Details Product code CRS112-8G-4S-IN CPU nominal frequency 400 MHz CPU core count 1 Size of RAM 128 MB 10/100 Ethernet ports None 10/100/1000 Ethernet ports 8 MiniPCI slots 0 MiniPCI-e slots 0 Number of USB ports 0 Power Jack 1 PoE in Yes PoE out No Supported input voltage 10 V - 57 V Voltage Monitor Yes PCB temperature monitor Yes CPU temperature monitor No Dimensions 200x143x44mm Operating System RouterOS Operating temperature range -30C to +70C License level 5 Current Monitor Yes CPU QCA8511-AL1C Max Power consumption 13.5W SFP ports 4 SFP+ ports 0 Serial port RJ45