Features: and high qualityMade of aluminum and plastic materialsCompatible with Acer Predator Helios 300 PH317-53, PH315-52, AN515-55, AN515-56, AN515-57, AN515-45, AN517-52, N20C1 radiatorConnector type: 3-pin 3-wire connector, no soldering requiredHigh quality; each fan is tested before shipment and functions properlyLaptops with the same model number may have different configurations; please check the product image carefully to ensure compatibility with your deviceSpecifications:Material: PlasticColor: BlackConnection: 3-pin 3-wireCompatibility: Acer Predator Helios 300 PH317-53, PH315-52, AN515-55, AN515-56, AN515-57, AN515-45, AN517-52, N20C1Note:Please allow 0-1 cm error due to manual measurement. Ensure you are comfortable with this before purchasing.Due to differences in monitor displays, the actual color of the item may vary from the image. Thank you!Package includes:Option A, B, or C (selectable)A: 1 x CPU Cooling FanB: 1 x GPU Cooling FanC: 1 Set (CPU + GPU Cooling Fans)