How much RAM does the ASRock Z77 Pro3 support?

The Z77 Pro3 supports up to 32GB of memory across 4 slot(s), up to 8GB per slot.

What type of memory does the Z77 Pro3 use?

It uses DDR3 DIMM memory modules.

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ASRock Z77 Pro3Memory Upgrades

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System specifications for ASRock Z77 Pro3

Specifications reported for the ASRock Z77 Pro3.

Memory type: DDR3
Form factor: DIMM
Memory slots: 4
Maximum memory: 32GB
Max per slot: 8GB
Rated speed: 1066 MT/s
ECC: none

Good to know

Faster modules automatically run at your system's maximum supported speed.
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.

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

Checks the drivers on your ASRock Z77 Pro3, installs the safe updates Windows offers, guides the rest to the official download — and confirms exactly which of the upgrades above your machine has room for.

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Your system

ASRock Z77 Pro3Memory Upgrades

Change system Auto-detect

9 guaranteed-fit options

This option is out of stock.

System specifications for ASRock Z77 Pro3

Specifications reported for the ASRock Z77 Pro3.

Memory type: DDR3
Form factor: DIMM
Memory slots: 4
Maximum memory: 32GB
Max per slot: 8GB
Rated speed: 1066 MT/s
ECC: none

Good to know

Faster modules automatically run at your system's maximum supported speed.
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.

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

ASRock Z77 Pro3Memory Upgrades

Choose your upgrade

System specifications for ASRock Z77 Pro3

Software

ASRock Z77 Pro3Memory Upgrades

Choose your upgrade

System specifications for ASRock Z77 Pro3

Software