Hello, Please carefully check the computer model, or the part number and the model of the machine in our title when you buy. Please don’t buy it randomly, because the same model also has a high-configuration computer and a low-configuration computer, and the fans used are all possible Different, if you make a purchase mistake by yourself, you need to bear the loss of this mistake. Thank you for your understanding and support. Note: This computer has a dual-fan cooling system, CPU FAN AND GPU FAN are the same, one is installed on the front and the other is installed on the back. The fan blades are plastic blades.