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The Antminer S21++ is Bitmain's top-of-the-line air-cooled iteration of the S21 series, supporting the SHA256 encryption algorithm and capable of mining mainstream cryptocurrencies such as Bitcoin (BTC), Bitcoin Cash (BCH), BSV, and XEC. The S21++ utilizes a new generation of 5nm custom hash chips, delivering higher hash rate density and energy efficiency than the S21+ and S21 XP, catering to both small-scale home hosting and large-scale standardized mining farm deployments. The entire machine integrates a high-power APW power supply, features four-channel full-area air cooling, ensuring long-term stable hash rate with an extremely low probability of frequency throttling, and is compatible with global industrial electricity prices, making it a high-yield mainstream model for high-difficulty BTC networks.
Product Glance | Value |
Model | S21++ |
Algorithm | Cryptocurrency | SHA256 | BTC/BCH |
Hashrate | 216T / 225T / 235T |
Power on wall @25°C | 3564W / 3712W / 3878W |
Power efficiency on wall @25°C | 16.5J/TH |
Detailed Characteristics | Value |
Power supply | |
Power supply AC input voltage | 220~277V |
Power supply AC input frequency range | 50~60Hz |
Power supply AC input current | 20A |
Adapted AC output power requirement | 4000W |
Hardware Configuration | |
Network connection mode | RJ45 Ethernet 10/100M |
Miner size ( without package) | 450x219x293mm |
Miner size (with package) | 680x390x450mm |
Gross weight | 25kg |
Noise@25℃ | 76dBA |
Environment requirements | |
Operation temperature | -20~45°C |
Storage temperature | -20~70°C |
Operation humidity(non-condensing) | 10%~90%RH |
Operation altitude | ≤2000m |
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| Quality assurance All products are from official factories |
Fast shipping Shipped within 2-3 working days after accepting the order |
Enhanced packaging New miners use original packaging and strengthen peripheral packaging |
Multiple modes of transportation Support air, ship and designated special line transportation |
Payment method:
How to determine product prices and shipping costs?When you are ready to buy one or more products. You can consult the sales Manager to get a sample of the proforma invoice. The category, product price, and freight are included. |
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How to complete the payment?We have the following payment methods. You can tell our sales Manager which payment you prefer and complete it. After the customer service checks and confirms the payment is completed. Provide the proforma invoice. And we will prepare to ship. |
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Cryptocurrency Payment |
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Due to the recent adjustment of the cryptocurrency wallet address, the cryptocurrency only accepts USDT (TRC20 | TRON) transfers, please note, do not transfer any other cryptos |
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Bitcoin - The payment method at the designated address is efficient and practical and can be used anywhere in the world. Wallet Address |
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USDT - The payment method at the designated address is efficient and practical and can be used anywhere in the world. Wallet Address |
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ETH - The payment method at the designated address is efficient and practical and can be used anywhere in the world. Wallet Address |
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LTC - The payment method at the designated address is efficient and practical and can be used anywhere in the world. Wallet Address |
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USDC - The payment method at the designated address is efficient and practical and can be used anywhere in the world. Wallet Address |
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Bank Transfer |
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Wire transfer - USD - YuanJi Card Number |
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Wire transfer - USD, EUR, GBP, HKD, CNH, CAD, SGD, JPY, AUD, NZD Card Number |
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JP MORGAN CHASE BANK, N.A. Card Number |
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Wire transfer - USD - Zhou sicong Card Number |
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人民币支付 - CNY payment Card Number |
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Other payment methods |
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Cooperation express: |
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Q: When will we ship after payment?
A: In order to ensure that the products we ship are in good condition. Issued approximately 3-5 days after receiving your payment.
Q: What if the product is damaged during transportation?
A: We will use a more robust package when shipping to avoid damage to the goods, and we can purchase transportation insurance in advance to reduce the loss of in the transport. although this problem is not common.
Q: What payment methods do we support?
A: We support bank transfer, wire transfer, BTC, third-party guarantee and Paypal.
Q: What should I do if there is a problem after receiving the products?
A: We have established good relationships with maintenance departments in many countries/regions in the world. For example, Venezuela, Iran, etc. If you have any questions within 3 days after receiving the goods, you can apply for after-sales service on the "My Order" page.
Q: Which express we support?
A: We will choose the cheapest and fastest transportation method for you. And we support DHL, UPS, TNT, Fedex, BRE, and also have express delivery services, such as Russia, the United States, Kuwait, etc.
China Mainland Hong Kong 
Business Hours: (GMT+8) 08:30-20:00 Mon to Sat 
Company Phone: +86-023-72227777
