I've been using the fractal 860 watt platinum. I have 2 of them and I swear by them. They aren't hooked together, I have a corsair 850 gold paired with one of them on my big rig, the other powers my smaller rig. I do 3 cards with one and 4 with the other. Pushes 3 5700xts and a 1660s easy.

https://www.amazon.com/dp/B07VVRQRN7?psc=1&ref=ppx_yo2_dt_b_product_details

https://www.amazon.com/gp/product/B08SQ7FD8X/ref=ppx_yo_dt_b_asin_title_o07_s00?ie=UTF8&psc=1