Product code CRS305-1G-4S+IN CPU 98DX3236A1 800 MHz RAM 512 MB Storage type Flash Storage size 16 MB Switch chip model 98DX3236A1 10/100/1000 Ethernet ports 1 SFP+ cages 4 Operating system SwOS / RouterOS (Dual boot) PoE in Yes Supported input voltage 12 - 57 V (DC jack and PoE in) Number of DC jacks 2 Dimensions 141 x 115 x 28 mm Operating temperature -40°C .. +70°C tested Max power consumption 12 W License level 5