The characteristics of this cooling fan are ultra-long service life, silent operation, easy installation and stable performance. The characteristics of this case fan are intelligent temperature control, high airflow, hydraulic bearings and high speed operation, which can effectively cool down your desktop computer case and extend the life of your computer. It is made of high-quality ABS and aluminum material. The length of this product is 12cm, the width is 12cm and the height is 7cm. It is used to cooling the PC computer case. Item Name: Heat Sink Material: ABS, Aluminum Features: High Air Volume, Stable Performance, RGB Lights Bearings: Hydraulic Bearings Speed: 2200RPM Noise: 20dB Service Life: 4000H Heat Dissipation Method: Air Cooling USB Interface: 6Pin Size Details: L: 12cm/4.72", W: 12cm/4.72", H: 7cm/2.76" (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 Heat Sink