Supermicro FAN-0136L4 computer cooling system 3.15" (8 cm)

Supermicro FAN-0136L4. Type: Fan, Fan diameter: 3.15" (8 cm), Rotational speed (max): 13800 RPM, Noise level (high speed): 73 dB, Maximum airflow: 144.2 cfm. Width: 3.15" (80 mm), Depth: 3.15" (80 mm), Height: 1.5" (38 mm)