Manufacturer
21energy ASIC miners
We track 6 21energy miners on the SHA-256 algorithm. None of them turn a profit at $0.08 per kWh right now. The closest is the Ofen 2 Pro, at -$0.33 a day, so these need cheaper power.
- Miners tracked
- 6
- Profitable now
- 0at $0.08/kWh
- Most profitable
- Ofen 2 Pro-$0.33/day
- Most efficient
- Ofen 2 Pro18.3 J/TH
Every 21energy miner, by daily profit
Tap a miner for its full specs, profit history and payback time.
| # | Miner | Hashrate | Power | Efficiency | Profit / day | Price |
|---|---|---|---|---|---|---|
| 1 | 21energy Ofen 2 Pro | 60 TH/s | 1,100 W | 18.3 J/TH | -$0.33 | – |
| 2 | 21energy Ofen 3 Pro | 60 TH/s | 1,100 W | 18.3 J/TH | -$0.33 | – |
| 3 | 21energy Ofen 3 Pro XL | 120 TH/s | 2,200 W | 18.3 J/TH | -$0.66 | – |
| 4 | 21energy Ofen 2 | 40 TH/s | 1,000 W | 25.0 J/TH | -$0.73 | – |
| 5 | 21energy Ofen 3 Base | 40 TH/s | 1,000 W | 25.0 J/TH | -$0.73 | – |
| 6 | 21energy Ofen 3 Base XL | 80 TH/s | 2,000 W | 25.0 J/TH | -$1.46 | – |
Profit is worked out at $0.08 per kWh using today’s network difficulty and coin prices, and changes through the day. Figures updated 23:56 UTC, 9 November 2026. How we calculate this. Estimates, not financial advice.