Specifications: Made of premium aluminum and copper, the CPU cooling fan is durable to use. With luminous LED light, it makes your computer case cool and stylish. It has high performance of heat dissipation and is compatible with most computers. With simple structure, it is easy to install. Item Name: CPU Cooling Fan Material: Aluminum, Copper Type: A: 4Pin Interface, B: 3Pin Interface Wind Speed: 2000±10%RM Air Volume: 48 CFM Min Bearing: Hydraulic Bearing Voltage: 12V Noise: 0-22dBA Features: High Performance, LED Light, Heat Dissipation Size: 135mm x 110mm x 88mm/5.31" x 4.33" x 3.46" (Approx.) Notes: 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. Package Includes: 1 x CPU Cooling Fan 1 x Bracket 4 x Fixed Buckles 4 x Screws