Huawei Data Communication,S310s,S310s-4p8un2x,S310s-4p8un2x (4*10/100/1000base-T Ports(Poe+), 8*10/100/1000/2.5gbase-T Ports(4*Poe+, 4*Poe++), 2*10ge Sfp+ Ports, 120w Poe, 1*220v Power Adapter, Fanless)