Antminer: D7, L7, S19, S19j Pro, S19 Pro, S19K, S17, KD5, LT5,S21, KA3, D9, S1, HS3, X5, S19 XP, KS5, KS5 Pro and most miners with standard 2 fans. IceRiver: KS2, KS3, KS3M. 4x1 PWM Fan Simulator Emulator for Antminer S21, S21 Pro, S21 XP, T21 KS5 KS5pro.
eBay