Bitdeer SealMiner A2 Hyd vs Bitdeer SealMiner A3 Air
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Bitdeer SealMiner A2 Hyd | Specification | Bitdeer SealMiner A3 Air |
|---|---|---|
| 446.0 TH/s | Hashrate | 260.0 TH/s |
| 7,360 W | Power Consumption | 3,640 W |
| 16.5 J/TH | Efficiency | 14.0 J/TH |
| 50 dB | Noise Level | 75 dB |
| 20.5 kg | Weight | 15.5 kg |
| 25,112 BTU/hr | BTU Output | 12,420 BTU/hr |
| 44/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithm | SHA-256 |
| Bitdeer | Manufacturer | Bitdeer |
Profitability Comparison
Bitdeer SealMiner A2 Hyd
Bitdeer SealMiner A3 Air
Based on BTC price of $74,349 and current network difficulty as of Mar 16, 2026. Actual results vary.
Verdict
Based on specs, the Bitdeer SealMiner A3 Air offers 15% better efficiency at 14.0 J/TH compared to the Bitdeer SealMiner A2 Hyd at 16.5 J/TH. This directly impacts daily operating costs and long-term profitability.
Best For...
Best for Profitability
TieBoth miners produce similar daily profit.
Best for Home Mining
Bitdeer SealMiner A2 HydScore: 44/100. 50 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 A2 Hyd or Bitdeer SealMiner A3 Air more profitable?
At the current BTC price and a $0.10/kWh electricity rate, the Bitdeer SealMiner A3 Air is more profitable at $-0.36/day compared to $-3.29/day for the Bitdeer SealMiner A2 Hyd. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Which is quieter, the Bitdeer SealMiner A2 Hyd or Bitdeer SealMiner A3 Air?
The Bitdeer SealMiner A2 Hyd is quieter at 50 dB compared to the Bitdeer SealMiner A3 Air at 75 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Bitdeer SealMiner A2 Hyd or Bitdeer SealMiner A3 Air?
The Bitdeer SealMiner A2 Hyd scores 44/100 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.
What is the efficiency difference between Bitdeer SealMiner A2 Hyd and Bitdeer SealMiner A3 Air?
The Bitdeer SealMiner A2 Hyd runs at 16.5 J/TH while the Bitdeer SealMiner A3 Air runs at 14.0 J/TH — a difference of 2.5 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs.