1、PREMIUM QUIET FAN: It features eight soft silicone pads at each corner that absorb vibrations during high speed running. With a maximum noise level of only 35.1 dBA, it ensures a tranquil environment while you work or game without disturbances. 2、EFFICIENT HYDRAULIC BEARING: This cooling fan utilizes MFDB dynamic pressure bearings. With low friction magnetic levitation technology, it outlasts traditional bearings with a lifespan exceeding 10,000 hours. 3、PWM SMART TEMPERATURE CONTROL: The fan can reach speeds up to 1500 rpm, effectively reducing noise levels. Simply plug the PWM connector into the for SYS FAN port and synchronize with the motherboard's 5V D G pin. (Note: Motherboard synchronized pin male and female design. Adjacent fans can be connected in series or other light effect devices) 4、7 BLADE DESIGN: With seven high pressure fan blades, this fan delivers an airflow of 53CFM at 1500 RPM. Its focus on performance ensures stable air pressure and powerful airflow. 5、EASY INSTALLATION: This computer case fan is compatible with all types of cases and is quick to install. Its user friendly power interface allows for immediate use, with a screw hole spacing of 105mm for convenient mounting. (Note: hole distance is the distance between the centers of two screw holes) Item Type: PC Case Fan Material: ABS Product Size: Approx. 120x120x25mm / 4.7x4.7x1.0in Hole Distance: 105mm / 4.13in Bearing Type: MFDB Rated Voltage: 12V Rated Current: 0.09A Rated Speed: 1500RPM ± 10% Airflow: 53CFM Function: 4PIN PWM, 5V ARGB 1 x PC Case Fan 4 x Long Screw 4 x Short Screw Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store