipped with a Hydraulic Bearing gear motor these fans are rated at 30000 hours of operation. Noise reduction technology & sound absorbing technique brings down the noise to provide you with a quiet working environment of less than 20 dB.Even under extensive load all under 20 dB thanks to its rubber grommets at the edges to lower noise levels. Being rated at 30000 hours these fans are not only long-lasting but also maintenance-free.