Did one of you tried one? how was it? Is it profitable please do share experiences here as well friends thanks a lot as well.
Are looking for ASIC miner or GPU cards mining rig. Both of these mining option have the different variant earning and mining coins. If you wish to mine bitcoin go with the Antminer s9 or d3. These are been consider as the best miners to earn the bitcoin. Since the hash rate is higher in these miners.
You will be able to get the more profit since the electricity is getting free of cost or cheap cost.
GPU mining is fit for ethereum and monero mining. You can check the profit in the calculator available in online.