This listing is for a pair of Bitnain S3 virtual currency miners, including a Dell 750w Server power supply and a breakout board with cables. Just plug in power and internet and start mining! These small 2 miner “farms” are a great way to add EXTRA HEAT to a space, which is could effectively be FREE while you’re generating Bitcoin! Set one up in your garage and turn off that expensive space heater, these will PAY YOU while they heat! BTC price is exploding right now! The item “TWO Bitmain Antminer S3 + Corsair PSU (power supply) BTC 880GH/s” is in sale since Friday, February 24, 2017. This item is in the category “Coins & Paper Money\Virtual Currency\Miners”. The seller is “vmt2015″ and is located in Champlain, New York. This item can be shipped to United States.