PowerBook G4 Titanium DVI RAM Replacement - iFixit Repair Guide
Apple Mac Upgrades - RAM, SSD Flash, External Drives and More
PowerBook G4 - Wikipedia
1GB (1x1GB) Memory RAM for Apple PowerBook G4 1.5 12" (Aluminum) BY CMS A50 | eBay
Last gen Powerbook G4 with High-Res screen restored with a 256gb SSD, 2gb RAM, and new thermal paste. Really disappointed with the OS9 support however - any suggestions? : r/VintageApple
VERY RARE** Apple PowerBook G4 A1107 17" 1.67GHz 2GB Ram 250GB HDD+accessories | eBay
My PowerBook G4 12" Journal - Full tear down, SSD upgrade and CPU Fan. | MacRumors Forums
PowerBook G4 Titanium DVI RAM Replacement - iFixit Repair Guide
1GB Team High Performance Memory RAM Upgrade Single Stick For PowerBook G4 1.5 15” (Al) M9422LL/A PowerBook 5,4 1. The Memory Kit comes with Life Time Warranty. at Amazon.com
Apple PowerBook G4 A1106 Refurbished Laptop 4GB RAM