home Mining Alpha Miner GPU-200 Mining Rig 250 MH/s, 9 x AMD RX470/570. Now on Sale Only $1,295 with PSU! Alpha Miner GPU-200 Mining Rig 250 MH/s, 9 x AMD RX470/570. Now on Sale Only $1,295 with PSU! By eBitcoin Posted in Mining Posted on April 21, 2019