It uses 480v three phase at up to 440a to accomplish it. No one is going to get that in a residential setting. The unit itself probably costs on the order of $200k, and that wouldn’t include the construction of the site or any installation costs from the electrical company.
Again, large DC fast chargers are not for individual homes. Home 240v EVSEs run about 5-10kw and cost $500ish.
350kw chargers do exist and are not just marketing - they just aren’t being installed normal people’s houses. Here’s a DC fast charger for sale:
https://www.power-sonic.com/product/evdc-360na/
It uses 480v three phase at up to 440a to accomplish it. No one is going to get that in a residential setting. The unit itself probably costs on the order of $200k, and that wouldn’t include the construction of the site or any installation costs from the electrical company.