That sounds like hundreds of 40mm or 80mm fans running at 5000rpm. You can get a lot more airflow with less wasted power by using larger slower fans... and they won't wear out as fast.
That sounds like hundreds of 40mm or 80mm fans running at 5000rpm. You can get a lot more airflow with less wasted power by using larger slower fans... and they won't wear out as fast.
That is pretty typical of these miners, typically 1U type designs.
Heres a newer model from Bitmain https://bitmain.digital/antminers/antminer-s19pro/index.html