{"product_id":"antminer-s21-pro-series-black-mini-silencer-blower","title":"Antminer S21 Pro \/ S21 Pro+ \/ S21 XP \/ S21+ Mini Silencer – Compact Blower (140mm Fans Exhaust Adapter)","description":"\u003ch2\u003eAntminer S21 Pro \/ S21 Pro+ \/ S21 XP \/ S21+ Black Mini Silencer – Compact Blower with Dedicated 140mm Exhaust Adapter\u003c\/h2\u003e\n\u003cp\u003eQuiet the air-cooled S21 family's high-output variants — \u003cstrong\u003eS21 Pro, S21 Pro+, S21 XP and S21+\u003c\/strong\u003e — with the compact home pick. Black plastic housing, motor with stepless speed knob, sized for the 140mm fan chassis. Bundle includes a \u003cstrong\u003ededicated 140mm exhaust adapter\u003c\/strong\u003e that mates the Black Mini outlet to the S21 Pro family chassis exhaust — plug-and-play seal. Heavy industrial alternative? See our \u003ca href=\"\/products\/antminer-s21-pro-family-silver-industrial-silencer-blower-pure-copper-1750cfm\"\u003eAntminer S21 Pro Family Silver Industrial Silencer\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhy the Black Mini Series (with caveats for S21 Pro family)\u003c\/h3\u003e\n\u003cp\u003eThe Black Mini is compact and discreet — ideal for home installs of an S21 Pro \/ Pro+ \/ XP \/ Plus. But these high-output variants push the air-cooled envelope; the Black Mini's 1300 m³\/h ceiling holds at moderate ambient but tightens in warm climates or dense rack stacks. The stepless knob (1800-7000 RPM) is your headroom — dial up to the ceiling on hot days. If your install runs warm year-round, the Silver Industrial may be the safer pick.\u003c\/p\u003e\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Black Mini blower silencer (1300 m³\/h, stepless 1800-7000 RPM)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDedicated exhaust adapter for Antminer S21 Pro \/ Pro+ \/ XP \/ Plus (140mm fan chassis)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003ePower cable matched to your selected plug (US \/ EU \/ UK \/ CN)\u003c\/li\u003e\n\u003cli\u003e4 × square 4pin fan simulators\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePair with the Right Fan Simulator (if you need additional units)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/antminer-s21-t21-fan-speed-simulator-water-cooling-silencer-blower\"\u003eAntminer S21 \/ T21 Fan Speed Simulator\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/antminer-fan-speed-simulator-4-in-1\"\u003eAntminer 4-in-1 Fan Speed Simulator\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstall Workflow\u003c\/h3\u003e\n\u003cp\u003ePower off, unplug, remove the 4 stock 140mm fans. Plug a square 4pin fan simulator into each control board fan header. Attach the included exhaust adapter to the miner chassis, then mate the Black Mini outlet to the adapter. Power up, set the stepless knob to ~70% on first boot, monitor chip-junction telemetry for the first hour at full hash, trim down for silence only after confirming thermal margin.\u003c\/p\u003e\n\u003ch4\u003eAntminer S21 Pro Family Black Mini 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;\"\u003eValue\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 — Compact Plastic Housing\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;\"\u003elow power\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;\"\u003eStepless knob, 1800-7000 RPM\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;\"\u003e1300 m³\/h at full speed\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 \/ 400W\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\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 + dedicated 140mm S21 Pro family exhaust 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;\"\u003eAntminer S21 Pro, S21 Pro+, S21 XP, S21+ (air-cooled, 140mm fans)\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;\"\u003e4 × 140×140×38mm, square 4pin connector\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;\"\u003e4 × square 4pin fan simulators + dedicated exhaust 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 — select at order\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\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ch3\u003eRelated Antminer Silencers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/antminer-s21-pro-family-silver-industrial-silencer-blower-pure-copper-1750cfm\"\u003eAntminer S21 Pro Family Silver Industrial Silencer (Heavy Industrial — recommended for warm climates)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/antminer-s21-t21-black-mini-silencer-blower-brushless-dc-compact\"\u003eAntminer S21 \/ T21 Black Mini Silencer (120mm fans)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/gen2-blower-silencer-asic-miner-antminer-whatsminer-avalon-iceriver\"\u003eGen2 Premium Black Mini Universal Silencer\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOrder online or \u003ca href=\"mailto:contact@lys-sz.com\"\u003econtact us at contact@lys-sz.com\u003c\/a\u003e for fleet pricing.\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":45541370462387,"sku":null,"price":66.0,"currency_code":"USD","in_stock":true},{"title":"300W \/ EU","offer_id":45541370495155,"sku":null,"price":66.0,"currency_code":"USD","in_stock":true},{"title":"300W \/ UK","offer_id":45541370527923,"sku":null,"price":66.0,"currency_code":"USD","in_stock":true},{"title":"300W \/ CN","offer_id":45541370560691,"sku":null,"price":66.0,"currency_code":"USD","in_stock":true},{"title":"400W \/ US","offer_id":45541370593459,"sku":null,"price":68.0,"currency_code":"USD","in_stock":true},{"title":"400W \/ EU","offer_id":45541370626227,"sku":null,"price":68.0,"currency_code":"USD","in_stock":true},{"title":"400W \/ UK","offer_id":45541370658995,"sku":null,"price":68.0,"currency_code":"USD","in_stock":true},{"title":"400W \/ CN","offer_id":45541370691763,"sku":null,"price":68.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/6710\/4179\/files\/antminer-s21-pro-family-black-mini-silencer-stepless-knob.webp?v=1779967583","url":"https:\/\/lys-sz.com\/products\/antminer-s21-pro-series-black-mini-silencer-blower","provider":"LYS Shenzhen","version":"1.0","type":"link"}