As seen in:
SOLminer is a blockchain company that specializes in manufacturing large scale modular cryptocurrency mining rigs, these rigs are known as SOLminer Cubes.
The SOLminer Cube is a 10 foot shipping container packed full of 40 computers, each with 8 graphics cards (GPUs), totaling 320 GPUs. Currently, each SOLminer Cube has approximately 19,000 mH/s of mining power on the Ethereum network. The SOLminer Cube utilizes patent pending airflow technology that allows for reliable operation with only airflow, no need for air conditioning. Using only airflow allows the system to operate more energy efficiently and allows for operating in a wider range of environments. SOLminer Cubes are available for purchase.