Bitmain Antminer S21 Immersion (227Th)
Aisen A1 Pro vs Bitmain Antminer S21 Immersion (227Th)
Side-by-side specs, profitability, and home mining comparison.
Specifications Comparison
| Aisen A1 Pro | Specification | Bitmain Antminer S21 Immersion (227Th) |
|---|---|---|
| 23.0 TH/s | Taux de hachage | 227.0 TH/s |
| 2,200 W | Consommation électrique | 3,623 W |
| 95.7 J/TH | Efficiency | 16.0 J/TH |
| — | Niveau de bruit | 75 dB |
| — | Weight | 17.2 kg |
| 7,506 BTU/hr | BTU Output | 12,362 BTU/hr |
| 26/100 | Home Mining Score | 30/100 |
| — | Release Year | — |
| SHA-256 | Algorithme | SHA-256 |
| Aisen | Manufacturer | Bitmain |
Profitability Comparison
Aisen A1 Pro
Bitmain Antminer S21 Immersion (227Th)
Based on BTC price of $78,241 and current network difficulty as of May 16, 2026. Actual results vary.
Verdict
Selon notre analyse multifactorielle, le Bitmain Antminer S21 Immersion (227Th) l'emporte sur 4 des 5 facteurs (efficacité, hashrate, score de minage domestique, niveau sonore). Its biggest concrete edge: 887% more hashrate (23.0 vs 227.0 TH/s). The Aisen A1 Pro claws back ground on consommation électrique. Review the detailed specs and profitability calculations above to determine which miner best fits your specific setup.
Spec Deltas
The Aisen A1 Pro and Bitmain Antminer S21 Immersion (227Th) diverge on the metrics below — each gap expressed as a real percentage, not a vague "better":
- Bitmain Antminer S21 Immersion (227Th) 887% more hashrate (23.0 vs 227.0 TH/s)
- Aisen A1 Pro 39% better power draw (2,200 vs 3,623 W)
- Bitmain Antminer S21 Immersion (227Th) 83% better efficacité (95.7 vs 16.0 J/TH)
- Bitmain Antminer S21 Immersion (227Th) 65% more heat output (7,506 vs 12,362 BTU/hr)
- Bitmain Antminer S21 Immersion (227Th) 15% more score de minage domestique (26.0 vs 30.0)
Cost & ROI Over Time
Hardware cost is only half the story — here is how each miner's upfront price plays out against cumulative profit at a $0.10/kWh rate.
| Aisen A1 Pro | Metric | Bitmain Antminer S21 Immersion (227Th) |
|---|---|---|
| — | Upfront cost (MSRP) | $3,269 |
| -$4.45 | Daily net profit | -$0.52 |
| -$1,625 | Net after 1 year | -$3,460 |
| -$3,250 | Net after 2 years | -$3,650 |
| -$4,875 | Net after 3 years | -$3,841 |
| — | 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
TieBoth miners produce similar daily profit.
Best for Home Mining
Bitmain Antminer S21 Immersion (227Th)Score: 30/100. 75 dB noise level.
Best for Efficiency
Bitmain Antminer S21 Immersion (227Th)16.0 J/TH — lower electricity cost per terahash.
Frequently Asked Questions
Which makes more money, the Aisen A1 Pro or the Bitmain Antminer S21 Immersion (227Th)?
At the current BTC price and a $0.10/kWh electricity rate, the Bitmain Antminer S21 Immersion (227Th) is more profitable at $-0.52/day compared to $-4.45/day for the Aisen A1 Pro. Profitability depends heavily on your electricity rate — use the selector above to calculate with your actual costs.
Is the Aisen A1 Pro or the Bitmain Antminer S21 Immersion (227Th) better for noise-sensitive spaces?
The Bitmain Antminer S21 Immersion (227Th) is quieter at 75 dB compared to the Aisen A1 Pro at 0 dB. For home mining, lower noise levels make a significant difference in livability.
Which is better for home mining, the Aisen A1 Pro or Bitmain Antminer S21 Immersion (227Th)?
The Bitmain Antminer S21 Immersion (227Th) scores 30/100 on our Home Mining Score (vs 26/100 for the Aisen A1 Pro). This composite score factors in noise, power requirements, heat output, size, and setup ease — all critical for residential mining.
Aisen A1 Pro vs Bitmain Antminer S21 Immersion (227Th): how much does the efficiency gap matter?
The Aisen A1 Pro runs at 95.7 J/TH while the Bitmain Antminer S21 Immersion (227Th) runs at 16.0 J/TH — a difference of 79.7 J/TH. Lower efficiency means less electricity per terahash of mining power, directly reducing operating costs. In relative terms that is 83% better efficacité (95.7 vs 16.0 J/TH).
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