AXIAL FAN, 40MM, 12VDC, 73MA; SUPPLY VOLTAGE VDC:12V; FAN FRAME TYPE:SQUARE; FAN FRAME SIZE:40MM; EXTERNAL DEPTH:10MM; BEARING TYPE:BALL BEARING; AIR FLOW - CFM:5.3CFM; NOISE RATING:25DBA; POWER RATING:876MW; RATED SPEED:5500RPM