Does the Z790 use DDR4 or DDR5?

Z790 boards exist in both DDR4 and DDR5 versions — the chipset supports either, so check the specific board model before buying memory.

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Yes — these are compatible

Does 16GB DDR4 SO-DIMM work with the Z790?

Yes — compatible: 16GB DDR4 SO-DIMM with Z790. Z790 boards ship in DDR4 and DDR5 variants — make sure your specific board is a DDR4 model. Live eBay prices.

✓ Memory compatible

How they line up

Spec

Z790

16GB DDR4 SO-DIMM

Socket

LGA1700

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Memory

DDR4 or DDR5 (board variant)

DDR4

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16GB DDR4 SO-DIMM

Z790

Common questions

Z790 boards ship in DDR4 and DDR5 variants — make sure your specific board is a DDR4 model.