Compaq Presario SR5207ES can be upgraded to a maximum memory of
8.0 GB , this system has 4 sockets to install
Memory and comes already installed with 2.0 GB (removable) of standard Memory. Compaq Presario SR5207ES takes PC2-5300 / PC2-6400 DDR2 SDRAM DIMMs. Supports Dual Channel DDR2 . You may choose the following Memory Upgrades.