An ASIC miner, or Application-specific integrated circuit, is the long-standing choice for Bitcoin mining hardware in 2019. These tiny little computer chips have been built with the sole purpose of solving blocks, and far outperform their CPU and GPU counterparts. Choosing the best BTC miner for your mining operation can be a tricky decision, especially if you are new to the industry (If so, read our post, What is Bitcoin Mining). Regardless of a ASIC miner’s potential profit, its initial cost will do much to lay the timeline for your ROI. If you plan to invest in Bitcoin mining this year, here are some ASIC miners to look at;