bitmain s9
http://click-here39506.tinyblogging.com/The-Fact-About-antminer-s9-buy-That-No-One-Is-Suggesting-30829322
The Antminer S9 is in the last group of miners (ASICs). Early Bitcoin shopper versions authorized people to employ their CPUs to mine. As being the network hashrate grew with extra ability efficient GPU miners