Bitdeer SealMiner A3 Air vs Bitdeer SealMiner A3 Pro Air
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitdeer SealMiner A3 Air | Specification | Bitdeer SealMiner A3 Pro Air |
|---|---|---|
| 260.0 TH/s | Hashrate | 290.0 TH/s |
| 3,640 W | Power Consumption | 3,625 W |
| 14.0 J/TH | Efficiency | 12.5 J/TH |
| 75 dB | Noise Level | 75 dB |
| 15.5 kg | Weight | 15.5 kg |
| 12,420 BTU/hr | BTU Output | 12,369 BTU/hr |
| 30/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitdeer | Manufacturer | Bitdeer |
Profitability Comparison
Bitdeer SealMiner A3 Air
Bitdeer SealMiner A3 Pro Air
Based on BTC price of $78,233 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Weighing six performance factors, the Bitdeer SealMiner A3 Pro Air comes out ahead — it takes 3 of 4 (efficiency, hashrate, power consumption). The standout gap is 11% better efficiency (14.0 vs 12.5 J/TH) in the Bitdeer SealMiner A3 Pro Air's favour. That said, the Bitdeer SealMiner A3 Air isn't beaten everywhere — it still wins price-performance. Cross-check the spec deltas and ROI table above against your own electricity rate before deciding.
Spec Deltas
The Bitdeer SealMiner A3 Air and Bitdeer SealMiner A3 Pro Air diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitdeer SealMiner A3 Pro Air 12% more hashrate (260 vs 290 TH/s)
- Bitdeer SealMiner A3 Pro Air 11% better efficiency (14.0 vs 12.5 J/TH)
Cost & ROI Over Time
A miner pays for itself in profit, not specs. These projections track upfront cost against one, two and three years of net earnings at $0.10/kWh.
| Bitdeer SealMiner A3 Air | Metric | Bitdeer SealMiner A3 Pro Air |
|---|---|---|
| $3,900 | Upfront cost (MSRP) | $4,895 |
| $0.62 | Daily net profit | $1.74 |
| -$3,672 | Net after 1 year | -$4,260 |
| -$3,444 | Net after 2 years | -$3,624 |
| -$3,216 | Net after 3 years | -$2,989 |
| Takes ~17.1 years to pay back at current rates | Payback period | Takes ~7.7 years to pay back at current rates |
At the default rate, the Bitdeer SealMiner A3 Pro Air reaches break-even first — but plug in your own electricity cost above, since payback shifts sharply with it.
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 Pro Air$1.12/day higher profit at current rates.
Best for Home Mining
TieBoth miners are equally suitable for home use.
Best for Efficiency
Bitdeer SealMiner A3 Pro Air12.5 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Bitdeer SealMiner A3 Air vs Bitdeer SealMiner A3 Pro Air: which one earns more per day?
At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A3 Pro Air is more profitable at $1.74/day compared to $0.62/day for the Bitdeer SealMiner A3 Air. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitdeer SealMiner A3 Air or Bitdeer SealMiner A3 Pro Air?
Both miners have similar noise levels. Check the specs table above for exact decibel readings.
Which is better for home mining, the Bitdeer SealMiner A3 Air or Bitdeer SealMiner A3 Pro Air?
Both miners score similarly on our Home Mining Score. Consider your specific constraints (noise tolerance, available power, heat needs) to decide.
Bitdeer SealMiner A3 Air vs Bitdeer SealMiner A3 Pro Air: how much does the efficiency gap matter?
The Bitdeer SealMiner A3 Air runs at 14.0 J/TH while the Bitdeer SealMiner A3 Pro Air runs at 12.5 J/TH — a difference of 1.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 11% better efficiency (14.0 vs 12.5 J/TH).