Compaq Presario SR1803WM can be upgraded to a maximum memory of
2.0 GB , this system has 2 sockets to install
Memory and comes already installed with 512 MB (removable) of standard Memory. Compaq Presario SR1803WM takes PC2-3200 DDR2 SDRAM DIMMs. Supports Dual Channel DDR2. . You may choose the following Memory Upgrades.