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I am planning in upgrading the hard drive on my iBook G4, what type and form factor do I get?
Your system has a Ultra ATA/100 (ATA-6) drive interface. You’ll need a 2.5” drive, I’m not that knowledgable on this SSD drive.
Here’s the guide to replacing it: iBook G4 12" 1.33 GHz Hard Drive Replacement It probably uses an IDE drive, and has a max thickness of 9.5mm. You could get a SATA SSD and a SATA-IDE converter. UPDATE: It’s a PATA drive. Here’s a Newegg link for SSD’s: https://www.newegg.com/Product/ProductLi… Good luck!