Amazon.com: Mining Cooling Fan 7000RPM, 4Pin DC PWM 3.12A 120mm Dual Ball Bearings Violent Wind Volume for Antminer L3+ L3++ S9 S7 D3 E9 T9 All Antminer ASIC Miner Server : Electronics
Amazon.com: Dracaena 5500RPM 1pack Bitmain Fan for Antminer S9,T9,Z9,S19,X3,L3+, or other CryptoMiner, 4pin,120mm CoolingFan, DC12V,2.1A,209CFM, 65.2dBA : Electronics
Amazon.com: Replacement Bitmain Fan for Antminer S3, S5, S5+, S7 : Electronics