This is the only card I would recommend. I bought 6 of them. They have an extremely fast write rate so it can handle the high 400 All-i codec with no issues, as well as the 6k setting too. I opted for several of these vs the Atomos with an SSD.

https://www.amazon.com/dp/B07VY8KG3R/ref=cm_sw_r_cp_apa_glc_fabc_6G2WXMRA52B475VSB3N0?_encoding=UTF8&psc=1