{"product_id":"antminer-s21-pro-family-silver-industrial-silencer-blower-pure-copper","title":"Antminer S21 Pro \/ S21 Pro+ \/ S21 XP \/ S21+ Silver Industrial Silencer – Pure Copper AC","description":"\u003ch2\u003eAntminer S21 Pro \/ S21 Pro+ \/ S21 XP \/ S21+ Silver Industrial Silencer – Pure Copper AC for 140mm Square 4pin Chassis\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 heavy industrial pick. Silver metal housing, full pure-copper AC motor, 1750-2000 CFM airflow ceiling. All four variants share the same chassis architecture (4× 140mm fans on square 4pin connectors) so this single silencer covers all of them. Bundle includes \u003cstrong\u003e4 × square 4pin fan simulators\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhy the Silver Industrial Series for the S21 Pro Family\u003c\/h3\u003e\n\u003cp\u003eThe S21 Pro family pushes more hash and more thermal load than the base S21. The Silver Industrial's 1750-2000 CFM airflow and robust pure-copper AC motor are the recommended floor — anything less risks thermal throttling on warm days. Robust metal housing for permanent install, longest service life in the line. Compact alternative? See our \u003ca href=\"\/products\/antminer-s21-pro-family-black-mini-silencer-blower-brushless-dc-compact\"\u003eAntminer S21 Pro Family Black Mini Silencer\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Silver Industrial blower silencer (200W\/300W, 1750-2000 CFM, pure-copper AC motor)\u003c\/li\u003e\n\u003cli\u003ePower cable matched to your selected plug (US \/ EU \/ UK \/ CN)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 × square 4pin fan simulators\u003c\/strong\u003e for your control board\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. Duct the silencer's 150mm outlet to the chassis exhaust using your own flexible coupler. Power up, monitor hashboard temperatures for the first hour. Verify duct sealing tight — S21 Pro family thermal margin is tighter than base S21.\u003c\/p\u003e\n\u003ch4\u003eAntminer S21 Pro Family Silver Industrial 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;\"\u003eSilver Industrial — Metal 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;\"\u003eFull pure-copper 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;\"\u003eFixed 1150 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;\"\u003e1750 CFM \/ 2000 CFM\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;\"\u003e200W \/ 300W\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 flexible duct (your own coupler)\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 Fan Simulators\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003e4 × square 4pin simulators\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-black-mini-silencer-blower-brushless-dc-compact\"\u003eAntminer S21 Pro Family Black Mini Silencer (Compact + Exhaust Adapter)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/antminer-s21-t21-silver-industrial-silencer-blower-pure-copper-1750cfm\"\u003eAntminer S21 \/ T21 Silver Industrial Silencer (120mm fans)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/300w-whatsminer-air-cooler-and-silencer-for-enhanced-mining-performance\"\u003e300W Universal Premium Silver Industrial Silencer (2000 CFM)\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":"200W \/ EU","offer_id":45541107826867,"sku":null,"price":64.0,"currency_code":"USD","in_stock":true},{"title":"200W \/ US","offer_id":45541107859635,"sku":null,"price":64.0,"currency_code":"USD","in_stock":true},{"title":"200W \/ UK","offer_id":45541107892403,"sku":null,"price":64.0,"currency_code":"USD","in_stock":true},{"title":"200W \/ CN","offer_id":45541107925171,"sku":null,"price":64.0,"currency_code":"USD","in_stock":true},{"title":"300W \/ EU","offer_id":45541107957939,"sku":null,"price":66.0,"currency_code":"USD","in_stock":true},{"title":"300W \/ US","offer_id":45541107990707,"sku":null,"price":66.0,"currency_code":"USD","in_stock":true},{"title":"300W \/ UK","offer_id":45541108023475,"sku":null,"price":66.0,"currency_code":"USD","in_stock":true},{"title":"300W \/ CN","offer_id":45541108056243,"sku":null,"price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/6710\/4179\/files\/antminer-s21-pro-family-silver-industrial-silencer-rack.webp?v=1779953244","url":"https:\/\/lys-sz.com\/products\/antminer-s21-pro-family-silver-industrial-silencer-blower-pure-copper","provider":"LYS Shenzhen","version":"1.0","type":"link"}