{"id":95994,"date":"2026-04-07T19:41:01","date_gmt":"2026-04-07T16:41:01","guid":{"rendered":"https:\/\/u1f987.com\/en\/?p=95994"},"modified":"2026-04-07T19:45:21","modified_gmt":"2026-04-07T16:45:21","slug":"bitdeer-launches-sealminer-a4-bitcoin-miner-with-9-45-j-th-energy-efficiency","status":"publish","type":"post","link":"https:\/\/u1f987.com\/en\/bitdeer-launches-sealminer-a4-bitcoin-miner-with-9-45-j-th-energy-efficiency\/","title":{"rendered":"Bitdeer Launches SEALMINER A4 Bitcoin Miner with 9.45 J\/TH Energy Efficiency"},"content":{"rendered":"<p>Bitdeer has commenced sales of its SEALMINER A4 series bitcoin mining rigs. The flagship model of the new series boasts an energy efficiency of 9.45 J\/TH.<\/p>\n<blockquote class=\"twitter-tweet\" data-lang=\"en\">\n<p lang=\"en\" dir=\"ltr\">The <a href=\"https:\/\/twitter.com\/SealMiner?ref_src=twsrc%5Etfw\">@SealMiner<\/a> A4 Series has officially launched.<br \/>Up to 900 TH\/s. As low as 9.45 J\/TH.<br \/>Explore the full lineup \ud83d\udee0\ufe0f <a href=\"https:\/\/t.co\/F4mQD3g8vj\">https:\/\/t.co\/F4mQD3g8vj<\/a><a href=\"https:\/\/twitter.com\/hashtag\/Bitcoin?src=hash&#038;ref_src=twsrc%5Etfw\">#Bitcoin<\/a> <a href=\"https:\/\/twitter.com\/hashtag\/BitcoinMining?src=hash&#038;ref_src=twsrc%5Etfw\">#BitcoinMining<\/a> <a href=\"https:\/\/twitter.com\/hashtag\/BTC?src=hash&#038;ref_src=twsrc%5Etfw\">#BTC<\/a> <a href=\"https:\/\/twitter.com\/hashtag\/Hashrate?src=hash&#038;ref_src=twsrc%5Etfw\">#Hashrate<\/a> <a href=\"https:\/\/twitter.com\/hashtag\/MiningRig?src=hash&#038;ref_src=twsrc%5Etfw\">#MiningRig<\/a> <a href=\"https:\/\/t.co\/egF0PtuzNK\">pic.twitter.com\/egF0PtuzNK<\/a><\/p>\n<p>\u2014 Bitdeer (@BitdeerOfficial) <a href=\"https:\/\/twitter.com\/BitdeerOfficial\/status\/2041495112090542172?ref_src=twsrc%5Etfw\">April 7, 2026<\/a><\/p><\/blockquote>\n<p> <script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>The device in question is the ASIC miner A4 Ultra Hydro. It is designed for installation in standard server racks and provides a <a href=\"https:\/\/u1f987.com\/en\/news\/what-are-hashrate-and-mining-difficulty-in-cryptocurrencies\">hashrate<\/a> of 886 TH\/s.<\/p>\n<p>The lower-end model, SEALMINER A4 Pro Hydro, shares a similar form factor and delivers 680 TH\/s with an energy efficiency of 10.9 J\/TH. Both units are intended for use in hydro-cooling systems and, according to the manufacturer, maintain operational stability across extreme temperatures ranging from -20\u00b0C to 55\u00b0C.<\/p>\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u201cRegardless of the environment, the main components remain in the \u2018optimal comfort zone\u2019 to achieve maximum efficiency,\u201d the description states.<\/p>\n<\/blockquote>\n<p>The A4 Pro Air miner, featuring air cooling, is equipped with four fans but operates \u201cwith low noise,\u201d according to Bitdeer. This unit provides a hashrate of 336 TH\/s with an energy efficiency of 10.9 J\/TH. The specifications are guaranteed for a temperature range of -20\u00b0C to 50\u00b0C.<\/p>\n<h2 class=\"wp-block-heading\">The Race for Efficiency<\/h2>\n<p>In November 2025, American manufacturer Auradine <a href=\"https:\/\/u1f987.com\/en\/news\/auradine-unveils-bitcoin-miner-with-9-8-j-th-energy-efficiency\">announced<\/a> its third-generation Teraflux bitcoin mining rigs, offering efficiencies of up to 9.8 J\/TH for models with liquid and immersion cooling. Sales were planned for the second quarter of 2026. At the time of writing, a press release is absent from the company&#8217;s website. Models with efficiencies ranging from 17.5 to 19 J\/TH are <a href=\"https:\/\/velaura.ai\/products\/\">available<\/a> to buyers.