Arch Memory 2GB 240-Pin DDR2 800 MHz UDIMM RAM for Acer Aspire X1700 AX1700-U3700A at Amazon.com
MB.SB801.002 - Acer Socket 775 ECS MCP73T-AD System Board (Motherboard) for Aspire X1700 Desktop PC
Specs Acer Aspire X1700 Tower Intel® Pentium® E2220 4 GB DDR2-SDRAM 640 GB AMD Radeon HD 4650 Windows Vista Home Premium PC Black PCs/Workstations (98.CFR7S.CCB)
Acer Desktop PC Aspire AX1700-U3700A Pentium Dual Core E2220 (2.40GHz) 4GB DDR2 640GB HDD Windows Vista Home Premium 64-bit - Newegg.com