{"product_id":"whatsminer-m20-m21-series-mini-silencer-300w-400w","title":"Whatsminer M20 \/ M20S \/ M21 \/ M21S Mini Silencer (300W or 400W) 140mm Adapter","description":"\u003ch2\u003eWhatsminer M20 \/ M21 Series Black Mini Standard Silencer – Compact AC Motor (Choose 300W or 400W) with Dedicated 140mm Exhaust Adapter\u003c\/h2\u003e\n\u003cp\u003eQuiet the legacy Whatsminer \u003cstrong\u003eM20, M20S, M21 and M21S\u003c\/strong\u003e with the compact home pick. Black plastic, AC capacitor motor in your \u003cstrong\u003echoice of 300W or 400W\u003c\/strong\u003e. Note: M20\/M21 uses a \u003cstrong\u003elinear 6pin fan connector\u003c\/strong\u003e (different from M30 and later). Bundle includes \u003cstrong\u003e140mm exhaust adapter\u003c\/strong\u003e + 2 × linear 6pin fan simulators. Heavy alternative? \u003ca href=\"\/products\/200w-whatsminer-air-cooler-silencer-noise-reduction-cryptominer\"\u003eSilver Industrial version\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eChoose Your Motor — 300W or 400W\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e300W AC motor\u003c\/strong\u003e: quieter, moderate ambient. \u003cstrong\u003e400W AC motor\u003c\/strong\u003e: higher airflow ceiling. Each motor has its own multi-position speed switch.\u003c\/p\u003e\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Black Mini Standard silencer (300W or 400W AC motor — your choice)\u003c\/li\u003e\n\u003cli\u003eSpeed switch on motor\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDedicated 140mm exhaust adapter for M20 \/ M21 series\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003ePower cable (US \/ EU \/ UK \/ CN)\u003c\/li\u003e\n\u003cli\u003e2 × linear 6pin fan simulators (M20\/M21-specific connector)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePair with Additional Fan Simulators\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/6pin-whatsminer-fan-simulator-immersion-cooling-m31-m31s\"\u003eWhatsminer 6pin Fan Simulator for M20 \/ M21 Series\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/6pin-fan-simulator-immersion-cooling-innosilicon-whatsminer\"\u003e6pin Fan Simulator M20 \/ M21 Series – Hydro \/ Immersion\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstall Workflow\u003c\/h3\u003e\n\u003cp\u003ePower off, unplug, remove 2 stock 140mm fans, plug linear 6pin fan simulator into each header, attach 140mm adapter to M20\/M21 chassis, mate Black Mini outlet to adapter, power up, set speed switch mid-position, monitor temperatures.\u003c\/p\u003e\n\u003ch4\u003eWhatsminer M20 \/ M21 Series Black Mini Standard Silencer — Technical Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px;\"\u003e300W Variant\u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 6px 12px;\"\u003e400W Variant\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eSeries\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eBlack Mini Standard\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eBlack Mini Standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eMotor\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003e300W AC capacitor\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003e400W AC capacitor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eSpeed Control\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eMulti-position speed switch\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eMulti-position speed switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eAir Volume\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003e~900 m³\/h\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003e~1100 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003ePower\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003e300W\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003e400W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eVoltage\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003e220V AC, 50Hz\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003e220V AC, 50Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eOutlet\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003e150mm + 140mm M20\/M21 adapter\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003e150mm + 140mm M20\/M21 adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eTarget Miners\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eM20, M20S, M21, M21S\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eM20, M20S, M21, M21S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eStock Fan Architecture\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003e2 × 140mm, linear 6pin\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003e2 × 140mm, linear 6pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eIncluded\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003e2 × linear 6pin + 140mm adapter\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003e2 × linear 6pin + 140mm adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003ePower Cable\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eUS \/ EU \/ UK \/ CN\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eUS \/ EU \/ UK \/ CN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eCondition\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eNew\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch3\u003eRelated Whatsminer Silencers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/200w-whatsminer-air-cooler-silencer-noise-reduction-cryptominer\"\u003eWhatsminer M20 \/ M21 Series Silver Industrial Silencer\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/whatsminer-m30-m31s-m32-black-mini-silencer-300w-400w\"\u003eWhatsminer M30 \/ M31S \/ M32 Legacy Black Mini Standard Silencer (next gen, square 4pin)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor bulk orders (10+ units) or 6pin simulator quantity quotes, \u003ca href=\"mailto:contact@lys-sz.com\"\u003econtact us at contact@lys-sz.com\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eWorldwide shipping from our Shenzhen warehouse. DDP delivery for USA \u0026amp; EU customers; rest of world ships from China with local customs on delivery.\u003c\/p\u003e","brand":"LYS Shenzhen","offers":[{"title":"300W \/ US","offer_id":45543044087987,"sku":null,"price":64.0,"currency_code":"USD","in_stock":true},{"title":"300W \/ EU","offer_id":45543044120755,"sku":null,"price":64.0,"currency_code":"USD","in_stock":true},{"title":"300W \/ UK","offer_id":45543044153523,"sku":null,"price":64.0,"currency_code":"USD","in_stock":true},{"title":"300W \/ CN","offer_id":45543044186291,"sku":null,"price":64.0,"currency_code":"USD","in_stock":true},{"title":"400W \/ US","offer_id":45543044219059,"sku":null,"price":66.0,"currency_code":"USD","in_stock":true},{"title":"400W \/ EU","offer_id":45543044251827,"sku":null,"price":66.0,"currency_code":"USD","in_stock":true},{"title":"400W \/ UK","offer_id":45543044284595,"sku":null,"price":66.0,"currency_code":"USD","in_stock":true},{"title":"400W \/ CN","offer_id":45543044317363,"sku":null,"price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/6710\/4179\/files\/whatsminer-series-black-mini-standard-silencer-bundle.webp?v=1780033583","url":"https:\/\/lys-sz.com\/products\/whatsminer-m20-m21-series-mini-silencer-300w-400w","provider":"LYS Shenzhen","version":"1.0","type":"link"}