Not compatible

Does 32GB DDR4 (2x16GB) work with the X670E?

No — not compatible: 32GB DDR4 (2x16GB) with X670E. Memory mismatch: DDR4 RAM in a DDR5-only board. Live eBay prices.

How they line up

Spec
X670E X670E
32GB DDR4 (2x16GB) 32GB DDR4 (2x16GB)
Socket
AM5
Memory
DDR5
DDR4

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32GB DDR4 (2x16GB)
X670E

Common questions

Memory mismatch: DDR4 RAM in a DDR5-only board.