GDSTIME 80mm x 80mm x 25mm DC 24V Ball Bearing Brushless Cooling Cooler Case Fan &iexcl;&shy; Package include: Package include: 1 Piece fan include fan grill ; mounting screws & nuts Fan size: 80x80x25mm / 3.15''x3.15"x1"(L*W*H) Speed:3300RPM ; Air flow: 49CFM; Noise:33dBA Connecter: XH2.54-2Pin, Cable Length: 27cm Bearing Type: Dual Ball Bearings