S1720-28GWR-PWR-4TP - Huawei S1700 Series Switches.S1720-28GWR-PWR-4TP(8 Ethernet 10/100/1000 PoE+,16 Ethernet 10/100/1000,2 Gig SFP and 2 dual-purpose 10/100/1000SFP,124W POE AC,front access)