Features: OOTDTY   brand new and high quality Aluminum and plastic material. Compatible with for Acer Nitro 5 AN515-43 AN515-54 AN517-51 Nitro 7 AN715-51 Radiator. Connector type: 4-pin 4-wires connector, no soldering is required. High quality, each fan is tested before shipment and works normally. Voltage: DC 5V. Specifications: Material: metal Color: Grey Voltage :5V Power Connection: 4-pin 4-wires Compatible models: for Acer Nitro 5 AN515-43 AN515-54 AN517-51 Nitro 7 AN715-51 Package Includes: 1 Pair x CPU GPU 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!