APEVIA AF512L-BL 4 Pin Plus 3 Pin Silent LED Case Fan, 120 mm, Blue, 5 Piece Apevia 120mm 4pin+3pin ultra silent blue LED case fan best value (5-pk) Comes with 4 pin (connected to power supply) & 3 pin (connected to motherboard) connectors Fan size: 120mm x 120mm x 25mm, comes with 4 x blue LED lights Low noise level: 24.7 DBA, air power: 12 VDC, fan speed: 1500  10% RPM Air flow: 57.67 CFM, life expectation: 30,000 hour