21energy ASIC miners
AsicProfit tracks 2 miners by 21energy, for SHA-256. At $0.057/kWh the most profitable right now is the 21energy Ofen 2 Pro, at $0.70 a day. The newest is the 21energy Ofen 2 (April 2026).
| Model | Profit | Hashrate | Power | Efficiency | Best price |
|---|---|---|---|---|---|
 21energy Ofen 2 Pro |
$0.70 / day | 60.0 TH/s | 18.3 J/TH | No vendor listed | |
| 21energy Ofen 2 |
$0.10 / day | 40.0 TH/s | 25.0 J/TH | No vendor listed |