We sell ASIC miner OBELISK – GRN1 IMMERSION – 840GPS for very good and affordable prices. You will receive a ready to mine OBELISK GRN1 that will allow you to mine the most popular digital currencies. Model GRN1 Immersion from Obelisk mining Cuckatoo31+ algorithm with a maximum hashrate of 840h/s http://cruzucgxi.tblogz.com/asic-miner-obelisk-grn1-immersion-840gps-grin-miner-power-supply-included-19481486