Yes, the B450 Aorus Elite is suitable for the R9 3900X.
Yes, the B450 Aorus Elite is suitable for the R9 3900X.
Yes, you can upgrade from R7 2700X to R9 3900X without replacing the motherboard.
It's possible if you're okay with reducing the CPU speed or risking overheating the board
Fire? That’s a big deal! For a safe CPU choice beyond the R7 2700X, look into mid-range options like the AMD Ryzen 5 or Intel Core i5. They offer good performance without breaking the bank.
I don’t suggest going for 2700X on this board, since it won’t cause any issues even at stock configurations—this applies to any CPU as well.
Based on the chart, this motherboard supports an OC'd R7 3700X with minor airflow enhancements.