Compaq Presario SR5143IL can be upgraded to a maximum memory of
2.0 GB , this system has 2 sockets to install
Memory and comes already installed with 256 MB (removable) of standard Memory. Compaq Presario SR5143IL takes PC2-5300 DDR2 SDRAM DIMMs. Supports Dual Channel DDR2. . You may choose the following Memory Upgrades.