I'm not philipma1957 but you can check on this thread he made: https://bitcointalk.org/index.php?topic=5144362.660

He constantly posts the hadware he's using at the moment, he uses a mix of hardware, GPUs, CPUs and Asics, and if you have any doubts, post there and it's easier to obtain an answer  
He uses a mix of electricity system too, regular one and solar, it's very interesting to follow his work, this guy has a lot of knowledge