Two important factors determine the best hardware for Bitcoin mining:
The Hash Rate
The electric consumption efficiency
The Bitcoin Mining ASICs
The ASICs (chips of integrated circuits of specific application) are hardware specialized for mining Bitcoin created exclusively to solve the blocks of mathematical problems Bitcoin. They have only the minimum requirements to fulfill their function efficiently.
As Bitcoin mining increases in popularity and the price of Bitcoin currency rises, so does the value of Bitcoin ASIC hardware mining. As the hardware for Bitcoin mining increases, the difficulty of the problems increases to increase security. This makes it currently impossible to compete profitably without a Bitcoin ASIC system.
A successful brand to start is BITMAIN, a company par excellence in ASIC miners for retailers or retail, because it produces reliable and powerful hardware that adapts in prices to the needs of retailers worldwide. When you buy a Bitmain, make sure your device is an S7 or better.
Best ASIC Hardware for Bitcoin Mining