Downlink: 24x100Mbps Ports Uplink: 2 x 1G Port or 2 SFP (Combo) (optical) 370 watt (Avg:15w Max 30W per ch) Downlink: 4x100Mbps Ports Uplink: 2x 100Mbps Port 60 watt (Avg:15w Max 30W per ch) 24x 10/100/1000 Mbps Ports All Ports Act As Both Downlink/Uplink Uplink: 2 x SFP Slots 330 watt (Avg:14w Max 32W per ch)