New price for AntMiner S1: 0.831btc each one, shipping cost included.
Daily s1 going down because...no one is interested any more like it was before.
Even this price is still to high.
Simple math:
1Th/s(6x s1=1150Gh/s overclocked) cost at this time 4.986btc
customs in uk- 6x 55gbp=330 (1.14Btc)
PSU 750w x6= 96gbp (0.33Btc)
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So 1Th/s cost 6.456Btc
One s2 cost at this moment 6.57Btc + customs
A1 clone cost 2300usd which is 4.55 with psu or 4.38Btc without delivered. Ofcourse bitmain quality cannot be beaten but 1Th is 1Th dosn't matter who delivers that.
1Th/s can generate daily no more than 0.0721Btc so 1BTC will be generated at this diff every 2 weeks.
So ROI can be reached after 3-4 months, depends on diff jump.
Damn ASics are so overpriced....