Bitdeer SealMiner A3 Air – 260TH/s SHA-256 Bitcoin Miner
The Bitdeer SealMiner A3 Air is an industrial-grade Bitcoin ASIC miner designed for SHA-256 cryptocurrency mining. Delivering a stated maximum hashrate of 260 TH/s with a power consumption of 3,640 W, it is built for mining operators seeking high-performance hardware for dedicated Bitcoin mining operations.
Powered by the SHA-256 algorithm, the SealMiner A3 Air is designed specifically for Bitcoin mining. Its four-fan air-cooling system supports thermal management during operation, while its Ethernet interface provides a wired network connection for mining pool communication and device management.
Operating on a 220–277V power supply, the miner has a net weight of 15.5 kg and a stated noise level of 75 dB. Its specified operating temperature range is -20°C to 45°C, with supported humidity levels of 10–90%.
With a calculated energy efficiency of approximately 14 J/TH, based on the supplied hashrate and power figures, the Bitdeer SealMiner A3 Air offers a powerful option for professional Bitcoin mining deployments.
Key Features of the Bitdeer SealMiner A3 Air
- 260 TH/s hashrate: High-performance SHA-256 mining capability.
- 3,640W power consumption: Stated operating power requirement.
- Approximately 14 J/TH efficiency: Calculated from the supplied specifications.
- SHA-256 algorithm: Designed for Bitcoin mining.
- Four cooling fans: Air-cooled thermal management.
- Ethernet connectivity: Wired network interface.
- 220–277V input voltage: Specified electrical operating range.
- Industrial operating range: -20°C to 45°C.
- 75 dB noise level: Suitable for appropriately designed mining facilities.
Bitdeer SealMiner A3 Air Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Bitdeer |
| Model | SealMiner A3 Air |
| Algorithm | SHA-256 |
| Supported Coin | Bitcoin (BTC) |
| Maximum Hashrate | 260 TH/s |
| Power Consumption | 3,640 W |
| Calculated Efficiency | Approximately 14 J/TH |
| Cooling | Air cooling |
| Number of Fans | 4 |
| Noise Level | 75 dB |
| Input Voltage | 220–277V |
| Interface | Ethernet |
| Net Weight | 15.5 kg |
| Gross Weight | 17.5 kg |
| Dimensions Without Packaging | 365 × 292 × 197 mm |
| Dimensions With Packaging | 482 × 423 × 308 mm |
| Operating Temperature | -20°C to 45°C |
| Storage Temperature | -30°C to 70°C (unit not specified in source) |
| Humidity | 10–90% |
Mining Algorithm and Supported Cryptocurrency
The Bitdeer SealMiner A3 Air operates using the SHA-256 algorithm and is designed for Bitcoin mining.
- Mining Algorithm: SHA-256
- Supported Cryptocurrency: Bitcoin (BTC)
Installation and Operating Considerations
The Bitdeer SealMiner A3 Air is designed for professional mining environments and requires suitable electrical and cooling infrastructure.
- Ensure the electrical supply is compatible with the specified 220–277V input range.
- Provide adequate ventilation and airflow around the four cooling fans.
- Confirm that the facility can accommodate the miner’s power requirements.
- Use a stable Ethernet connection for network communication.
- Account for the stated 75 dB noise level when selecting an installation location.
- Maintain operating conditions within the specified temperature and humidity ranges.
Why Choose Mine Your Wealth?
At Mine Your Wealth, our goal is to provide quality cryptocurrency mining hardware for operators at different stages of their mining journey. We help customers explore mining equipment suited to their technical requirements and operational goals.
Ready to expand your Bitcoin mining operation? Explore our range of ASIC Bitcoin miners and discover the right hardware for your mining requirements at Mine Your Wealth.






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