Features: brand new and high quality Aluminum and plastic material. Direct Current: for DC 12V 1A. Connector type: 4-pin 4-wires connector, no soldering is required. for for ACER nitro 5 N22C1 AN515-58 N20C11 PH317-55 AN515-46 Radiator. High quality, each fan is tested before shipment and works normally. Specifications: Material: metal Direct Current: for DC 12V 1A Connection: 4-pin 4-wires for: for ACER nitro 5 N22C1 AN515-58 N20C11 PH317-55 AN515-46 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