Bitdeer SealMiner A3 Air vs Whatsminer M30S+
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitdeer SealMiner A3 Air | Specification | Whatsminer M30S+ |
|---|---|---|
| 260.0 TH/s | Hashrate | 100.0 TH/s |
| 3,640 W | Power Consumption | 3,400 W |
| 14.0 J/TH | Efficiency | 34.0 J/TH |
| 75 dB | Noise Level | 75 dB |
| 15.5 kg | Weight | 11.5 kg |
| 12,420 BTU/hr | BTU Output | 11,601 BTU/hr |
| 30/100 | Home Mining Score | 36/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitdeer | Manufacturer | MicroBT |
Profitability Comparison
Bitdeer SealMiner A3 Air
Whatsminer M30S+
Based on BTC price of $79,090 and current network difficulty as of May 15, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Bitdeer SealMiner A3 Air comes out ahead — it takes 3 of 5 (efficiency, hashrate, price-performance). The standout gap is 160% more hashrate (260 vs 100 TH/s) in the Bitdeer SealMiner A3 Air's favour. The Whatsminer M30S+ holds the edge in power consumption and home mining score. The right pick still depends on your power cost and noise tolerance — the breakdowns above make that call concrete.
Spec Deltas
Here is every spec where the Bitdeer SealMiner A3 Air and Whatsminer M30S+ actually differ, with the gap quantified:
- Bitdeer SealMiner A3 Air 160% more hashrate (260 vs 100 TH/s)
- Whatsminer M30S+ 7% better power draw (3,640 vs 3,400 W)
- Bitdeer SealMiner A3 Air 59% better efficiency (14.0 vs 34.0 J/TH)
- Whatsminer M30S+ 26% better weight (15.5 vs 11.5 kg)
- Bitdeer SealMiner A3 Air 7% more heat output (12,420 vs 11,601 BTU/hr)
- Whatsminer M30S+ 20% more home mining score (30.0 vs 36.0)
Cost & ROI Over Time
Sticker price versus what the miner actually earns back: the table below projects cumulative net profit at a $0.10/kWh electricity rate.
| Bitdeer SealMiner A3 Air | Metric | Whatsminer M30S+ |
|---|---|---|
| $3,900 | Upfront cost (MSRP) | $1,800 |
| $0.73 | Daily net profit | -$4.52 |
| -$3,635 | Net after 1 year | -$3,450 |
| -$3,369 | Net after 2 years | -$5,100 |
| -$3,104 | Net after 3 years | -$6,750 |
| Takes ~14.7 years to pay back at current rates | Payback period | Does not pay back at current rates (negative daily profit) |
Projections assume continuous operation, a flat $0.10/kWh rate, and no hardware degradation, pool fees, or BTC price change. Real-world ROI varies.
Best For...
Best for Profitability
Bitdeer SealMiner A3 Air$5.25/day higher profit at current rates.
Best for Home Mining
Whatsminer M30S+Score: 36/100. 75 dB noise level.
Best for Efficiency
Bitdeer SealMiner A3 Air14.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Is the Bitdeer SealMiner A3 Air or Whatsminer M30S+ more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A3 Air is more profitable at $0.73/day compared to $-4.52/day for the Whatsminer M30S+. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Bitdeer SealMiner A3 Air or the Whatsminer M30S+ better for noise-sensitive spaces?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Bitdeer SealMiner A3 Air vs Whatsminer M30S+: which fits a residential setup better?
The Whatsminer M30S+ scores 36/100 on our Home Mining Score (vs 30/100 for the Bitdeer SealMiner A3 Air). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
How far apart are the Bitdeer SealMiner A3 Air and Whatsminer M30S+ on J/TH?
The Bitdeer SealMiner A3 Air runs at 14.0 J/TH while the Whatsminer M30S+ runs at 34.0 J/TH — a difference of 20.0 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 59% better efficiency (14.0 vs 34.0 J/TH).
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