Processor: (1) IntelВ® XeonВ® E3-1220Lv2 (2.3GHz/2-core/3MB/17W) 3MB (1 x 3MB) L3 cache. Cache Memory: 3MB (1 x 3MB) L3 cache. Memory: 4GB (1 x 4GB) PC3-12800E DDR3. DIMM: NOTE: Total of 2 DIMM Slots. Network Controller: HPE Ethernet 1Gb 2-port 332i Adapter. Storage Controller: HPE Dynamic Smart Array B120i Controller. Hard Drive: None ship standard. Internal Storage: 4 LFF NHP SATA .HDD Cage: includes 4 LFF. Hard Drive: carriers. Optical Drive Bay: 9.5mm DVD-RW included. PCI-Express Slots: 1 standard (1-Low Profile) PCIe: 2.0. Power Supply: 150W Non-Hot Plug, Non-Redundant. Fans: One (1) Non-redundant system fan ships standard. Form Factor: Ultra Micro Tower.