Feature:1. Large air volume design, adopting axial light emitting mode, 11 fan blades can achieve large-volume heat dissipation.2. Bright and colorful luminous colors, giving you a super cool visual experience.3. The enhanced frame design can effectively protect the fan from deformation.4. Cool lighting with soft fan blades can find different aesthetics, giving you a different visual experience.5. Can work silently and shockproof, so that you will not be disturbed by noise.Specification:Item Type: Chassis Cooling FanInner Ring Diameter: Approx. 10.8cm / 4.3inOuter Ring Diameter: Approx. 12cm / 4.7inNumber of Fan Blades: 11Interface: Big 4pinFan Speed: 1100 rpm 10%Noise Level: 23dBAAirflow: 45 CFMRated Voltage: DC 12VRated Current: 0.17 0.03ABearing Type: Sleeve bearingMTBF: 20,000 hoursHow to Use: 1. Disassemble the case and find a suitable interface that can be connected to the large 4pin;2. The large 4pin of the cooling fan is aligned with the interface and inserted, and the computer can be used when it is turned on;Packing List: 1 x Cooling Fan.Package List:1 x Cooling FanNote:1. Please confirm whether there is an applicable interface in the computer case;2. Remember to align the corresponding interface and insert.