Awesome, these would be our compatible kits here:
https://www.amazon.com/dp/B07J6M1BWM
https://www.amazon.com/dp/B0799CGYN5
Both these kits will have 2x 8 pin PCI-E options for you. Or, if you just want the PCI-E cables, you can find those here:
Thank you for the mention!
We have compatible cables for that PSU here: https://usstore.cablemod.com/products/?filter_series=c-series-rmi-rmx
Available on Amazon as well: