MicroBT Whatsminer M20S is another product of MicroBT Company, which was introduced to the computer parts market in August 2019. This miner device is based on SHA-256 algorithm with a hash rate of 70Th / s ± 5% and will have a power consumption of 3360 watts with a working efficiency of 0.048j / Gh.
Whatsminer M20S is made with TSMC chipset and the size of each chip is 12 nanometers. How to connect to the network of Whatsminer M20S micro miner will be via Ethernet, which will have high security compared to wireless.
source : https://elictronics.co/shop/microbt-whatsminer-m20s/