Sales are back at bitmaintech
But Todays PPS/TH Earning Rate is
0,00104241 BTC 0,00097267 BTC and S9 price is still overvalued.
yeah more due to short warranty time and poor quality warranty,but if you have cheap power they would be good at that price with a solid warranty.
gone are the days that 10 cent power was okay to profit. Now six cent plus trouble free gear are needed.