8 Hot-plug System Nodes in 4U; Each node supports: 1. Dual socket R3 (LGA 2011) supports Intel® Xeon® processor E5-2600 v3 family; QPI up to 9.6GT/s 2. Up to 512GB ECC DDR4 2133MHz;8x DIMM sockets 3. 1x PCI-E 3.0 x16 (LP) slot 4. I/O ports: 2 GbE ports, 1 Built-in video,1 COM port onboard, 2 USB 3.0 ports 5. Built-in Server management tool(IPMI 2.0, KVM/media over LAN) with dedicated LAN port 6. 2x 2.5" Hot-swap SAS3 HDD Bays;SAS3 (12Gbps) via LSI 3008 7. 1620W Redundant Power Supplies Platinum Level (94%)