How much RAM does the ASRock 775i945GZ support?

The 775i945GZ supports up to 2GB of memory across 2 slot(s), up to 1GB per slot.

What type of memory does the 775i945GZ use?

It uses DDR2 DIMM memory modules.

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ASRock 775i945GZMemory Upgrades

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System specifications for ASRock 775i945GZ

Specifications reported for the ASRock 775i945GZ.

Memory type: DDR2
Form factor: DIMM
Memory slots: 2
Maximum memory: 2GB
Max per slot: 1GB
Rated speed: 533 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 775i945GZ, 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 775i945GZMemory Upgrades

Change system Auto-detect

4 guaranteed-fit options

This option is out of stock.

System specifications for ASRock 775i945GZ

Specifications reported for the ASRock 775i945GZ.

Memory type: DDR2
Form factor: DIMM
Memory slots: 2
Maximum memory: 2GB
Max per slot: 1GB
Rated speed: 533 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 775i945GZMemory Upgrades

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System specifications for ASRock 775i945GZ

Software

ASRock 775i945GZMemory Upgrades

Choose your upgrade

System specifications for ASRock 775i945GZ

Software