ER8411 , Network Device Type Router , 8x10/100/1000M , 1xSPF , 2xSFP+ , 2xUSB 2.0 , 1xConsole , DHCP , Memory (RAM) 4GB , Power supply requirements Redundant Dual Power Supplies (100–240 VAC, 50/60 Hz) , Included Accessories • Power Cord;• Rack-Mount Kit;• Quick Installation Guide , Dimensions 440 × 220 × 44 mm