DragonBall Miner A21 – 3.4Gh/s NexaPow ASIC Miner for NEXA

The DragonBall Miner A21 is a high-performance ASIC miner built for the NexaPow algorithm, specifically designed to mine Nexa (NEXA) coins. Released in January 2025, the A21 delivers a solid hashrate of 3.4Gh/s while consuming 1800W of power, resulting in an impressive energy efficiency of 0.529 J/Mh. This model combines powerful performance with a durable industrial-grade design, featuring 4 cooling fans, a 75dB noise level, and wide voltage support (160–300V). Its robust build and efficient operation make it ideal for both professional and large-scale mining setups focused on NEXA profitability.

📊 Specifications

Specification	Details
Manufacturer	DragonBall Miner
Model	A21
Also known as	DragonBall Miner A21
Release	January 2025
Algorithm	NexaPow
Coin	NEXA (Nexa)
Hashrate	3.4 Gh/s
Power	1800 W
Efficiency	0.529 J/Mh
Size	360 x 185 x 290 mm
Weight	16100 g
Noise level	75 dB
Fan(s)	4
Voltage	160 – 300 V
Interface	Ethernet
Operating Temp.	5 – 40 °C
Humidity Range	10 – 90 %