Antec A40 PRO Suitable for Processor Type Cooler Fan diameter 92 cm Width 100 mm Depth 75 mm Height 136 mm Performance Rotational speed (min) 800 RPMRotational speed (max) 2200 RPMNoise level (low speed) 16 d B Noise level (high speed) 23 d B Type Cooler Suitable for Processor Fan diameter 92 cm Supported processor sockets Socket AM2 Socket AM2 Socket AM3 Socket AM3 Socket FM1 Socket FM2 Socket FM2 LGA 1151 (Socket H4) Compatible processor series AMD A Intel Celeron Intel Celeron G Intel Pentium GMaximum airflow 38 cfm