Specification: Origin: Mainland China Color: Black/White (optional) Material: ABS Bearing type: Hydraulic bearing Speed: 800-1800RPM Fan noise: 23.85dB (A) Fan pressure: 1.98mmH2O Fan air volume: 32.77CFM Lighting interface: 3-pin Power interface: 4-pin Rated voltage: 12VDC Rated current: 0.25A Number of pages: 7 Dimensions: 90.00x90.00x25.00mm/3.54x3.54x0.98inch Note: Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures. Thanks for your understanding! Please allow a 1-2 cm difference in measurements due to manual measuring. Included: 1*Cooling Fan 1*Power Cord 4Pcs*Screws 1.Compact Style: The 9cm RGB case fan features a sleek, minimalist design with RGB lighting effects on the blades, available in both black and white to match any computer case aesthetic. 2.Quiet Operation: At just 23.85dB(A), this PWM silent computer fan operates with minimal noise, incorporating eight external shock pads to reduce resonance and wear for a quieter computing experience. 3.Hydraulic Bearing System: Designed with a hydraulic bearing, this CPU cooling fan ensures a quieter and more stable performance, prolonging the life of the fan and maintaining optimal cooling efficiency. 4.Strong Airflow: With an impressive air pressure of 1.98mmH2O and an airflow capacity of 32.77CFM, this quiet cooling fan provides consistent and effective cooling to keep your computer's internals at the ideal temperature. 5.Continuous Cooling: This RGB PC fan is engineered to deliver sustained cooling performance, ensuring your PC's components remain cool during intensive tasks, prolonging the life of your system.