There are plenty of mining equipment manufacturers in the market; however most of them are doing mining scams. So, therefore, it is advisable to first go through the website, read the testimonials, and then get a best ROI Hardware from a reliable mining equipment manufacturer. Some of the reliable ROI hardware are -
ASIC Bitcoin Miner
ASIC Bitcoin Miner is the best ROI hardware that helps in mining Bitcoin profitably on specialized computers. These are basically used in huge data centers that have access to cheap electricity.
In case, you are planning to mine Bitcoin for hobby, then you can opt for Avalon 6, Antminer R4, Antminer R7, Antminer S5, SP20 Jackson, and Antminer S7. The Avalon 6 is efficient with 0.29 Watts/GH, Antminer S7 with 0.25 Watts/GH. The Antminer S7 comes at competitive price and gives 4.5 TH/s hash power. Good mining hardware have high hash rate. Efficiency is most important in the best hardware.
Apart from this, miners can invest in Bitcoin mining
from the leading cloud mining company, Hashgains that provides best-in-class cryptocurrency mining platform at competitive prices.