Features: brand new and high quality Aluminum and plastic material. for for Acer Predator Helios 300 PH317-53 PH315-52 AN515-55 AN515-56 AN515-57 AN515-45 AN517-52 N20C1 Radiator. Connector type: 3-pin 3-wires connector, no soldering is required. High quality, each fan is tested before shipment and works normally. Laptops with the same model number sometimes may have different types, please check the for image which shows the actual product carefully and ensure it is the same as yours. Specifications: Material: plastic Color : black Connection: 3-pin 3-wires for: for Acer Predator Helios 300 PH317-53 PH315-52 AN515-55 AN515-56 AN515-57 AN515-45 AN517-52 N20C1 Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: A / B / C (optional) A: 1PC x CPU Cooling Fan B: 1PC x GPU Cooling Fan C: 1Set x CPU + GPU Cooling Fans