Ports   24 x Ethernet 10Base-T, Ethernet 1000Base-TX, Ethernet 100Base-TX  Media interfaces RJ-45 10/100/1000T  Switching Features  24 10/100/1000T ports   Auto-negotiation & MDI/MDIX ports   Sturdy metal case   Wirespeed, Non-Blocking, technology   Internal power supply   Desktop or Rack/Wall Mountable   Power Supply 20.1W Voltage 100-240V AC   Frequency 50/60Hz   Current 1.0A