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Power
3510W
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Hashrate
234.00 TH/s
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Efficiency
15 J/T
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Algorithm
SHA-256
Bitmain Antminer S21 Pro Bitcoin Miner 234TH/S
from US$1,850.00
Supports 24/7 continuous operation
Ships immediately from local US warehouse
Warranty : For Brand NEW Miner, Bitmain Provides 365 days of factory warranty.
S21 Pro Profitability Calculator
Daily Earning
ROI
Electricity
Electricity ratio
Net Profit
Miner Profitability History
Model Antminer S21 Pro(234Th) from Bitmain mining SHA-256 algorithm with a maximum hashrate of 234Th/s for a power consumption of 3510W.
S21 Pro 234 TH/s: compare the series before ordering
Browse the Bitcoin miner collection, compare this exact model with the Antminer S21 200 TH/s and Antminer S23 318 TH/s, then read the Bitcoin mining profitability guide. Use the ASIC miner profitability table with current power, difficulty, fee and electricity inputs. Revenue, profit and payback are estimates, not guarantees.
Technical Specifications
| Product Glance | Value |
|---|---|
| Model | S21 Pro |
| Crypto algorithm/coins | SHA256 | BTC/BCH/BSV |
| Typical hashrate | 234.00 TH/s |
| Power on wall @35℃, Watt | 3510W |
| Power efficiency on wall@35℃ | 15 |
| Detailed Characteristics | Value |
|---|---|
| Power Supply | |
| Phase | 1 |
| Input voltage, Volt | 220~277 |
| Input frequency range, Hz | 50~60 |
| Input max current, Amp | 20 |
| Hardware Configuration | |
| Networking connection mode | RJ45 Ethernet 10/100M |
| Server size(length*width*height, w/o package), mm | 450*219*293 |
| Server size(length*width*height, with package), mm | 630*350*430 |
| Net weight, kg | 18.5 |
| Gross weight, kg | 21.5 |
| Noise@30℃, dBA | 76 |
| Environment Requirements | Value |
|---|---|
| Storage temperature, °C | -20~70 |
| Operation humidity(non-condensing), RH | 10~90% |
| Operation temperature,°C | -20~45 |
| Operation altitude, m | ≤2000 |
| What's in the Box | Value |
|---|---|
| Original factory mining machinery | ✓ |
| Power supply | ✓ |
| Shockproof packaging | ✓ |
(1) The hashrate value, power on wall, and power efficiency on wall are all typical values. The actual hashrate value fluctuates by ±3%, and the actual power on wall and power efficiency on wall fluctuate by ±5%.
(2) Caution: Wrong input voltage may cause server damaged.
(3) The noise is loudest when the fan is under maximum RPM(rotation per minute).
(4) When the server is used at an altitude from 900m to 2000m, the highest operating temperature decreases by 1℃ for every increase of 300m.
Estimated dispatch and delivery
Please select the applicable product batch. Future-batch and pre-order products follow the manufacturer’s actual release and dispatch schedule. Manufacturer delays may occur, and BT ECOMMERCE CO., LIMITED is not responsible for losses arising from those delays. If no batch selection is shown, the product is treated as in stock.
Shipping
New in-stock miners are normally dispatched within 1–3 business days after full payment is verified. Used in-stock miners require testing and are normally dispatched within 3–7 business days after full payment is verified. After dispatch, delivery usually takes 5–7 business days, subject to customs clearance and local carrier conditions. A tracking number will be emailed after shipment.
Cancellation, returns and faults
All sales are final and non-refundable. A cancellation may be requested before the order is handed to the carrier and is subject to a 25% cancellation fee. Orders cannot be cancelled after handover to the carrier. If a miner is faulty on arrival, contact us promptly. After diagnosis, eligible cases will be handled by repair or replacement only; no refund will be issued. Contact store@bt-miners.com for assistance.
VIABTC
ViaBTC
PPS+
Block Reward Fee: 4%
Transaction Fee Reward Fee: 2%
PPLNS
Pool Fee: 2%
Fees may vary by coin and mining method.
ANTPOOL
ANTPOOL
Multiple payment methods available.
Payment Methods: PPS+, PPLNS and other methods depending on coin
Pool Fee: Varies by coin
Minimum Payout: Varies by coin
Payout Schedule: Varies by coin
F2POOL
F2Pool
Multiple payout methods available.
Reward Scheme: Varies by coin
Pool Fee: Varies by coin and payout method
Minimum Payout: Varies by coin
Payout: Automatic payouts when the threshold is reached
Antminer S21 Pro Description
Antminer S21 Pro DescriptionEngineered to withstand continuous industrial use, the S21 Pro includes a durable quad-fan cooling system that quickly dissipates heat, keeping the device operating within the ideal temperature range of -20 to 45°C. Although its noise level of 76dB is typical for high-performance ASIC miners, its capabilities are exceptional. Supported by a full 365-day warranty from Bitmain, the S21 Pro combines powerful performance, durability, and top-tier engineering. Whether expanding a professional mining farm or enhancing a high-end home setup, the Antminer S21 Pro provides a competitive advantage in the quest to mine the next Bitcoin block.
