{"id":1636,"date":"2025-10-22T23:42:48","date_gmt":"2025-10-22T20:42:48","guid":{"rendered":"https:\/\/fenikspolimer.com\/bitcoin-miner-s21-pro\/"},"modified":"2026-07-12T21:04:08","modified_gmt":"2026-07-12T18:04:08","slug":"bitcoin-miner-s21-pro","status":"publish","type":"page","link":"https:\/\/fenikspolimer.com\/en\/bitcoin-miner-s21-pro\/","title":{"rendered":"Bitcoin Miner S21 Pro"},"content":{"rendered":"\n  <div class=\"banner has-hover\" id=\"banner-1410216884\">\n          <div class=\"banner-inner fill\">\n        <div class=\"banner-bg fill\" >\n            <img loading=\"lazy\" decoding=\"async\" width=\"1400\" height=\"500\" src=\"https:\/\/fenikspolimer.com\/wp-content\/uploads\/2025\/10\/head.jpg\" class=\"bg attachment-original size-original\" alt=\"\" \/>                        <div class=\"overlay\"><\/div>            \n                    <\/div>\n\t\t\n        <div class=\"banner-layers container\">\n            <div class=\"fill banner-link\"><\/div>            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        <div class=\"box-image image-zoom\" >\n                <img loading=\"lazy\" decoding=\"async\" width=\"540\" height=\"540\" src=\"https:\/\/fenikspolimer.com\/wp-content\/uploads\/2025\/10\/Bitcoin-Miner-S21-Pro-2.jpg\" class=\"attachment-original size-original\" alt=\"\" ids=\"1534,1536,1538,1540\" style=\"normal\" lightbox_image_size=\"original\" type=\"slider-full\" slider_nav_style=\"simple\" slider_nav_color=\"light\" slider_nav_position=\"outside\" slider_bullets=\"true\" auto_slide=\"3000\" image_size=\"original\" image_hover=\"zoom\" srcset=\"https:\/\/fenikspolimer.com\/wp-content\/uploads\/2025\/10\/Bitcoin-Miner-S21-Pro-2.jpg 540w, https:\/\/fenikspolimer.com\/wp-content\/uploads\/2025\/10\/Bitcoin-Miner-S21-Pro-2-300x300.jpg 300w, https:\/\/fenikspolimer.com\/wp-content\/uploads\/2025\/10\/Bitcoin-Miner-S21-Pro-2-150x150.jpg 150w\" sizes=\"auto, (max-width: 540px) 100vw, 540px\" \/>                                                              <\/div>\n              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image_size=\"original\" image_hover=\"zoom\" srcset=\"https:\/\/fenikspolimer.com\/wp-content\/uploads\/2025\/10\/Bitcoin-Miner-S21-Pro-3.png 540w, https:\/\/fenikspolimer.com\/wp-content\/uploads\/2025\/10\/Bitcoin-Miner-S21-Pro-3-300x300.png 300w, https:\/\/fenikspolimer.com\/wp-content\/uploads\/2025\/10\/Bitcoin-Miner-S21-Pro-3-150x150.png 150w\" sizes=\"auto, (max-width: 540px) 100vw, 540px\" \/>                                                              <\/div>\n              <div class=\"box-text text-left\" >\n                 <p><\/p>\n              <\/div>\n            <\/div>\n            <\/a>          <\/div>\n         <\/div><\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1592043007\" class=\"col medium-7 small-12 large-7 small-col-first\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"text-3866810293\" class=\"text\">\n\t\t\n<div class=\"info\" data-v-22f45ac4=\"\" data-v-0148368e=\"\">\n<div class=\"product-title\" data-v-2903d882=\"\" data-v-22f45ac4=\"\" data-v-0148368e=\"\">\n<p