NOTE: AMD Opteron 8000 Series processors are 64-bit, dual-core, and support AMD Virtualization and DDR2 memory technology. AMD Opteron 8000 Series processors are connected through 1 GHz HyperTransport links.
NOTE: HP ProLiant BL45p G2 processor option kits (-B21) contain two processors.
NOTE: The HP ProLiant BL45p G2 only supports 2 and 4 processor configurations.
NOTE: There are four mezzanine adapter card connectors on the HP BL45p G2 motherboards. There are two dedicated networking connectors which support two (2) optional Ethernet NIC mezzanine adapter cards, either the HP NC320m PCI Express Dual Port Gigabit server adapter or the HP NC374m PCI Express Dual Port Multifunction Gigabit server adapter. The other two (2) connectors are dedicated for optional, fibre channel mezzanine card adapters.