
$-1.94/day
Updated: Nov 18, 2025
DragonBall
DragonBall Miner A21 (3.4Gh)
Model DragonBall Miner A21 (3.4Gh) from DragonBall mining NexaPow algorithm with a maximum hashrate of 3.4 GH/S for a power consumption of 1800 W
$6,999.00
·Out of Stock
Algorithm:NexaPow
Specification
Hashrate
3.4 GH/S
Power
1800 W
Efficiency
529.41 J/Gh
DragonBall Miner A21 (3.4Gh) Revenue
USD/kWh
NEXANEXA$0.000+0.0% (3M)
DragonBall Miner A21 Specifications
Model:
DragonBall Miner A21 (3.4Gh)
Manufacturer:
DragonBall
Released on:
Jan-2025
Algorithm:
NexaPow
Hashrate(±10%):
3.4 GH/S
Power consumption(0±10%):
1800 W
Efficiency:
529.41 J/Gh
Weight:
16.1 KG
Size:
360x185x290(mm)
Fan(s)
-
Cooling mode
Air
Noise level
75 db
Interface
Ethernet
Voltage
160 - 300V
Temperature
5 - 40 °C
DragonBall Miner A21 Mineable Coins
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DragonBall Miner A21 Mining Pools
Pool
Payout Threshold
Reward Method Fee
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Purchasing Guidelines
1
The shipping costs, customs charges, and taxes (if any) are not included in the retail price shown above.
2
After an order has been submitted, a request to cancel the order, refund any part of the ordered amount or change the ordered item(s) to different item(s) or different batch(es) will not be entertained by LEEDMINER.
3
The pictures shown are for reference only; the final shipment version shall prevail.
Important Notice
Please read the above purchasing guidelines carefully before making a purchase to ensure you understand all relevant terms and conditions.
Questions and Answers for DragonBall Miner A21 (3.4Gh)
As of Nov 18, 2025, considering an electricity cost of 0.045/KWh, the DragonBall Miner A21 (3.4Gh) has been calculated to generate:
• Daily Revenue: $0
• Daily Electricity Cost: $1.94
• Daily Net Profit: $-1.94
Projected earnings:
• Monthly Net Profit: $-58.20
• Yearly Net Profit: $-708.10
• Daily Revenue: $0
• Daily Electricity Cost: $1.94
• Daily Net Profit: $-1.94
Projected earnings:
• Monthly Net Profit: $-58.20
• Yearly Net Profit: $-708.10
No, mining profitability is not guaranteed to stay the same over time. While the current daily profit is shown above, this can fluctuate due to various factors such as:
• Global hashrate changes
• Network difficulty adjustments
• Block rewards
• NEXA Exchange rates
Be prepared for potential changes in profitability based on these market dynamics.
• Global hashrate changes
• Network difficulty adjustments
• Block rewards
• NEXA Exchange rates
Be prepared for potential changes in profitability based on these market dynamics.
The DragonBall Miner A21 (3.4Gh) has a hash rate of 3.4 GH/S with the NexaPow algorithm. Note that hashrates are only comparable between miners that use the same algorithm.
Yes, the DragonBall Miner A21 (3.4Gh) consumes 1800 W per hour. You can adjust your local electricity price in the header preferences to see profitability calculations based on your actual electricity cost.
Electricity expenses are a significant factor in mining profitability. With the power consumption of 1800 W, your daily electricity cost is 1.94. Higher electricity rates can reduce or even eliminate profits, which is why assessing local energy costs is crucial when determining if mining is viable.
With higher electricity costs, investing in a highly efficient miner like this one (efficiency: 529.41 J/Gh) becomes even more important.
With higher electricity costs, investing in a highly efficient miner like this one (efficiency: 529.41 J/Gh) becomes even more important.
The lifespan of mining hardware depends on several key factors:
• Usage intensity
• Environmental conditions (temperature, humidity: 10 - 90 %)
• Maintenance quality
• Cooling system (Air)
Proper maintenance and ideal operating conditions can significantly extend hardware longevity.
• Usage intensity
• Environmental conditions (temperature, humidity: 10 - 90 %)
• Maintenance quality
• Cooling system (Air)
Proper maintenance and ideal operating conditions can significantly extend hardware longevity.
DragonBall is the manufacturer of the DragonBall Miner A21 (3.4Gh).
The DragonBall Miner A21 (3.4Gh) consumes 1.94 worth of electricity per day at the current rate of 0.045/KWh.
The DragonBall Miner A21 (3.4Gh) is designed to mine NEXA using the NexaPow algorithm. The miner's efficiency of 529.41 J/Gh makes it specifically optimized for this cryptocurrency.