Check out the Canaan Avalon Nano 3, it’s portable small heater from Canaan, comes with a maximum hash rate of 4Th/s for a power consumption of 140W. With an efficient air cooling system, Avalon Nano 3 dissipates heat effectively, preventing machine overheating while aiding an excellent energy efficiency of 35j/Th at https://miningnow.com/asic...