Compaq ProLiant 800 6/500 can be upgraded to a maximum memory of
1.0 GB , this system has 4 sockets to install
Memory and comes already installed with 64 MB (removable) of standard Memory. Compaq ProLiant 800 6/500 takes PC100 SDRAM DIMMs. Supports Registered ECC. . You may choose the following Memory Upgrades.