Features: Aluminum and plastic material. Connector type: 4-pin 4-wires connector, no soldering is required. High quality, each fan is tested before shipment and works normally. If you have any pre-sale or after-sale questions please feel free to contact us,we will happy to assist you. brand new and high quality for Dell Latitude 7480 E7480 7490 E7490 EG50040S1-C910-S9A Radiator. Specifications: Item Type: Cooling Fan Material: Aluminum & Plastic Connection: 4-pin 4-wires Fit: for Dell Latitude 7480 E7480 7490 E7490 EG50040S1-C910-S9A Quantity: 1Pair Package Includes: 1Pair x Cooling Fan 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!