Ports: 26 x 10/100/1000 + 2 x combo Gigabit SFP Device Type: Switch - 28 ports - L3 - managed Humidity Operating Range: 10-90% (non-condensing) Flash Memory: 16 MB Voltage Required: AC 120/230 V ( 50/60 Hz ) Power Over Ethernet (PoE): n/a Ram: 128 MB