AXE140 HBT 14025 14cm led Fan 4-Wire PWM fan Speed ??Adjustable Chassis Cooling LED for pc set up

800-1400 go ± 5% air volume 38-62CFM noise 22-32DBthe standard square 14CM 14025 adjacent a fan pitch about 12.5CM length: 30.5CM box is black, gray and white, blue box on the post good cushion emitting leaves as the transparent black does not emit light of white leaf and leaves4-wire speed control to the main board of the 4-pin PWM support 3-pin or direct power supply at full speed a little voice noisy normal to speed control in less than 1000 is more and more static more than 1000 wind increases but the air is relatively large