This model miner machine is used condition one SHA-256 Algorithm ASIC miner designed to mine Bitcoin and other SHA-256 coins. Chip boards to ensure low energy consumption(3420W) and proper hash rate (68TH/s). Powerful fans design to cool down chips and miner during operation. Please kindly note that the required input voltage for Canaan Avalon 1126 is 220V. Wrong input voltage may cause damage to the miner.