data-v-2903d882=\"\"><span style=\"color: #000000;\"><strong><span style=\"font-size: 160%;\" data-v-2903d882=\"\">Bitcoin Miner S21 Pro<\/span><\/strong><\/span><\/p>\n<\/div>\n<div class=\"product-parameters\" data-v-69e0a82f=\"\" data-v-22f45ac4=\"\" data-v-0148368e=\"\">\n<div class=\"dimensions\" data-v-69e0a82f=\"\">\n<table class=\"title-box\" data-v-69e0a82f=\"\">\n<tbody>\n<tr data-v-69e0a82f=\"\">\n<td data-v-69e0a82f=\"\"><span style=\"color: #000000;\">Function<\/span><\/td>\n<td data-v-69e0a82f=\"\"><span style=\"color: #000000;\">BTC\/BCH\/BSV \u00a0SHA256 \u00a0Air-cooling Miner<\/span><\/td>\n<\/tr>\n<tr data-v-69e0a82f=\"\">\n<td data-v-69e0a82f=\"\"><span style=\"color: #000000;\">Specifications<\/span><\/td>\n<td class=\"parameter\" data-v-69e0a82f=\"\"><span style=\"color: #000000;\">234T 3510W 15J\/T<\/span><\/td>\n<\/tr>\n<tr data-v-69e0a82f=\"\">\n<td data-v-69e0a82f=\"\"><span style=\"color: #000000;\">Price<\/span><\/td>\n<td class=\"price\" data-v-69e0a82f=\"\">\n<div class=\"price-display\" data-v-e2f33270=\"\" data-v-69e0a82f=\"\">\n<div class=\"price-hash\" data-v-e2f33270=\"\"><span class=\"text-blue\" style=\"color: #000000;\" data-v-e2f33270=\"\">$6.5 \/ T<\/span><\/div>\n<div class=\"price-unit\" data-v-e2f33270=\"\"><span style=\"color: #000000;\" data-v-e2f33270=\"\"><span class=\"text-blue\" data-v-e2f33270=\"\">$1,521 \/ Unit <\/span><\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"profit-calculator\" style=\"display: none;\" data-v-07662fc5=\"\" data-v-69e0a82f=\"\"><span style=\"color: #000000;\">\ue637<\/span><\/p>\n<table class=\"title-box\" data-v-07662fc5=\"\">\n<tbody>\n<tr data-v-07662fc5=\"\">\n<td data-v-07662fc5=\"\"><span style=\"color: #000000;\">Profits $(Unit*24h)<\/span><\/td>\n<td data-v-07662fc5=\"\"><span style=\"color: #000000;\">$0.00<\/span><\/td>\n<\/tr>\n<tr data-v-07662fc5=\"\">\n<td data-v-07662fc5=\"\"><span style=\"color: #000000;\">Profits $(T*24h)<\/span><\/td>\n<td data-v-07662fc5=\"\"><span style=\"color: #000000;\">$0.00<\/span><\/td>\n<\/tr>\n<tr data-v-07662fc5=\"\">\n<td data-v-07662fc5=\"\"><span style=\"color: #000000;\">Electricity Cost Rate<\/span><\/td>\n<td data-v-07662fc5=\"\"><span style=\"color: #000000;\">0.00%<\/span><\/td>\n<\/tr>\n<tr data-v-07662fc5=\"\">\n<td data-v-07662fc5=\"\"><span style=\"color: #000000;\">Payback Period<\/span><\/td>\n<td data-v-07662fc5=\"\"><span style=\"color: #000000;\">0.00<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"calculator\" data-v-07662fc5=\"\">\n<div data-v-07662fc5=\"\"><span style=\"color: #000000;\">Electricity Price<\/span><\/div>\n<div class=\"el-input el-input--suffix\" data-v-07662fc5=\"\"><span style=\"color: #000000;\"><input class=\"el-input__inner\" autocomplete=\"off\" type=\"text\" \/><span class=\"el-input__suffix\"><span class=\"el-input__suffix-inner\"><span class=\"unit\" data-v-07662fc5=\"\">$\/kwh<\/span><\/span><\/span><\/span><\/div>\n<div data-v-07662fc5=\"\"><span style=\"color: #000000;\">Price<\/span><\/div>\n<div class=\"el-input el-input--suffix\" data-v-07662fc5=\"\"><span style=\"color: #000000;\"><input