Supermicro SSE-G3648B-SMCPL1G-1P 1Gb/s and 10GB/s 1U Ethernet switch with SMIS (Supermicro Inteligent Switch) software, 48 RJ45 ports and 4 SFP+ ports, single power supply (AC), standard (C2P) airflow
This Supermicro switch SSE-G3648B-SMCPL1G-1P has forty-eight 1GbE RJ45 Ethernet ports and four 10GbE SFP+ uplinks, the switch allows connectivity at 1Gbps to servers while aggregating traffic for connection to higher speed servers, to routers, and to other backbone network switches. The compact 1U form factor gives users the ability to optimize deployment in standalone or top-of-rack environments. The switch will be delivered with a rackmount brackets.
Additional information from manufacturer page SSE-G3648B datasheet.