Whatsminer M20 / M20S / M21 / M21S Silver Industrial Silencer – Pure Copper AC (200W/300W)
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Whatsminer M20 / M20S / M21 / M21S Silver Industrial Silencer – Pure Copper AC for 140mm Chassis
Quiet the older legacy Whatsminer M20 / M21 generation miners — M20, M20S, M21 and M21S — with the heavy industrial pick. Choose 200W (1750 CFM) or 300W (2000 CFM) motor at order. Note: M20/M21 uses a linear 6pin fan connector (different from M30 and later, which are square 4pin). Bundle includes 2 × linear 6pin fan simulators. Compact alternative? Black Mini Standard version.
Choose Your Motor — 200W or 300W
200W AC (1750 CFM): entry-level. 300W AC (2000 CFM): warm climates. Custom motors via bulk orders — contact us.
What's in the Box
- 1 × Silver Industrial blower silencer with selected motor (200W or 300W AC)
- Power cable (US / EU / UK / CN)
- 2 × linear 6pin fan simulators (M20/M21-specific connector)
Pair with Additional Fan Simulators
- Whatsminer 6pin Fan Simulator for M20 / M21 Series
- 6pin Fan Simulator M20 / M21 Series – Hydro / Immersion
Install Workflow
Power off, unplug, remove 2 stock 140mm fans, plug linear 6pin fan simulator into each control board fan header, duct silencer 150mm outlet to M20/M21 chassis exhaust. Power up, monitor temperatures.
Whatsminer M20 / M21 Series Silver Industrial Silencer — Technical Specifications
| Parameter | 200W Variant | 300W Variant |
|---|---|---|
| Series | Silver Industrial | Silver Industrial |
| Motor | Pure-copper AC, 200W | Pure-copper AC, 300W |
| Speed Control | Fixed 1150 RPM | Fixed 1150 RPM |
| Air Volume | 1750 CFM | 2000 CFM |
| Power | 200W | 300W |
| Voltage | 220V AC, 50Hz | 220V AC, 50Hz |
| Outlet | 150mm flexible duct | 150mm flexible duct |
| Target Miners | M20, M20S, M21, M21S | M20, M20S, M21, M21S |
| Stock Fan Architecture | 2 × 140mm, linear 6pin | 2 × 140mm, linear 6pin |
| Included Fan Simulators | 2 × linear 6pin (M20/M21) | 2 × linear 6pin (M20/M21) |
| Power Cable | US / EU / UK / CN | US / EU / UK / CN |
| Condition | New | New |
Related Whatsminer Silencers
- Whatsminer M20 / M21 Series Black Mini Standard Silencer
- Whatsminer M30 / M31S / M32 Legacy Silver Industrial Silencer (next gen, square 4pin)
For bulk orders (10+ units) or 6pin simulator quantity quotes, contact us at contact@lys-sz.com.
Worldwide shipping from our Shenzhen warehouse. DDP delivery for USA & EU customers; rest of world ships from China with local customs on delivery.
Buying in bulk for a mining farm or repair shop?
Get dedicated B2B pricing on this part and across our full catalog — quote response within 24 hours, payment by T/T USD bank wire, and DDP delivery available for US & EU customers (and other lanes on request).
