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21energy
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ASIC
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Sha256
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RELEASED OCT 2026
21energy Ofen 3 Base — Profitability Simulator
Profit /day
$-0.64
Income /day
$1.76
0.00001793 BTC/day
Cost $2.40 @ $0.1/kWh
Hashrate
40.0Th/s
Sha256
Power · Efficiency
1000.0W
25.00 j/Th
21energy Ofen 3 Base loses up to $0.64 a day, best on Sha256 hashpower sale. Also available: mining Sha256 at 40.0 Th/s ($-0.96/day). Pulling 1,000 W from the wall — at $0.10/kWh, not quite breaking even at today's rates.
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9 minutes ago
Similar miners ↓
Tap to switch · 7 sections Profitability Simulator 4/7
Profitability Simulator · Bitcoin
Bitcoin network →
Network hashrate
1.05 ZH/s
This rig
40.0 Th/s
Network ≈
26,320,981 rigs
Your share · 1 rig
—
Scenario · add 1 of this rig
vs Bitcoin network: 1.05 ZH/s
| Rigs × Qty | Share | Rev /rig/day | Cost /rig/day | Profit /rig/day | Total profit /day |
|---|---|---|---|---|---|
| — | — | — | — | — | — |
Profit vs quantity added
Adjust the Quantity slider to see how adding more of this rig affects earnings.
Open in Mining Profitability Simulator — compare against other rigs
Add up to 4 rigs, plug in your own electricity rate, and stress-test network dilution at farm scale.
Profit vs cost
cost 166.67%
Tap to switch · 7 sections Profitability Simulator 4/7
Profitability Simulator · Bitcoin
Bitcoin network →
Network hashrate
1.05 ZH/s
This rig
40.0 Th/s
Network ≈
26,320,981 rigs
Your share · 1 rig
—
Scenario · add 1 of this rig
vs Bitcoin network: 1.05 ZH/s
| Rigs × Qty | Share | Rev /rig/day | Cost /rig/day | Profit /rig/day | Total profit /day |
|---|---|---|---|---|---|
| — | — | — | — | — | — |
Profit vs quantity added
Adjust the Quantity slider to see how adding more of this rig affects earnings.
Open in Mining Profitability Simulator — compare against other rigs
Add up to 4 rigs, plug in your own electricity rate, and stress-test network dilution at farm scale.
Frequently asked
About the 21energy Ofen 3 Base
Is the 21energy Ofen 3 Base profitable?
As of October 2026, the 21energy Ofen 3 Base earns $-0.96/day mining Sha256 at an electricity cost of $0.1/kWh. At this electricity rate it is not profitable.
How does Sha256 network hashrate change 21energy Ofen 3 Base profit?
When Sha256 network hashrate rises, your share of block rewards shrinks proportionally — the 21energy Ofen 3 Base earns less even if the coin price stays flat. The simulator above lets you scale network hashrate up or down to model competitive pressure from new miners coming online.
What if the Sha256 coin price moves?
Block rewards are paid in the native coin, so daily revenue scales with price. Doubling the price roughly doubles the 21energy Ofen 3 Base's revenue — and because electricity is fixed, profit grows by more than 2×. The simulator above lets you set a custom price to model upside or downside.