class=\"el-input__inner\" autocomplete=\"off\" type=\"text\" \/><span class=\"el-input__suffix\"><span class=\"el-input__suffix-inner\"><span class=\"unit\" data-v-07662fc5=\"\">$<\/span><\/span><\/span><\/span><\/div>\n<p>\u00a0<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"product-description\" data-v-af47d9e0=\"\" data-v-22f45ac4=\"\" data-v-0148368e=\"\">\n<div class=\"description\" data-v-af47d9e0=\"\">\n<div class=\"item\" data-v-af47d9e0=\"\">\u00a0<\/div>\n<div class=\"item\" data-v-af47d9e0=\"\">\n<div class=\"value\" data-v-af47d9e0=\"\">\u00a0<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\t\t\n<style>\n#text-3866810293 {\n  color: rgb(0,0,0);\n}\n#text-3866810293 > * {\n  color: rgb(0,0,0);\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-504391078\">\n\n\t<div id=\"col-1423954854\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"text-3549197316\" class=\"text\">\n\t\t\n<p>Performance Curves<\/p>\n<p>(1-1) The hashrate value, and power efficiency on wall are all typical values. The actual hashrate value fluctuates by \u00b13%, and the actual power efficiency on wall fluctuate by \u00b15%.<\/p>\n\t\t\n<style>\n#text-3549197316 {\n  color: rgb(0, 0, 0);\n}\n#text-3549197316 > * {\n  color: rgb(0, 0, 0);\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-1365135852\" class=\"text\">\n\t\t\n<div id=\"block1\" class=\"tuple\" data-v-22f45ac4=\"\" data-v-0148368e=\"\">\n<div class=\"info info-specifications\" data-v-22f45ac4=\"\" data-v-0148368e=\"\">\n<p><strong>Specifications<\/strong><\/p>\n<table>\n<tbody>\n<tr class=\"title\">\n<td><strong>Product Glance<\/strong><\/td>\n<td><strong>Value<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Model<\/td>\n<td>S21 Pro<\/td>\n<\/tr>\n<tr>\n<td>Crypto algorithm\/coins<\/td>\n<td>SHA256 | BTC\/BCH\/BSV<\/td>\n<\/tr>\n<tr>\n<td>\n<div>Typical hashrate,<strong>\u00a0TH\/s<\/strong><sup>(2-1)<\/sup>\u00a0<\/div>\n<\/td>\n<td rowspan=\"1\">\n<table>\n<tbody>\n<tr>\n<td>234<\/td>\n<td>220<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<tr>\n<td>Power on wall @25\u00b0C<sup>(2-2)<\/sup>,\u00a0<strong>Watt<\/strong><sup>(2-1)<\/sup><\/td>\n<td>\n<table>\n<tbody>\n<tr>\n<td>3510<\/td>\n<td>3300<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<tr>\n<td>Power efficiency on wall @25\u00b0C<sup>(2-2)<\/sup>,\u00a0<strong>J\/TH<\/strong><sup>(2-1)<\/sup><\/td>\n<td>15<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table>\n<tbody>\n<tr class=\"title\">\n<td><strong>Detailed Characteristics<\/strong><\/td>\n<td><strong>Value<\/strong><\/td>\n<\/tr>\n<tr class=\"sub-title\">\n<td><strong>Power supply<\/strong><\/td>\n<td>\u00a0<\/td>\n<\/tr>\n<tr>\n<td>Phase<\/td>\n<td>1<\/td>\n<\/tr>\n<tr>\n<td>Input voltage<sup>(3-1)<\/sup>\u00a0,\u00a0<strong>Volt<\/strong><\/td>\n<td>220~277<\/td>\n<\/tr>\n<tr>\n<td>Input frequency range,\u00a0<strong>Hz<\/strong><\/td>\n<td>50~60<\/td>\n<\/tr>\n<tr>\n<td>Maximum input current,\u00a0<strong>Amp<\/strong><\/td>\n<td>20<\/td>\n<\/tr>\n<tr class=\"sub-title\">\n<td><strong>Hardware Configuration<\/strong><\/td>\n<td>\u00a0<\/td>\n<\/tr>\n<tr>\n<td>Network connection