Processor: IntelВ® XeonВ® E5-2620v4. Number of Processors: One. Memory: 16GB (1x16GB Registered DIMMs, 2400 MHz) Network Controller: HPE Embedded 1Gb Ethernet 4-port 331i Adapter. Storage Controller: HPE Smart Array P440ar 2G Controller. Hard Drive: None ship standard includes 6 SFF Hard Drive: blanks. Internal Storage: 8 Hot plug SFF SAS/SATA HDD Bays upgradeable to 48. Optical Drive Bay: Optional SFF Media Cage: Kit (726545-B21) Optical Drive: Optional Slim Optical Bay (SATA DVD-RW/ROM Optical Drive) PCI-Express Slots: 9 PCIe slots. Power Supply: (1) HPE 500W Flex Slot Platinum Power Supply. Fans: 3 hot swap Fans. non-redundant. Energy Star: Meets Energy Star requirements. Form Factor: Tower (5U)