{"product_id":"bitmain-antminer-s21-151th-bitcoin-miner","title":"Bitmain Antminer S21 Bitcoin Miner 151 TH\/s — 2643W SHA-256","description":"\u003cstyle\u003e\n  .mh-pd{font-family:'Exo 2',Arial,sans-serif;color:#C8D6E8;line-height:1.6;max-width:780px}\n  .mh-pd h2{font-family:'Rajdhani','Arial Black',sans-serif;font-size:26px;font-weight:700;color:#FFFFFF;margin:0 0 10px;letter-spacing:0.3px}\n  .mh-pd h3{font-family:'Rajdhani','Arial Black',sans-serif;font-size:17px;font-weight:700;color:#F5A32A;margin:28px 0 10px;letter-spacing:0.3px;text-transform:uppercase}\n  .mh-pd p{font-size:14px;color:#C8D6E8;margin:0 0 16px}\n  .mh-pd strong{color:#FFFFFF}\n  .mh-pd ul{list-style:none;padding:0;margin:0 0 20px;display:grid;grid-template-columns:1fr 1fr;gap:7px}\n  .mh-pd ul li{font-size:13.5px;color:#C8D6E8;padding-left:18px;position:relative}\n  .mh-pd ul li::before{content:'';position:absolute;left:0;top:7px;width:6px;height:6px;border-radius:50%;background:#F5A32A}\n  .mh-pd ul 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Black',sans-serif;font-size:16px;font-weight:700;color:#F5A32A;text-align:left;padding-bottom:10px;letter-spacing:0.05em;text-transform:uppercase;caption-side:top}\n  .mh-pd table th{background:rgba(245,163,42,0.12);color:#F5A32A;font-weight:600;font-size:11px;letter-spacing:0.1em;text-transform:uppercase;padding:9px 14px;text-align:left;border-bottom:1px solid rgba(245,163,42,0.2)}\n  .mh-pd table td{padding:9px 14px;border-bottom:1px solid rgba(255,255,255,0.05);color:#C8D6E8;vertical-align:top}\n  .mh-pd table tr:last-child td{border-bottom:none}\n  .mh-pd table tr:nth-child(even) td{background:rgba(255,255,255,0.02)}\n  .mh-pd table td:first-child{color:#8A9BB5;font-size:12px;width:42%}\n  .mh-pd table td strong{color:#FFFFFF;font-weight:600}\n  .mh-pd table td .sub{display:block;font-size:11px;color:#5A7298;margin-top:2px}\n  .mh-pd .disclaimer{background:rgba(255,255,255,0.03);border-left:2px solid rgba(90,114,152,0.4);border-radius:0 6px 6px 0;padding:10px 14px;font-size:12px;color:#5A7298;margin-top:24px;line-height:1.5}\n  @media(max-width:600px){\n    .mh-pd ul{grid-template-columns:1fr}\n    .mh-pd .stat-row{grid-template-columns:1fr 1fr}\n    .mh-pd .stat-row .stat:last-child{grid-column:span 2}\n    .mh-pd .compare-grid{grid-template-columns:1fr}\n    .mh-pd .pool-grid{grid-template-columns:1fr}\n    .mh-pd table td:first-child{width:48%}\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"mh-pd\" itemscope itemtype=\"https:\/\/schema.org\/Product\"\u003e\n\n  \u003ch2 itemprop=\"name\"\u003eNext-Generation Bitcoin Mining. 151 TH\/s. 17.5 J\/TH. Built on 5nm.\u003c\/h2\u003e\n\n  \u003cp itemprop=\"description\"\u003eThe \u003cstrong\u003eBitmain Antminer S21 (151TH)\u003c\/strong\u003e is a next-generation SHA-256 Bitcoin ASIC miner powered by the \u003cstrong\u003eBM1368\u003c\/strong\u003e — Bitmain's 5nm chip architecture manufactured by TSMC. At \u003cstrong\u003e17.5 J\/TH\u003c\/strong\u003e, the S21 is approximately \u003cstrong\u003e40% more efficient\u003c\/strong\u003e than the previous-generation S19j Pro (29.5 J\/TH), meaning more Bitcoin mined per dollar spent on electricity. The S21 represents a genuine generational leap: same proven Antminer chassis, fundamentally better silicon underneath. PSU included. Requires a dedicated 240V circuit.\u003c\/p\u003e\n\n  \u003cdiv class=\"stat-row\" aria-label=\"Key performance figures\"\u003e\n    \u003cdiv class=\"stat\"\u003e\n      \u003cspan class=\"stat-val\"\u003e151\u003c\/span\u003e\n      \u003cspan class=\"stat-label\"\u003eTH\/s Hashrate\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"stat cy\"\u003e\n      \u003cspan class=\"stat-val\"\u003e17.5 J\/TH\u003c\/span\u003e\n      \u003cspan class=\"stat-label\"\u003eEfficiency\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"stat wh\"\u003e\n      \u003cspan class=\"stat-val\"\u003e2643W\u003c\/span\u003e\n      \u003cspan class=\"stat-label\"\u003ePower Draw\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eImportant — power requirements\u003c\/h3\u003e\n  \u003cdiv class=\"warn-box\"\u003e\n    \u003cp\u003e\u003cstrong\u003eThis miner requires a dedicated 220–240V AC, 20A circuit.\u003c\/strong\u003e It will not run on a standard 10A household outlet. Australian 240V power is compatible, but the S21 needs its own dedicated circuit — a standard air-conditioning or EV charger circuit works. A P13 power connector is required (not the older C13 used on the S19 series). If you need guidance on suitable AU power setups, contact MinerHub before purchasing.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eThe BM1368 chip — why it matters\u003c\/h3\u003e\n  \u003cdiv class=\"chip-box\"\u003e\n    \u003cp\u003eThe \u003cstrong\u003eBM1368\u003c\/strong\u003e is Bitmain's 5nm ASIC manufactured on the TSMC process node — the same fab used by Apple's M-series chips. At \u003cstrong\u003e17.5 J\/TH\u003c\/strong\u003e, it delivers roughly the same efficiency per terahash as the flagship S19 XP Hydro, but in a standard air-cooled chassis without the cooling infrastructure cost. Every chip runs at lower voltage (0.28V core vs 0.34V on older chips), meaning less heat per unit of compute — which translates directly to lower electricity bills and longer hardware lifespan.