ANTMINER U3 63GH S Gridseed USB miner ASIC Bitcoin mining machine USB Bitcoin mining machine December 7, 2015 If you need this item write to skype russianmoto Related RELATED ARTICLESMORE FROM AUTHOR Will Bitcoin Reach $120,000? Billionaire Says YES! Bitcoin Forks & The Bitcoin Futures Market – Andreas M Antonopoulos – Bitcoin Boy – Litecoin Price Is EXPLODING! Is It The Next Bitcoin? LEAVE A REPLY Cancel reply Notify me of follow-up comments by email. Notify me of new posts by email.