Model: VE120 forward fan. Slide in pin-to-pin design:Each fan cluster with only one cable and reducing cable clutter. ARGB PWM fan: Addressable RGB function support light effect synchronization, Automatic speed control through PWM interface, maximum speed is up to 1800 RPM. Specifications: Size: 120mmx122mmx25mm, Speed: 765-1800RPM±10%, Noise 30dBA Current: 0.18A, Air Flow: 61.5CFM CFM, Higher air flow for improved cooling performance. Quality bearings: The Hydro Bearing solve the problem of pc cooling fan blade shaking in lifting mode, keeping fan noise to a minimum while providing maximum cooling performance. Specifications: Size: 123.8*120*25MM, Speed: 900-1850RPM±10%, Noise 32dBA Current: 0.18A, Air Flow: 68 CFM, Higher air flow for improved cooling performance. Quality bearings: The Hydro Bearing solve the problem of pc cooling fan blade shaking in lifting mode, keeping fan noise to a minimum while providing maximum cooling performance.