4 GB (2 x 2 GB 2RANK) PC2-3200R 400MHz DDR2 Option Kit NOTE: With Advanced ECC and online spare memory capabilities. 2GB 2RANK DIMM's are recommended with the HP ProLiant DL580 G3. However, 2GB 1RANK DIMM's are also supported for commonality with other HP ProLiant servers.
DL580 G3 Memory Board NOTE: The HP ProLiant DL580 G3 utilizes up to four Memory Boards that support up to four DIMMs each. These memory boards are Front accessible providing unsurpassed levels of memory protection as well as scalability for the most memory-intensive applications. See Memory Configuration Diagram. NOTE: One Memory Board ships standard with all models.