How much RAM does the ASRock Fatal1ty X79 Professional support?

The Fatal1ty X79 Professional supports up to 32GB of memory across 4 slot(s), up to 8GB per slot.

What type of memory does the Fatal1ty X79 Professional use?

It uses DDR3 DIMM memory modules.

Guaranteed-compatible DDR3 DIMM upgrades for the ASRock Fatal1ty X79 Professional, 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.

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Guaranteed-compatible DDR3 DIMM upgrades for the ASRock Fatal1ty X79 Professional, 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.