DragonBall A21 is a robust Nexa miner that offers a hash rate of 3.4 Gh/s and consumes 1800 W of power. The miner employs the Nexa Pow algorithm, making it a favourable choice for Nexa miners. It requires an input voltage between 165 – 300 V and uses the ethernet connection. The miner weighs 16100 g and is 360 x 185 x 290 mm in size.

The ideal temperature range for the miner is between 0 to 40 degrees Celsius and a humidity level between 10 and 90%.