Cache Memory: 12MB L3 cache CPU Features: 80W Memory Type: DDR3 MAX Memory Capacity: 192GB Storage Controller: Smart Array P410i Controller with HP 256MB P-series cache module upgrade Media Drives: Half-Height SATA DVD-ROM Drive Ethernet Controller: Embedded NC326i PCl Express Dual Port Gigabit Server Adapter Expansion Slots: Six expansion slots (six PCI-Express Gen2)