Antminer S21 Pro vs S21
| Feature | Antminer S21 Pro 234TH/s | Antminer S21 200TH/s |
|---|---|---|
| Hashrate | 234 TH/s | 200 TH/s |
| Power Consumption | 3510 W | 3500 W |
| Energy Efficiency | ~15 J/TH | ~17.5 J/TH |
| Best Use Case | Large-scale farms, low-cost power, pro hosting | Budget-conscious miners, farm expansion |
| Relative Hardware Cost | Higher upfront price, better long-term efficiency | Lower upfront price, easier entry option |
| Ideal Power Rate | Strong advantage in regions with cheap electricity | Suitable where power cost is moderate |
| Target User Profile | Professional miners optimizing ROI per kWh | Miners focused on lower initial investment |
The Antminer S21 Pro delivers higher efficiency and a stronger 234TH/s hashrate, making it ideal for low-cost power regions and professional mining farms. The standard S21 offers 200TH/s with a lower upfront cost, suitable for budget-focused miners seeking reliable SHA-256 performance.
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Processing & Shipping Time
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Payment Policies
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Taxes and Custom Duties
Order Processing
New in-stock miners are normally dispatched within 1–3 business days after full payment is verified. Used in-stock miners require testing and are normally dispatched within 3–7 business days after full payment is verified. Future-batch and pre-order products follow the manufacturer’s actual release and dispatch schedule. Manufacturer delays may occur, and BT ECOMMERCE CO., LIMITED is not responsible for losses arising from those delays.
Shipping Carriers
Orders are shipped through reputable international carriers such as DHL, UPS or FedEx. A tracking number will be emailed after dispatch.
Estimated Delivery
Delivery usually takes 5–7 business days after dispatch. Customs clearance and local carrier conditions may affect the actual delivery date.
Cancellation and Faults
All sales are final and non-refundable. A cancellation may be requested before handover to the carrier and is subject to a 25% cancellation fee. Orders cannot be cancelled after handover to the carrier. Faulty-on-arrival miners are handled by repair or replacement only after diagnosis.
Contact us at store@bt-miners.com or 813-820-0668 if you have any questions.
All products on our website are priced in US Dollars.
Payment made by credit or debit card may be subject to card processing fees.
We can accept payment by credit or debit card, wire transfer, ACH transfer (through our online portal), and crypto.
Bank transfer clearing times vary by bank and location. Cryptocurrency payments are typically confirmed within 1 business day.
*Machine prices will fluctuate according to the current market price.*
Customs & Delivery
Shipments are managed through DHL, UPS and FedEx for most international destinations. Due to changing regulations, we may not be able to cover import duties for all orders entering the USA. Deliveries to other countries may require customers to clear customs and pay duties or taxes. Please notify us promptly if customs requests documents, as improper or delayed filing may result in additional fees or delays.
DDP Option
Delivery Duty Paid (DDP) service may be available in select countries. Advance arrangement is required; please contact store@bt-miners.com for details.
Returns for Repair or Replacement
If diagnosis requires a miner to be returned to Hong Kong or another service location, the customer is responsible for related shipping charges unless otherwise agreed in writing.
All sales are final and non-refundable. A cancellation may be requested before handover to the carrier and is subject to a 25% cancellation fee. Orders cannot be cancelled after handover to the carrier. Eligible faulty-on-arrival cases are handled by repair or replacement only.
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FAQs
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What Is The Lifespan Of This Mining Machine?
The lifespan of mining hardware is influenced by usage intensity, environmental factors like temperature, humidity, and dust. Proper maintenance and optimal conditions can significantly extend its longevity.
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How Does Electricity Cost Impact Profitability?
Electricity costs play a crucial role in mining profitability, as high rates can quickly offset profit. Therefore, it is vital to access local electricity costs to determine if mining is viable. With high electricity costs and high liquidity of digital assets, investing in an energy-efficient miner becomes even more important.
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Who is the Antminer S21 Pro best suited for?
The S21 Pro is designed for professional miners, hosting clients, and large-scale farms seeking maximum efficiency and ROI per kWh.
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Is the S21 Pro better than older Bitmain models?
Yes. It offers significantly better efficiency and output compared to models like the S19 series, improving long-term operating costs.
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What cooling requirements does the S21 Pro need?
The S21 Pro requires strong airflow and a stable temperature environment, ideally below 35°C for maximum long-term stability.
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Can the S21 Pro be used in home mining?
It is not ideal for home use due to noise levels around 75–76 dBA and high heat output, but it is excellent for farms and hosting facilities.
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Does the Antminer S21 Pro come with a Bitmain warranty?
Yes. Brand-new S21 Pro units include a standard 365-day Bitmain factory warranty.
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What electricity price is recommended for the S21 Pro?
For best ROI, the S21 Pro performs optimally at electricity rates below $0.07/kWh.
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Is the Antminer S21 Pro profitable?
Yes. Its high hashrate and low energy consumption make it profitable in regions with competitive electricity pricing or hosted mining.
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What is the energy efficiency of the S21 Pro?
With an efficiency of approximately 15J/TH, the S21 Pro is one of the most efficient SHA-256 miners available.
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How much power does the Antminer S21 Pro consume?
The S21 Pro consumes around 3510W, offering excellent performance for its power class.
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What is the hashrate of the Antminer S21 Pro?
The Antminer S21 Pro delivers a powerful 234TH/s hashrate, making it one of Bitmain’s top-performance Bitcoin miners.
