How much RAM does the Apple iMac G5 1.8GHz support?

The iMac G5 1.8GHz supports up to 2GB of memory across 2 slot(s), up to 1GB per slot.

What type of memory does the iMac G5 1.8GHz use?

It uses DDR DIMM memory modules.

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Apple iMac G5 1.8GHzMemory Upgrades

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System specifications for Apple iMac G5 1.8GHz

Specifications reported for the Apple iMac G5 1.8GHz.

Memory type: DDR
Form factor: DIMM
Memory slots: 2
Maximum memory: 2GB
Max per slot: 1GB
Rated speed: 400 MT/s
Processor: 1.8GHz PowerPC G5

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.

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

Checks the drivers on your Apple iMac G5 1.8GHz, 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

Apple iMac G5 1.8GHzMemory Upgrades

Change system Auto-detect

6 guaranteed-fit options

This option is out of stock.

System specifications for Apple iMac G5 1.8GHz

Specifications reported for the Apple iMac G5 1.8GHz.

Memory type: DDR
Form factor: DIMM
Memory slots: 2
Maximum memory: 2GB
Max per slot: 1GB
Rated speed: 400 MT/s
Processor: 1.8GHz PowerPC G5

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.

Software

Free tools from Seifelden — no purchase needed.

Seifelden Upgrade AssistantFree

Apple iMac G5 1.8GHzMemory Upgrades

Choose your upgrade

System specifications for Apple iMac G5 1.8GHz

Software

Apple iMac G5 1.8GHzMemory Upgrades

Choose your upgrade

System specifications for Apple iMac G5 1.8GHz

Software