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Not compatible
Does 64GB DDR5 (2x32GB) work with the B450?
No — not compatible: 64GB DDR5 (2x32GB) with B450. Memory mismatch: DDR5 RAM in a DDR4-only board. Live eBay prices.
How they line up
Spec
B450
64GB DDR5 (2x32GB)Socket
AM4
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Memory
DDR4
DDR5
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Live prices
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Common questions
Memory mismatch: DDR5 RAM in a DDR4-only board.