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http://articlesource49741.blogstival.com/17463417/how-to-mine-bitcoin-whatever-you-required-to-know
AntMiner is a trademark name for bitcoin mining ASIC equipment. ANTMINER S1 is a Bitcoin mining gear with a rate of 180 GH/s. AntMiner U1 Spec: Default hash rate: 1.6 GH/s, over clock by command. Power usage: 2