mode<\/td>\n<td>RJ45 Ethernet 10\/100M<\/td>\n<\/tr>\n<tr>\n<td>Server size (length*width*height, w\/o package),\u00a0<strong>mm<\/strong><\/td>\n<td>450*219*293<\/td>\n<\/tr>\n<tr>\n<td>Server size (length*width*height, with package),\u00a0<strong>mm<\/strong><\/td>\n<td>630*350*430<\/td>\n<\/tr>\n<tr>\n<td>Net weight,\u00a0<strong>kg<\/strong><\/td>\n<td>18.5<\/td>\n<\/tr>\n<tr>\n<td>Gross weight,\u00a0<strong>kg<\/strong><\/td>\n<td>21.5<\/td>\n<\/tr>\n<tr>\n<td>Noise<sup>(3-2)<\/sup>@30\u2103,\u00a0<strong>dBA<\/strong><\/td>\n<td>76<\/td>\n<\/tr>\n<tr class=\"sub-title\">\n<td><strong>Environment Requirements<\/strong><\/td>\n<td>\u00a0<\/td>\n<\/tr>\n<tr>\n<td>Operation temperature,<strong>\u00b0C<\/strong><\/td>\n<td>-20~45<\/td>\n<\/tr>\n<tr>\n<td>Storage temperature,<strong>\u00b0C<\/strong><\/td>\n<td>-20~70<\/td>\n<\/tr>\n<tr>\n<td>Operation humidity(non-condensing),\u00a0<strong>RH<\/strong><\/td>\n<td>10%~90%<\/td>\n<\/tr>\n<tr>\n<td>Operation altitude<sup>(3-3)<\/sup>,\u00a0<strong>m<\/strong><\/td>\n<td>\u22642000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Notes:<\/strong><\/p>\n<p>(2-1) The Hashrate value, Power on wall, and Power efficiency on wall are all typical values, The actual Hashrate value fluctuates by \u00b13%, and the actual Power on wall and Power efficiency on wall fluctuate by \u00b15%.<\/p>\n<p>(2-2) Inlet air temperature.<\/p>\n<p>(3-1) Caution: Wrong input voltage may probably cause server damaged.<\/p>\n<p>(3-2) The noise is loudest when the fan is under maximum RPM(rotation per minute).<\/p>\n<p>(3-3) When the server is used at an altitude from 900m to 2000m, the highest operating temperature decreases by 1\u2103 for every increase of 300m.<\/p>\n<\/div>\n<\/div>\n<div id=\"block2\" class=\"tuple\" data-v-22f45ac4=\"\" data-v-0148368e=\"\">\n<div class=\"info\" data-v-22f45ac4=\"\" data-v-0148368e=\"\">\n<p><strong>|<\/strong>\u00a0<strong>Payment<\/strong><\/p>\n<hr \/>\n<p>1. USDT(TRC20), USDT(ERC20), BTC,ETC\u00a0and USD are accepted in this batch.<\/p>\n<p><strong>Do upload the bank proof of transfer within 48 hours. If no proof of transfer is loaded within this time period, the order will expire.<\/strong><\/p>\n<p>2. The shipping cost, customs charges and taxes (if any) are not included in the retail price shown above.<\/p>\n<p>3. Please fill your desired quantity, shipping address and select your preferred shipping service while placing an order to learn the shipping cost to your shipping address.<\/p>\n<p>4. Special Provision: After an order has been submitted, a request to cancel the order, refund any part of the ordered amount or change the ordered item(s) to different items(s) or different batch(es) WILL NOT BE ENTERTAINED by Bitmain. We advise you to make any purchase only after consideration.<\/p>\n<p>5. The unit price and total price of the products, the amount paid by you shall be all denominated in U.S. dollars.<\/p>\n<p>Please DO NOT place your order with anyone or anybody claiming to be an official Bitmain representative over email or Skype. It can be a scam and your confirmed order may never be delivered in such cases. Bitmain is neither responsible for nor offers any kind of compensation in such cases.