<\/p>\n<p>Among the devices available on the market, only the flagship Antminer S23 series miners from Bitmine, <a href=\"https:\/\/u1f987.com\/en\/news\/bitmain-unveils-bitcoin-miner-with-9-5-j-th-energy-efficiency\">introduced<\/a> in May 2025, have achieved energy efficiencies of 9.5 J\/TH.<\/p>\n<p>According to <a href=\"https:\/\/www.antpool.com\/minerIncomeRank\">Antpool<\/a>, these units top the profitability rankings for bitcoin mining. They are rivaled by the most powerful model from the previous SEALMINER A3 lineup.<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/u1f987.com\/wp-content\/uploads\/img-221463a86045a7f8-1181019365418089.webp\" alt=\"ANTPOOL - Miner Revenue Ranking - Google Chrome\" class=\"wp-image-278129\"\/><figcaption class=\"wp-element-caption\">Source: Antpool.<\/figcaption><\/figure>\n<p>In March, Bitdeer <a href=\"https:\/\/u1f987.com\/en\/news\/bitdeer-unveils-asic-miner-for-litecoin-and-dogecoin\">released<\/a> the SEALMINER DL1 Air unit for mining cryptocurrencies that use the Scrypt hashing algorithm, including <a href=\"https:\/\/u1f987.com\/en\/news\/what-is-litecoin-ltc\">Litecoin<\/a> and <a href=\"https:\/\/u1f987.com\/en\/news\/what-is-dogecoin-doge\">Dogecoin<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bitdeer has commenced sales of its SEALMINER A4 series bitcoin mining rigs. The flagship model of the new series boasts an energy efficiency of 9.45 J\/TH.<\/p>\n","protected":false},"author":1,"featured_media":95995,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"select":"1","news_style_id":"1","cryptorium_level":"","_short_excerpt_text":"Bitdeer launches SEALMINER A4 series with 9.45 J\/TH efficiency.","creation_source":"","_metatest_mainpost_news_update":false,"footnotes":""},"categories":[3],"tags":[1137],"class_list":["post-95994","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-and-analysis","tag-cryptocurrency-mining"],"aioseo_notices":[],"amp_enabled":true,"views":"8","promo_type":"1","layout_type":"1","short_excerpt":"Bitdeer launches SEALMINER A4 series with 9.45 J\/TH efficiency.","is_update":"","_links":{"self":[{"href":"https:\/\/u1f987.com\/en\/wp-json\/wp\/v2\/posts\/95994","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/u1f987.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/u1f987.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/u1f987.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/u1f987.com\/en\/wp-json\/wp\/v2\/comments?post=95994"}],"version-history":[{"count":1,"href":"https:\/\/u1f987.com\/en\/wp-json\/wp\/v2\/posts\/95994\/revisions"}],"predecessor-version":[{"id":95996,"href":"https:\/\/u1f987.com\/en\/wp-json\/wp\/v2\/posts\/95994\/revisions\/95996"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/u1f987.com\/en\/wp-json\/wp\/v2\/media\/95995"}],"wp:attachment":[{"href":"https:\/\/u1f987.com\/en\/wp-json\/wp\/v2\/media?parent=95994"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/u1f987.com\/en\/wp-json\/wp\/v2\/categories?post=95994"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/u1f987.com\/en\/wp-json\/wp\/v2\/tags?post=95994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}