GDSTIME 40x40x20mm 40mm 4cm 5v Dc Brushless Cooling Turbo Blower Fan Package include: 1 piece fan include mounting screws & nuts. Size:40x40x20mm; Rated Power:DC 5V 0.2 Amp Rated Speed: 5400 RPM; Air flow: 3.2 CFM; Noise: 27 dBA Bearing Type: Sleeve Bearing; Life: 35000 hours Cable Lenght: 24cm; Weight: 22g