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Upgrade options for:

• iMac 20" G4 (USB 2.0) 1.25GHz
• iMac 17" G4 (USB 2.0) 1.25GHz
• iMac 15" G4 (USB 2.0) 1.0GHz
• iMac 17" G4 (Flat Panel) 1.0GHz

Apple factory specification maximum 1.0GB, OWC tested to support 2.0GB maximum RAM.

Works with Model Identifiers: PowerMac6,1 and PowerMac6,3
Where do I find this?

Why do I need more RAM?
Memory Upgrade Options for Apple iMac G4 Models:
All iMac G4 models have two different types of memory slots:
  • One "user-installable" SO-DIMM slot
  • One "factory-installed" SDRAM slot "OWC highly recommends professional installation for this module"
  • To upgrade memory to your iMac G4's full capacity, one of each type should be installed.
User Installable Memory Slot
256MB SO-DIMM Memory Module PC2700 DDR 333Mhz
ships: Same Day
512MB SO-DIMM Memory Module PC2700 DDR 333Mhz
ships: Pending
1.0GB SO-DIMM Memory Module PC2700 DDR 333Mhz
ships: Same Day
Factory Installed Memory Slot
256MB SDRAM Memory Module PC2700 DDR 333Mhz
ships: Call
512MB SDRAM Memory Module PC2700 DDR 333Mhz
ships: Same Day
1.0GB SDRAM Memory Module PC2700 DDR 333Mhz
ships: Same Day
Note: OWC highly recommends professional
installation
for the Factory-Installed SDRAM slot.
Contact our Customer Service for assistance.

Hard Drive Upgrade Options
western digital
Western Digital
160GB 8MB $82.99
250GB 8MB N/A
500GB 16MB $97.99
OWC Warranty
All OWC Memory is covered by an OWC Memory Lifetime Limited Warranty including the OWC Lifetime Advanced Replacement Program and 30 Day Money Back Guarantee! This warranty shows our commitment and confidence in the product we sell. OWC certifies and tests ALL OWC memory to ensure that this memory meets or exceeds the specifications for those systems a module is listed as being correct/compatible with. Unlike the competition, OWC owns and maintains our own lab that includes nearly every Apple/Mac model we list compatibility for.

In addition to the long testing every OWC module undergoes before shipping (which goes well beyond industry standard 'short testing'), we also continuously batch test modules in the actual systems they are offered for. You can count on OWC to consistently deliver the top quality memory products you need, correct for your system for a lifetime of reliable operation.
Click here for Warranty/Guarantee Details
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