Martech DF1403812B2FN 12VDC 5A 140mm x 140mm x 38mm cooling fan is used to replace the damaged case fan of Antminer S21XP, S21pro, S21+. When the fan is under high load for a long time, it may cause untimely heat dissipation and substandard fan speed. Timely replacement of the faulty fan can help miners dissipate heat normally. The fan adopts maintenance-free double ball bearings, with sufficient and stable air volume, and is strong and durable.
Fan parameter:
- Brand: MARTECH
- Model: DF1403812B2FN
- Size: 140mm x 140mm x 38mm
- Voltage: 12V
- Current: 5A
- Speed: 7000RPM
- Fan port: square 4Pin
⚡ Note: This FAN is not a regular FAN . It is a specialized imported product, made specifically for ASIC miners and sourced directly from our trusted OEM supplier.









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