A-Tech 16GB Kit (2x8GB) RAM for Acer Altos Series G5450 | DDR2 667MHz PC2-5300 ECC RDIMM Registered DIMM 240-Pin 1.8V Server Memory Upgrade Modules at Amazon.com
Zopsc DDR2 4GB RAM 800MHz Memory Module for AMD CPU Stable Fast Data Transmission 240PIN for High Anti-Interference and Antistatic for Desktop Computer, Plug and Play at Amazon.com