Features: brand new and high quality Equivalent parts replaced, reducing thermal noise, can help to reduce quantity of heat. increase the service life of the laptop. high quality material to ensure maximum strength and durability. which can effectively prolong the life for time of the fan. only cooling fan, not including other accessories in the picture demonstration Specifications: Material: metal Direct Current: for DC 5V 0.5A Connection: 4-pin 4-wires for: for DellG3 G3-3579 3779 15 5587 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 Fan B: 1PC x GPU Fan C: 1Pair x CPU GPU Fan