The Pack of 5 Thermalright CPU Fans with RGB Light, model TL-C12C-S X5, features a high performance design with a 120mm fan diameter and a maximum airflow of 66.17 CFM. These black fans use S-FDB Bearing technology and have a rated speed of 1550 RPM. The multicolor fan lights add a vibrant touch to your computer setup, while the 4-pin power connection ensures compatibility with a wide range of systems. With a power voltage of 5V 3 PIN ARGB, these fans from Thermalright are a reliable choice for cooling your CPU efficiently.