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eWhere the S21 151TH sits in the lineup\u003c\/h3\u003e\n  \u003cdiv class=\"compare-grid\" aria-label=\"S21 series comparison\"\u003e\n    \u003cdiv class=\"compare-card active\"\u003e\n      \u003cspan class=\"compare-label gold\"\u003eS21 151TH ← this unit\u003c\/span\u003e\n      \u003cdiv class=\"compare-row\"\u003e\n\u003cspan\u003eHashrate\u003c\/span\u003e\u003cspan\u003e151 TH\/s\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"compare-row\"\u003e\n\u003cspan\u003ePower draw\u003c\/span\u003e\u003cspan\u003e2643W\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"compare-row\"\u003e\n\u003cspan\u003eEfficiency\u003c\/span\u003e\u003cspan\u003e17.5 J\/TH\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"compare-card\"\u003e\n      \u003cspan class=\"compare-label\"\u003eS21 200TH\u003c\/span\u003e\n      \u003cdiv class=\"compare-row\"\u003e\n\u003cspan\u003eHashrate\u003c\/span\u003e\u003cspan\u003e200 TH\/s\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"compare-row\"\u003e\n\u003cspan\u003ePower draw\u003c\/span\u003e\u003cspan\u003e3500W\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"compare-row\"\u003e\n\u003cspan\u003eEfficiency\u003c\/span\u003e\u003cspan\u003e17.5 J\/TH\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"compare-card\"\u003e\n      \u003cspan class=\"compare-label\"\u003eS21 Pro 234TH\u003c\/span\u003e\n      \u003cdiv class=\"compare-row\"\u003e\n\u003cspan\u003eHashrate\u003c\/span\u003e\u003cspan\u003e234 TH\/s\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"compare-row\"\u003e\n\u003cspan\u003ePower draw\u003c\/span\u003e\u003cspan\u003e3510W\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"compare-row\"\u003e\n\u003cspan\u003eEfficiency\u003c\/span\u003e\u003cspan\u003e15 J\/TH\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cp\u003eAll three S21 models share the same BM1368 chip platform and 17.5 J\/TH efficiency rating. The 151TH variant draws \u003cstrong\u003e857W less power\u003c\/strong\u003e than the 200TH — making it the most practical choice for miners on a single 20A circuit or those managing electricity costs carefully.\u003c\/p\u003e\n\n  \u003ch3\u003eSupported coins\u003c\/h3\u003e\n  \u003cdiv class=\"pill-row\" role=\"list\" aria-label=\"Supported cryptocurrencies\"\u003e\n    \u003cspan class=\"pill\" role=\"listitem\"\u003eBTC — Bitcoin\u003c\/span\u003e\n    \u003cspan class=\"pill\" role=\"listitem\"\u003eBCH — Bitcoin Cash\u003c\/span\u003e\n    \u003cspan class=\"pill cy\" role=\"listitem\"\u003eBSV — Bitcoin SV\u003c\/span\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eWhy the Antminer S21?\u003c\/h3\u003e\n  \u003cul aria-label=\"Key features\"\u003e\n    \u003cli\u003e151 TH\/s SHA-256 — BM1368 5nm chip\u003c\/li\u003e\n    \u003cli\u003e17.5 J\/TH — 40% better than S19j Pro\u003c\/li\u003e\n    \u003cli class=\"cy\"\u003e2643W — lowest power in S21 range\u003c\/li\u003e\n    \u003cli class=\"cy\"\u003eIntegrated APW12 PSU — no separate purchase\u003c\/li\u003e\n    \u003cli\u003e4-fan push-pull air cooling — 24\/7 stable\u003c\/li\u003e\n    \u003cli\u003eFits a single dedicated 20A 240V circuit\u003c\/li\u003e\n    \u003cli class=\"cy\"\u003eEthernet connectivity — reliable pool connection\u003c\/li\u003e\n    \u003cli class=\"cy\"\u003eBitmain web dashboard — hashrate monitoring\u003c\/li\u003e\n    \u003cli\u003eBitmain 365-day factory warranty (new unit)\u003c\/li\u003e\n    \u003cli\u003eAU warranty + MinerHub expert support\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eRecommended mining pools\u003c\/h3\u003e\n  \u003cdiv class=\"pool-grid\" aria-label=\"Compatible Bitcoin mining pools\"\u003e\n    \u003cdiv class=\"pool-item\"\u003e\n      \u003cstrong\u003eFoundry USA Pool\u003c\/strong\u003e\n      \u003cspan\u003eWorld's largest BTC pool · FPPS · No registration required\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"pool-item\"\u003e\n      \u003cstrong\u003eAntpool (Bitmain)\u003c\/strong\u003e\n      \u003cspan\u003eOfficial Bitmain pool · PPS+ · Direct manufacturer support\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"pool-item\"\u003e\n      \u003cstrong\u003eF2Pool\u003c\/strong\u003e\n      \u003cspan\u003eAsia-Pacific latency advantage · PPS+ · 2.5% fee\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"pool-item\"\u003e\n      \u003cstrong\u003eViaBTC\u003c\/strong\u003e\n      \u003cspan\u003ePPS \/ PPLNS \/ SOLO modes · Strong AU uptime\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eFull specifications\u003c\/h3\u003e\n  \u003ctable aria-label=\"Antminer S21 151TH\/s