<\/p>\n<p><strong>Note<\/strong>: The price of cryptocurrency mining machines has to be adjusted frequently in accordance with variables like the exchange rate of the cryptocurrency with fiat, the cryptocurrency&#8217;s network difficulty, or the expected difficulty increase. Refund requests based on price changes WILL NOT be honored.<\/p>\n<\/div>\n<\/div>\n<div id=\"block3\" class=\"tuple\" data-v-22f45ac4=\"\" data-v-0148368e=\"\">\n<div class=\"info\" data-v-22f45ac4=\"\" data-v-0148368e=\"\">\n<p><strong>|<\/strong>\u00a0<strong>Purchasing Guidelines<\/strong><\/p>\n<hr \/>\n<p>1. The shipping costs, customs charges, and taxes(if any) are not included in the retail price shown above.<\/p>\n<p>2. After an order has been submitted, a request to cancel the order, refund any part of the ordered amount or change the ordered item(s) to different item(s) or different batch(es) will not be entertained by BITMAIN.<\/p>\n<p>3.\u00a0The pictures shown are for reference only;\u00a0the final shipment version shall prevail.<\/p>\n<p><strong>|<\/strong>\u00a0<strong>Shipping Details<\/strong><\/p>\n<hr \/>\n<p>1. Shipments will be scheduled on a first-paid-first-ship basis for orders on which BITMAIN has received full payment.<\/p>\n<p>2. You are responsible for any customs delays or returned shipments due to a lack of proper documentation. It&#8217;s highly recommended to be aware of local customs clearance policies and to prepare all customs documentation ahead of time to avoid any customs clearance delays or unexpected costs.\u00a0<\/p>\n<\/div>\n<\/div>\n<div id=\"block4\" class=\"tuple\" data-v-22f45ac4=\"\" data-v-0148368e=\"\">\n<div class=\"info\" data-v-22f45ac4=\"\" data-v-0148368e=\"\">\n<p><strong>|<\/strong>\u00a0<strong>Warranty<\/strong><\/p>\n<hr \/>\n<p>1. A 365-day warranty is provided starting from the shipping date. BITMAIN will cover shipping costs when shipping a replacement unit within the warranty period.<\/p>\n<p>2. The warranty only applies to the original purchaser who purchased the machine directly from BITMAIN. Once the miner is resold, warranty coverage becomes the responsibility of the re-seller.<\/p>\n<p>3. If the user fails to use the product per the given instructions, specifications, and conditions provided or changes the function settings of the unit without BITMAIN&#8217;s prior consent, BITMAIN will not be liable for any damage arising therefrom.<\/p>\n<\/div>\n<\/div>\n\t\t\n<style>\n#text-1365135852 {\n  color: rgb(0, 0, 0);\n}\n#text-1365135852 > * {\n  color: rgb(0, 0, 0);\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-transparent-header-light.php","meta":{"footnotes":""},"class_list":["post-1636","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Bitcoin Miner S21 Pro - FENIKS POLIMER Foreign Trade Industry and Trade Limited Company<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fenikspolimer.com\/en\/bitcoin-miner-s21-pro\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bitcoin Miner S21 Pro - 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