Intel P4304SC2SHDR. RAID levels: SW Raid 0/1/10/5 (LSI + RSTE). Maximum internal memory: 128 GB. Ethernet LAN connection: 2x 1Gbe. Power supply type: AC, Power requirements: 460W Redundant Power Supply (Gold Efficiency). Dimensions (WxDxH): 6.81" x 21.5" x 17.24"