Yesterday I gat confirmation mail from bitmain bought D3 miner deliver around 15 Nov it has a hash rate of 15 g/h power consumption around 1200 watt best avilable in market according to today calculation it ROI is in 14 days can't say what will happen when it will delivered hoping it may goes maximum 30 days it's price is around 1500 usd hoping it will be a good investment.
https://www.cryptocompare.com/mining/bitmain/antminer-d3-miner/