technical specifications\"\u003e\n    \u003ccaption\u003eTechnical Specifications\u003c\/caption\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n\u003cth scope=\"col\"\u003eSpecification\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAntminer S21 (151TH)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eBitmain\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eASIC chip\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eBM1368\u003c\/strong\u003e\u003cspan class=\"sub\"\u003e5nm TSMC process — same fab as Apple M-series chips\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eAlgorithm\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSHA-256\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eHashrate\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e151 TH\/s\u003c\/strong\u003e\u003cspan class=\"sub\"\u003e±3% variance\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003ePower consumption\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e2643W\u003c\/strong\u003e\u003cspan class=\"sub\"\u003e±5% variance at wall · 857W less than the 200TH model\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eEnergy efficiency\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e17.5 J\/TH\u003c\/strong\u003e\u003cspan class=\"sub\"\u003eat 25°C ambient · ~40% better than S19j Pro (29.5 J\/TH)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eNoise level\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e75 dB\u003c\/strong\u003e\u003cspan class=\"sub\"\u003erequires ventilated, dedicated space\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eInput voltage\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e220–240V AC\u003c\/strong\u003e\u003cspan class=\"sub\"\u003e20A dedicated circuit required — P13 connector\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eAir-cooled — 4 PWM fans (push-pull)\u003c\/strong\u003e\u003cspan class=\"sub\"\u003eenhanced shroud design vs S19 series\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eConnectivity\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eEthernet RJ45 10\/100M\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eBitmain web dashboard\u003c\/strong\u003e\u003cspan class=\"sub\"\u003ebrowser-accessible, no software install\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSupported coins\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eBTC, BCH, BSV\u003c\/strong\u003e\u003cspan class=\"sub\"\u003eany SHA-256 Stratum V1 pool\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003ePSU\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eIntegrated APW12\u003c\/strong\u003e\u003cspan class=\"sub\"\u003ebuilt-in, no separate PSU required\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eDimensions (L×W×H)\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e400 × 195 × 290 mm\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e15.4 kg\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e0°C – 45°C\u003c\/strong\u003e\u003cspan class=\"sub\"\u003ederate max temp 1°C per 300m above 900m altitude\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eHumidity range\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e10% – 90% RH\u003c\/strong\u003e\u003cspan class=\"sub\"\u003enon-condensing\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMax altitude\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e≤2000 m\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eRelease date\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFebruary 2024\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eBitmain warranty\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003e365 days\u003c\/strong\u003e\u003cspan class=\"sub\"\u003ebrand new Bitmain factory warranty\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMinerHub warranty\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eAU Warranty support via MinerHub\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003cp class=\"disclaimer\"\u003eBitcoin mining profitability depends on network difficulty, BTC price, electricity costs, and other market conditions. MinerHub does not guarantee mining returns. All hashrate, power, and efficiency figures are manufacturer-stated typical values (±3–5%). Electrical requirements: a dedicated 220–240V, 20A circuit is required — consult a licensed Australian electrician if needed. The S21 uses a P13 power connector, not the C13\/C14 used on S19-series miners — ensure you have a compatible power cable. 75 dB operation requires a ventilated space away from living areas.\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"Bitmain","offers":[{"title":"Default Title","offer_id":49148005515516,"sku":"BIT-S21-151T-AU","price":2999.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0805\/8067\/3788\/files\/antminer_s21_151th_ASIC_miner.webp?v=1780288646","url":"https:\/\/minerhub.com.au\/products\/bitmain-antminer-s21-151th-bitcoin-miner","provider":"MinerHub","version":"1.0","type":"link"}