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OWC SSD Flash Storage UpgradesiMac G4 15" & 17" Early 2003


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Up to 12x the capacity of the original drive

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Up to 41x faster than the original drive


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Money Back Guarantee
Test drive your OWC SSD for 30 Days. If you're not satisfied send it back for a full refund

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Quality You Can Trust
OWC SSDs are made to the highest quality standards, built for your Mac first

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Free Install Videos
Step-by-step videos guide you through the entire installation process

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Free Shipping
Free shipping on all OWC SSD orders


Icon Search How to find Model ID

Works with the following model IDs:

  • PowerMac4,2
  • PowerMac4,5
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SSD Flash Storage Options For Your Mac

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OWC Mercury Pro Legacy

 

OWC Neptune 6G

 
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High performance for everyday tasks – up to 511MB/s

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Backed by OWC’s 3-Year Limited Warranty.

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Engineered for Mac first. No extra software needed.


OWC Neptune 6G

Drive Only +Up to 2 x Drives Inside!

120GB $17.75 Learn More Buy Now
250GB $38.75 Learn More Buy Now
500GB $69.75 Learn More Buy Now

OWC Data Doubler

Add a second drive in your Mac


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Quality & Performance You Can Trust

OWC SSDs are built to the highest quality standards, custom made for Mac first and rigorously lab tested for reliable performance long into the future.

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Industry Leading Warranty & Support

All OWC SSDs are backed by exceptional warranties up to 5 years, as well as our expert customer support program.

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30 Day Money Back Guarantee

Test drive your OWC SSD for 30 Days. If you are not completely satisfied, simply contact OWC Customer Service to request a full refund. No hassle, no restocking fees - that's the OWC Difference.