21energy Ofen 3 Base XL
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21energySHA-256BTC
Ofen 3 Base XL
80 TH/s2,000 WAir-cooled
Profit / day
-$1.45/day
after power at $0.08/kWh
Efficiency
25.00J/TH
Availability
Not stockedWe don’t carry this model. Ask and we’ll try to source one.—
Profitability · SHA-256 · BTC
Is the Ofen 3 Base XL profitable?
Not at $0.08 per kWh. The 21energy Ofen 3 Base XL mines Bitcoin on the SHA-256 algorithm at 80 TH/s, drawing 2,000 W (25.0 J/TH). At $0.08 per kWh it earns about $2.39 a day but spends $3.84 on power, so it loses $1.45 a day.
It’s #141 of 269 SHA-256 miners on efficiency. It isn’t in stock with us at the moment. It’s an air-cooled unit, released in December 2026.
- Break-even power price
- $0.050/kWh
- Daily profit rank
- #285of 533
It only makes money below this.
Across every miner we track.
Ofen 3 Base XL specifications
Other coins it can mine
Mine instead
BitcoinBTCRanked on
$2.390.0000317 BTC
–
0.0000092%
$31.0B
−2.0%
QuaiQUAI
$2.85395.13 QUAI
+19%
0.10%
$90kLow liquidity
+14.8%
eCashXEC
$2.63465,467 XEC
+10%
0.18%
$2.7M
−6.5%
Bitcoin CashBCH
$2.330.00980 BCH
−2%
0.0023%
$140.1M
−13.9%
DigiByte (SHA-256)DGB
$1.70562.86 DGB
−29%
0.20%
$2.3M
−4.1%
Paid on top
Fractal BitcoinFB
+<$0.010.000404 FB
+<1%
0.0000094%
$2.4M
−19.0%Volatile
NamecoinNMC
+<$0.010.0000343 NMC
+<1%
0.0000094%
$0Illiquid
+0.4%
ElastosELA
+<$0.010.0000343 ELA
+<1%
0.0000094%
$311k
−38.1%Highly volatile
HathorHTR
+<$0.010.00309 HTR
+<1%
0.0000094%
$69kLow liquidity
−17.1%Volatile
Max potential profitUnlikely
-$1.45/day
-$1.45 BTC profit + <$0.01 paid on top
How it compares · SHA-256 miners
| Miner | Rank | Efficiency | Profit / day |
|---|---|---|---|
| Bitmain Antminer S23 Hyd 3U (1.16 PH) | #1 | 9.5 J/TH | $13.48 |
| Bitdeer SealMiner A4 Ultra Hydro | #2 | 9.4 J/TH | $10.38 |
| Bitmain Antminer S23e Hyd U2H (865T) | #3 | 10.0 J/TH | $9.22 |
| Bitmain Antminer S23e Hyd 2U (865Th) | #4 | 10.0 J/TH | $9.22 |
| 21energy Ofen 3 Pro XLEarlier model | #109 | 18.3 J/TH | -$0.64 |
| 21energy Ofen 2 | #112 | 25.0 J/TH | -$0.73 |
| Heatbit Maxi Pro | #125 | 25.0 J/TH | -$1.09 |
| 21energy Ofen 3 Base XLThis miner | #138 | 25.0 J/TH | -$1.45 |
| Canaan Avalon Made A1366 | #171 | 25.0 J/TH | -$2.36 |
More from 21energy
| Miner | Profit / day |
|---|---|
| 21energy Ofen 2 ProSHA-256 | -$0.32 |
| 21energy Ofen 3 ProSHA-256 | -$0.32 |
| 21energy Ofen 3 BaseSHA-256 | -$0.73 |
Figures updated 00:01 UTC, 10 November 2026, using today’s network difficulty and coin prices. Estimates, not financial advice.