The original MARTECH DF1203812B2FN 12VDC 4.5A 7000 RPM cooling fan can be used to replace the damaged Antminer L9, S19kPro, S21, T21, KS5, KS5PRO, S19jxp, KS3, Z15Pro, S19XP, S19Pro-A, S19j Pro, etc. miner fan. It has double ball bearings, supports PWM temperature control, and has a speed adjustment function.
