DragonBall Miner A21
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DragonBall MinerNexapowNEXA
A21
3.4 GH/s1,800 WAir-cooled
Profit / day
$0.63/day
after power at $0.08/kWh
Efficiency
529.41J/GH
Availability
Not stockedWe don’t carry this model. Ask and we’ll try to source one.—
Profitability · NexaPow · NEXA
Is the A21 profitable?
Yes. The DragonBall Miner A21 mines NEXA on the NexaPow algorithm at 3.4 GH/s, drawing 1,800 W (529 J/GH). At $0.08 per kWh it earns about $4.09 a day, spends $3.46 of that on power, and keeps $0.63. That’s around $19 a month, or $230 a year.
It isn’t in stock with us at the moment. It’s an air-cooled unit, released in December 2024.
- Break-even power price
- $0.095/kWh
- Daily profit rank
- #74of 533
It makes money below this.
Across every miner we track.
A21 specifications
| Manufacturer | DragonBall Miner |
|---|---|
| Model | A21 |
| Algorithm | NexaPow |
| Coins | NEXA |
| Hashrate | 3.4 GH/s |
| Power consumption | 1,800 W |
| Efficiency | 529 J/GH |
| Cooling | Air |
| Noise | 75 dB |
| Released | December 2024 |
More from DragonBall Miner
| Miner | Profit / day |
|---|---|
| DragonBall Miner A11SHA-512/256d | -$1.98 |
| DragonBall Miner A40Blake3 | -$2.48 |
| DragonBall Miner KS6 Pro+kHeavyHash | -$5.33 |
| DragonBall Miner KS6 ProkHeavyHash | -$5.40 |
Figures updated 00:01 UTC, 10 November 2026, using today’s network difficulty and coin prices. Estimates, not financial advice.