Check out the ElphaPex DG2+, optimized for the Scrypt mining algorithm from ElphaPex, comes with a maximum hash rate of 20.5GH/s for a power consumption of 3900W. With an efficient air cooling system, DG2+ dissipates heat effectively, preventing machine overheating while aiding an excellent energy efficiency of 0.19 j/Mh at https://miningnow.com/asic-miner/elphapex-dg2plus-20-5gh-s/