{"id":34917,"date":"2025-05-13T12:34:18","date_gmt":"2025-05-13T10:34:18","guid":{"rendered":"https:\/\/onlybestminers.com\/produkt\/bitmain-antminer-s21-hydro\/"},"modified":"2026-08-03T11:53:19","modified_gmt":"2026-08-03T09:53:19","slug":"bitmain-antminer-s21-hydro","status":"publish","type":"product","link":"https:\/\/onlybestminers.com\/en\/produkt\/bitmain-antminer-s21-hydro\/","title":{"rendered":"BITMAIN Antminer S21+ Hydro"},"content":{"rendered":"
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Professional ASIC Miner<\/div>\n

BITMAIN Antminer S21+ Hydro<\/h2>\n

The BITMAIN Antminer S21+ Hydro is a professional ASIC miner.<\/p>\n<\/section>\n

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Hashrate<\/div>\n
338\u2013395 TH\/s<\/div>\n<\/div>\n
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Power consumption<\/div>\n
5360\u20135925 W<\/div>\n<\/div>\n
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Efficiency<\/div>\n
15.00\u201315.86<\/div>\n<\/div>\n<\/div>\n<\/section>\n
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Why Choose the BITMAIN Antminer S21+ Hydro?<\/h2>\n
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High computing power<\/div>\n
The device’s specifications were designed with efficient cryptocurrency mining in mind.<\/div>\n<\/div>\n
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Effective Air Cooling<\/div>\n
Efficient airflow aids in heat dissipation during continuous operation of the device.<\/div>\n<\/div>\n
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Reliable 24\/7 operation<\/div>\n
The device is designed for stable, round-the-clock operation.<\/div>\n<\/div>\n
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Simple setup<\/div>\n
Setting up and configuring the device is straightforward and convenient.<\/div>\n<\/div>\n
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Control Panel<\/div>\n
The built-in panel allows you to control the device’s settings and operating parameters.<\/div>\n<\/div>\n
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Warranty<\/div>\n
This device is covered by OnlyBestMiners’ warranty and after-sales support.<\/div>\n<\/div>\n<\/div>\n<\/section>\n
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Available versions of the device<\/h2>\n
<\/div>\n
\n\n\n\n\n\n\n\n
Version<\/th>\nHashrate<\/th>\nPower Consumption<\/th>\nEfficiency<\/th>\n<\/tr>\n<\/thead>\n
BITMAIN Antminer S21+ Hydro \u2013 338th \u2013 338 TH\/s<\/td>\n338 TH\/s<\/td>\n5,360 W<\/td>\n15.86<\/td>\n<\/tr>\n
BITMAIN Antminer S21+ Hydro \u2013 358th \u2013 358 TH\/s<\/td>\n358 TH\/s<\/td>\n5,370 W<\/td>\n15.00<\/td>\n<\/tr>\n
BITMAIN Antminer S21+ Hydro \u2013 395th \u2013 395 TH\/s<\/td>\n395 TH\/s<\/td>\n5,925 W<\/td>\n15.00<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n
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Technical specifications<\/h2>\n
<\/div>\n
\n
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Model<\/div>\n
BITMAIN Antminer S21+ Hydro<\/div>\n<\/div>\n
\n
Hashrate<\/div>\n
338\u2013395 TH\/s<\/div>\n<\/div>\n
\n
Power consumption<\/div>\n
5360\u20135925 W<\/div>\n<\/div>\n
\n
Efficiency<\/div>\n
15.00\u201315.86<\/div>\n<\/div>\n
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Cooling<\/div>\n
Air<\/div>\n<\/div>\n
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Network connection<\/div>\n
RJ45 Ethernet 10\/100 Mbps<\/div>\n<\/div>\n<\/div>\n<\/section>\n
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Important Before Starting the Device<\/h2>\n
<\/div>\n
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Power Supply<\/div>\n
The electrical system must be properly configured to support continuous operation of the device, which has a power consumption of 5,360\u20135,925 W.<\/div>\n<\/div>\n
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Cooling<\/div>\n
The device uses air cooling. Ensure a supply of cool air, effective exhaust of hot air, and adequate ventilation in the room. <\/div>\n<\/div>\n
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Network connection<\/div>\n
A 10\/100 Mb\/s RJ45 Ethernet connection is used for configuring and operating the device.<\/div>\n<\/div>\n<\/div>\n<\/section>\n
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Don’t have a suitable place for an excavator?<\/div>\n

