2GB Kit (2 X 1GB) Compatible Memory Upgrade for Apple Power Mac G5 1.8GHz , Dual 1.8GHz, 2GHz DDR PC3200 400MHz RAM (PARTS-QUICK BRAND) - Walmart.com
CMS 2GB (2X1GB) DDR1 3200 400MHZ Non ECC DIMM Memory Ram Upgrade Compatible with Apple® Power Mac G5 2.0 Dp (Pci-X) Ddr1 - A113 at Amazon.com
20-inch iMac G5 Memory Installation Video - YouTube
512MB kit (2x256MB) DDR400 DIMM Memory for Apple Power Mac G5 (late 20 – Aplus Technology
16GB Kit [8x2GB] Memory RAM Upgrade for the Apple Power Mac G5 (Quad 2.5GHz) | eBay
2GB [2x1GB] DDR2-533 (PC2-4200) ECC RAM Memory Upgrade Kit Certified for The Apple Power Mac G5 (Dual Core 2.0GHz) (Genuine A-Tech Brand) at Amazon.com