CPU Type: Dual Intel Xeon E5-2600 Series Number of DDR3 Slots: 16 x 240pin PCI Express 3.0 x16: 4 PCI Express x8: 1 (PCIe 3.0) PCI Express x4: 1 (PCIe 3.0) LAN Chipset: 4 x GbE LAN Speed: 10/100/1000Mbps Max LAN Speed: Quad 10/100/1000Mbps