Professional ASIC Miner Hosting<\/h2>\n

OnlyBestMiners offers the option to place your equipment in a professionally prepared facility with adequate power, ventilation, internet access, and technical support. We create the ideal conditions for your machines. <\/p>\n<\/div>\n

Check out our web hosting<\/a><\/div>\n<\/div>\n<\/section>\n
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Why should you buy from OnlyBestMiners?<\/h2>\n
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01<\/div>\n
Help with selection<\/div>\n
We’ll help you choose a device that suits your needs and budget.<\/div>\n<\/div>\n
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02<\/div>\n
Configuration<\/div>\n
We help you get started and connect to the pool.<\/div>\n<\/div>\n
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03<\/div>\n
ASIC Service<\/div>\n
We provide specialized service support for ASIC excavators.<\/div>\n<\/div>\n
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04<\/div>\n
Web Hosting<\/div>\n
The option to house the device in our server room.<\/div>\n<\/div>\n<\/div>\n<\/section>\n
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Important Information About Profitability<\/div>\n

The profitability of a mining rig is not constant. It depends, among other things, on the cryptocurrency exchange rate, network difficulty, pool fees, and energy costs. The results provided by calculators are for reference only. <\/p>\n<\/section>\n

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Do you need help choosing a device?<\/h2>\n

Contact the OnlyBestMiners team. We’ll help you choose a device that fits your energy costs, technical conditions, and planned operating conditions. <\/p>\n

Contact us<\/a><\/p>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Professional ASIC Miner BITMAIN Antminer S21+ Hydro The BITMAIN Antminer S21+ Hydro is a professional ASIC miner. Hashrate 338\u2013395 TH\/s Power consumption 5360\u20135925 W Efficiency 15.00\u201315.86 Why Choose the BITMAIN<\/p>\n","protected":false},"featured_media":36736,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[757,762,761,758,854,840,848,847],"product_tag":[881,882,884,769,1561,765],"class_list":{"0":"post-34917","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-asic-cryptocurrency-miners","7":"product_cat-hydro-asic-cryptocurrency-diggers","8":"product_cat-new","9":"product_cat-sha-256-en","10":"product_cat-bitmain-en","11":"product_cat-hydro-en","12":"product_cat-recovery-heat","13":"product_cat-sha-256-nowe-en","14":"product_tag-antminer-en","15":"product_tag-bcc-en","16":"product_tag-bitmain-en","17":"product_tag-btc-en","18":"product_tag-hydro","19":"product_tag-sha-256-en","21":"first","22":"instock","23":"taxable","24":"shipping-taxable","25":"purchasable","26":"product-type-variable"},"acf":[],"_links":{"self":[{"href":"https:\/\/onlybestminers.com\/en\/wp-json\/wp\/v2\/product\/34917","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onlybestminers.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/onlybestminers.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/onlybestminers.com\/en\/wp-json\/wp\/v2\/comments?post=34917"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/onlybestminers.com\/en\/wp-json\/wp\/v2\/media\/36736"}],"wp:attachment":[{"href":"https:\/\/onlybestminers.com\/en\/wp-json\/wp\/v2\/media?parent=34917"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/onlybestminers.com\/en\/wp-json\/wp\/v2\/product_brand?post=34917"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/onlybestminers.com\/en\/wp-json\/wp\/v2\/product_cat?post=34917"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/onlybestminers.com\/en\/wp-json\/wp\/v2\/product_tag?post=34917"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}