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Ships within 48 hours · Estimated delivery Sep 28 - Oct 3
com for bulk pricing and matched bench-tooling kits
🔇 Noise reduction: Lowers typical ASIC fan noise from ~90 dB to ~68 dB*
FAQ — Whatsminer CB6 V9 Control Board
Verify which connector your miner uses by inspecting the fan harness before ordering — installing the wrong revision will leave the fans inoperative even if the rest of the miner boots
Whatsminer M20 / M20S / M21 / M21S Mini Silencer (300W or 400W) 140mm Adapter Motor Power:300W com for bulk pricing andWhatsminer M20 M21 Series Black Mini Standard Silencer Compact AC Motor (Choose 300W or 400W) with Dedicated 140mm Exhaust Adapter Quiet the legacy Whatsminer M20, M20S, M21 and M21S with the compact home pick. Black plastic, AC capacitor motor in your choice of 300W or 400W. Note: M20 M21 uses a linear 6pin fan connector (different from M30 and later). Bundle includes 140mm exhaust adapter + 2 linear 6pin fan simulators. Heavy alternative? Silver
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