Yes, it is possible to pair a 7800X3D with 4 RAM and EXPO on.
Yes, it is possible to pair a 7800X3D with 4 RAM and EXPO on.
The op wants to run four sticks of 5200 ohms. I was just explaining that I use two 32 gig sticks at 6000 MHz without any problems.
You're asking for a specific RAM configuration. The question highlights a preference for a larger capacity setup, noting that 2x16GB sticks are not typical for DDR5.