How much RAM does the ASUS M4A78 support?

The M4A78 supports up to 16GB of memory across 4 slot(s), up to 4GB per slot.

What type of memory does the M4A78 use?

It uses DDR2 DIMM memory modules.

Guaranteed-compatible DDR2 DIMM upgrades for the ASUS M4A78, in matched-kit options that fill your slots.

This option is out of stock.

Specifications reported for this system.

Good to know

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Guaranteed-compatible DDR2 DIMM upgrades for the ASUS M4A78, in matched-kit options that fill your slots.

This option is out of stock.

Specifications reported for this system.

Good to know

Maximum capacity per slot is inferred from total capacity ÷ number of slots.

Compatibility is based on published specifications, not yet confirmed against a manufacturer tool.