it’s impossible to profitably mine Bitcoin with your computer, you’ll need specialized hardware
Bitcoin mining is performed on dedicated Bitcoin mining hardware
usually in thermally-regulated data-centers with access to low-cost electricity.
An efficient Bitcoin miner means that you pay less in electricity costs per hash.The miners in the table below are currently the most efficient Bitcoin miners on the market.
https://goo.gl/kZta3a
Looks nice
thanks..u