M506464H20C-37B Legacy 512MB PC2-4200 DDR2 30 Days Warranty | eBay
Memory Ram Ddr2 4gb, 24 Pin Large Capacity 800 Mhz Ddr2 Computer Desktop Gaming Memory Module, Designed For Amd, Plug And Play - Pc Hardware Cables & Adapters - AliExpress
G.SKILL 4GB (2 x 2GB) DDR2 1200 (PC2 9600) Dual Channel Kit Desktop Memory Model F2-9600CL5D-4GBPI - Newegg.com