The cooling fan operates noiselessly, which will not disturb the use of the computer. The soft and elastic cushion allows for good damping effect.The cooling fan features quick, powerful and efficient heat dissipation, which can cool your computer case within a short time.Made of ABS material, metal and silicone, the cooling fan is eco-friendly and durable, which has long service time. The cool ARGB light can bring you more excellent using experience.The length of the cooling fan is 12cm, width is 12cm and height is 2.5cm.The cooling fan is especially suitable for the heat dissipation of the computer case.Item Name: Cooling FanMaterial: Metal,Silicone,ABSFan Speed: 1200±10% RPMAir Volume: 16±10% CFMNoise: 20±10% dBAFan Bearing: Hydraulic BearingNumber of Lamp Beads: 12PcsInterface Type: Small 3pin + Big 4pinUsing Life: 40000 HoursNumbers of Blades: 7PcsFeatures: Quick, Efficient, CompactSize Details: 12cm x 12cm x 2.5cm/4.72" x 4.72" x 0.98" (Approx.)Notes:Due to the light and the screen setting difference, the item's color may slightly differs from the pictures.Please allow slight dimension difference due to the manual measurement.Package Includes:1 x Cooling Fan8 x Cushions4 x Fixing Screw