Lenovo 715952F, Port 48 x 10/100/1000 + 4 x 1 Gigabit / 10 Gigabit SFP+, Jumbo Frame 12288 bytes, Interface 48 x Gigabit LAN RJ-45, 4 x 10Gbit LAN SFP+, 1 x management (mini-USB), 1 x USB, Voltage AC 120/230 V (50/60 Hz), Protocol RIP-1, RIP-2, BGP, VRRP, OSPFv2, PIM-SM, PIM-DM, IGMPv3, OSPFv3, policy-based routing (PBR). This Lenovo RackSwitch G8052 is a top-of-rack data center switch that delivers outstanding line-rate performance at an attractive price.