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Power
3625W
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Hashrate
290.00 TH/s
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Efficiency
12.5 J/T
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Algorithm
SHA-256
Bitdeer SealMiner A3 PRO AIR Bitcoin Miner 290TH/S
US$4,899.00
High Efficiency: one of most efficient bitcoin miner with 12.5 J/TH energy efficiency
High Reliability: Built for 24/7 continuous mining operation
Global delivery with quick support from BT-MINERS
Warranty : For Brand NEW Miner, Bitdeer Provides 360 days of factory warranty.
A3 Pro Air Profitability Calculator
Daily Earning
ROI
Electricity
Electricity ratio
Net Profit
Miner Profitability History
The Bitdeer SealMiner A3 PRO AIR offers a powerful 290TH/s hash rate with a 3625W power consumption, making it a highly efficient choice for industrial-scale Bitcoin mining. Perfect for large mining farms or hosting environments, this miner operates with low noise and requires a 220V–240V power input. Featuring advanced cooling technology, it ensures optimal performance during intensive operations. BT-MINERS offers fast worldwide shipping, thorough testing, and dedicated customer support to ensure your mining setup is up and running seamlessly.
Technical Specifications
| Product Glance | Value |
|---|---|
| Model | Sealminer A3 PRO AIR |
| Crypto algorithm/coins | SHA-256|BTC/FB/NMC |
| Typical hashrate | 290.00 TH/s |
| Power on wall @35℃, Watt | 3625W |
| Power efficiency on wall@35℃ | 12.5 J/T |
| Detailed Characteristics | Value |
|---|---|
| Power Supply | |
| Phase | 1 |
| Input voltage, Volt | 220V–240V |
| Input frequency range, Hz | 50~60 |
| Input max current, Amp | 20 Amp |
| Hardware Configuration | |
| Server size(length*width*height, w/o package), mm | Ethernet 10/100M |
| Server size(length*width*height, with package), mm | 197*365*292 |
| Net weight, kg | 308*482*423 |
| Gross weight, kg | 15.5 |
| Noise@30℃, dBA | 17.5 |
| 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
SEALMINER A3 PRO AIR Description
The Bitdeer SealMiner A3 PRO AIR delivers an impressive 290TH/s hash rate with a power consumption of 3625W, making it an excellent option for professional Bitcoin miners seeking high efficiency and reliability. The A3 PRO AIR is engineered for continuous mining operations, ensuring stable performance even under high load. It is designed for large-scale mining farms, offering a balance between power and efficiency to maximize profitability.
To achieve optimal performance, ensure the miner is installed in a well-ventilated environment with proper airflow. It operates on a standard 220V–240V power input and comes with an advanced cooling system that helps maintain stable operating temperatures, reducing the risk of overheating and downtime. The Bitdeer SealMiner A3 PRO AIR is a valuable tool for any mining farm looking to scale up operations while minimizing energy consumption.
BT-MINERS provides a complete package, including thorough pre-shipment testing, fast worldwide delivery, and excellent customer support, ensuring that your miner is ready for action as soon as it arrives.
SealMinr A3 Pro Air vs Antminer S21 XP
The Bitdeer SealMiner A3 Pro Air offers a higher hashrate than the Antminer S21 XP while operating at a similar power level, resulting in better efficiency per terahash. Its 220–240V power requirement makes it easier to deploy in a wider range of mining facilities. The S21 XP remains a strong option for operators already standardized on Bitmain hardware and high-voltage infrastructure, but the A3 Pro Air provides greater flexibility and output in comparable conditions.
| Field | SealMiner A3 Pro Air | Antminer S21 XP |
|---|---|---|
| Model | A3 Pro Air | S21 XP |
| Algorithm | SHA-256 | SHA-256 |
| Hashrate | 290 TH/s | 270 TH/s |
| Power | ~3625 W | ~3645 W |
| Efficiency | ~12.5 J/TH | ~13.5 J/TH |
| Cooling | Air-cooled | Air-cooled |
| Voltage | 220–240 V | 380–415 V |
| Noise | High (industrial fans) | High (industrial fans) |
| Best For | Flexible power environments | High-voltage mining farms |
| Notes | Higher hashrate at similar power | Optimized for Bitmain ecosystem |
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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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What is the SealMiner A3 Pro Air hashrate?
It delivers up to 290 TH/s of SHA-256 mining power.
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How efficient is this miner?
Approximately 12.5 J/TH, optimizing electricity cost per TH.
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Which power input does it require?
Standard 220–240 V power input.
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Is it suitable for home mining?
Better for hosted or professional setups; ensure adequate ventilation.
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Which coins can it mine?
BTC, BCH, and BSV mining via the SHA-256 algorithm.
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Does BT-MINERS test this miner pre-shipment?
Yes, all units undergo testing before delivery.
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What cooling does it use?
Air cooling system with optimized fans.
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Is warranty included?
Factory warranty terms depend on batch; check with BT-MINERS.
