High Performance Cooling Fan: The design of nine fan blades, the maximum speed reaches 1200 RPM, and it is connected to the motherboard through the 3PIN interface, providing a good cooling effect for the case Low Noise: Every fans is equipped with four soft silicone cushions that can absorb vibration at high speeds. The maximum noise is only 32.1 dBA. Keep the case in a relatively quiet environment when working Hydraulic Bearing Design: High-quality bearings can make the fan rotate more stably, reduce noise, and prolong its service life. Each fan can work an average of 30,000 hours Simple Installation: This computer fan's size is 120 mm and is compatible with all types of cases, making it easy to install. You can do it even if you have no installation experience Good Insulation and Heat Resistance: Case fan uses PBT environmental protection material, with good insulation and heat resistance, tough and durable quality