GDSTIME 4500RPM 8cm 80mm x 80mm x 25mm 12v Big Airflow High Speed Dual Ball Bearing Brushless DC Cooling Fan Size:80x80x25mm or 3.15x3.15x1 inches Rated Power:DC 12V 0.35 Amp ; Bearing type: Dual Ball Bearing Speed:4500RPM ; Air flow:59CFM ; Noise:43dBA Connecter:XH2.54-2Pin ; Cable Length:30cm Or 12 inches Package include: 1 Piece fan include fan grill and mounting screws & nuts