Supermicro SSE-X3348S 10Gb/s and 40Gb/s 1U Ethernet switch with SMIS (Supermicro Inteligent Switch) software, 48 SFP+ ports and 4 QSFP+ ports, 2 power supplies (AC), standard (C2P) airflow
This Supermicro SSE-X3348S Layer 3 Ethernet Switch has forty-eight 10-Gigabit Ethernet ports allowing data center friendly connectivity to 10GbE routers, servers, backbones. It also offer four ports running at 40GbE for access to high-speed backbone networks or storage servers. The 1U form factor gives users the ability to optimize deployment in standalone or top-of-rack environments.
Additional information from manufacturer page SSE-X3348S.