Bitdeer SealMiner A2 Pro Air vs MicroBT Whatsminer M31S
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitdeer SealMiner A2 Pro Air | Specification | MicroBT Whatsminer M31S |
|---|---|---|
| 255.0 TH/s | Hashrate | 76.0 TH/s |
| 3,790 W | Power Consumption | 3,220 W |
| 14.9 J/TH | Efficiency | 42.4 J/TH |
| 75 dB | Noise Level | — |
| 15.5 kg | Weight | 12,500.0 kg |
| 12,932 BTU/hr | BTU Output | 10,987 BTU/hr |
| 30/100 | Home Mining Score | 22/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitdeer | Manufacturer | MicroBT |
Profitability Comparison
Bitdeer SealMiner A2 Pro Air
MicroBT Whatsminer M31S
Based on BTC price of $79,088 and current network difficulty as of Apr 27, 2026. Actual results vary.
Verdict
Based on our multi-factor analysis, the Bitdeer SealMiner A2 Pro Air wins on 4 of 6 factors (efficiency, hashrate, home mining score, noise level). The MicroBT Whatsminer M31S holds the edge in power consumption and price-performance. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Best For...
Best for Profitability
Bitdeer SealMiner A2 Pro Air$5.20/day higher profit at current rates.
Best for Home Mining
Bitdeer SealMiner A2 Pro AirScore: 30/100. 75 dB noise level.
Best for Efficiency
Bitdeer SealMiner A2 Pro Air14.9 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitdeer SealMiner A2 Pro Air or MicroBT Whatsminer M31S more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A2 Pro Air is more profitable at $0.25/day compared to $-4.94/day for the MicroBT Whatsminer M31S. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitdeer SealMiner A2 Pro Air or MicroBT Whatsminer M31S?
The Bitdeer SealMiner A2 Pro Air is quieter at 75 dB compared to the MicroBT Whatsminer M31S at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitdeer SealMiner A2 Pro Air or MicroBT Whatsminer M31S?
The Bitdeer SealMiner A2 Pro Air scores 30/100 on our Home Mining Score (vs 22/100 for the MicroBT Whatsminer M31S). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
What is the efficiency difference between Bitdeer SealMiner A2 Pro Air and MicroBT Whatsminer M31S?
The Bitdeer SealMiner A2 Pro Air runs at 14.9 J/TH while the MicroBT Whatsminer M31S runs at 42.4 J/TH — a difference of 27.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.
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