The Cooler Master A12025-18RB-4BP-F1 DF1202512RFHN DC12V 0.32A 12CM 4-Wire Fan is a high-quality CPU fan with a 120mm diameter and ball bearing type, designed for efficient cooling of computer systems. With a maximum airflow volume of 55 CFM and a 4-pin power connection, this fan is reliable and effective in maintaining optimal temperatures for improved performance. The sleek black color and PC card form factor make it a stylish and functional addition to any computer setup.