This PSU has enough juice to power four RTX 4090s — the HELA 2500R comes with four 12V-2×6 connectors and requires a special wall plug

This 2,500-watt PSU can power four high-powered GPUs natively. SilverStone designed for it for professional applications like AI research, and you need a 240-volt outlet to power it. 

This 2,500-watt PSU can power four high-powered GPUs natively. SilverStone designed for it for professional applications like AI research, and you need a 240-volt outlet to power it.