The Apple iMac G4 17" 1.25GHz uses DDR SODIMM PC2700 333MHz memory upgrades as listed in the detailed specifications below. All memory and other upgrades compatible with this system are listed on this page.

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Memory Type DDR SODIMM PC2700 333MHz
Base Memory
Upgrade Slots 1
Maximum Memory 1GB
Maximum Module Size 1GB
CPU & Chipset ~
Bus Architecture ~
Part Number 42.2C3
333MHz 200pin CL3
In Stock
$10.99
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Part Number 42.5C3
333MHz 200pin CL3
In Stock
$12.99
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Part Number 42.2C3H
333MHz 200pin CL3
In Stock
$17.99
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Part Number 42.5C3H
333MHz 200pin CL3
In Stock
$19.99
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Part Number 42.5C3
333MHz 200pin CL3
In Stock
$12.99
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Part Number 42.5C3H
333MHz 200pin CL3
In Stock
$19.99
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Part Number 42.2C3
333MHz 200pin CL3
In Stock
$10.99
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Part Number 42.2C3H
333MHz 200pin CL3
In Stock
$17.99
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Upgrade References

The table below are references to other manufacturer part numbers which are specific to this device, have identical specifications to our components. This information is made available for your reference.
Part# Source References
CT650014 512MB DDR PC2700 333MHz SODIMM Crucial 42.5C3
CT650014 512MB DDR PC2700 333MHz SODIMM Crucial 42.5C3
CT327963 256MB DDR PC2700 333MHz SODIMM Crucial 42.2C3