APEVIA 120mm 4pin & 3pin Black Silent Case Fan (3-pk) CF312S-BK Apevia 120mm 4pin & 3pin Ultra Silent Case Fan. 120mm x 120mm x 25mm. Connect to Power Supply or Motherboard Low Noise Level: 24.7 dBA. Air Power: 12 VDC. Air Flow: 57.67 CFM. Fan Speed - 1350  10% RPM Life Expectation: 30,000 Hours