32GB single stick RAM for Blades. Same manufacturer and clock speed (3200mhz) as the stock RB RAM. Only this RAM doesn't require XMP to achieve 3200 mhz. CL22. 2x for 64GB. :
Zadak 511 puts 32GB of memory onto a single stick of RAM | TechRadar
Best RAM for Gaming 2022: Fast, Cheap and RGB | Tom's Hardware