Model Antminer S19 (90Th) from mining SHA-256 algorithm with a maximum hashrate of 90Th/s for a power consumption of 3250W. Mining pools: NiceHash, Poolin, AntPool etc. Most competitive and Fast Pay back bitcoin miner. Much better than Antminer T17+ 64th,T17 Plus, S17E 60th, Antminer S9j, Antminer S17pro 53th, S9j 14.5th and more stable than Antminer S17 series. Model Antminer S19 is one of the best on the market. Available with limited stock. Please kindly note that the required input voltage for S19 (90Th) is 220V. Wrong input voltage may probably cause miner damaged.