Mellanox AS4610-54T Broadcom Helix 4 based 1GbE/10GbE Ethernet switch with ONIE boot loader, 48 RJ45 and 4 SFP+, 2 QSFP+ stacking ports, 2 hot-swappable 150W power supplies (AC), ARM CPU, short depth, system fan-less design, C2P airflow

This Mellanox AS4610-54T is a high-performance Gigabit Ethernet Layer 3 switch family featuring 54 ports; with 48 10/100/1000BASE-T ports, 4 x 10G SFP+ uplink ports, and 2 x 20G QSFP+ stacking ports (Stacking capability subject to NOS implementations). The AS4610-54T is ideal as a data center top-of-rack switch or IPMI (Intelligent Platform Management Interface) switch, it includes redundant hot-swappable AC PSUs and port-to-power airflow.
Additional information from manufacturer page AS4610-54T Series Product Brief.

Mellanox AS4610-54T Broadcom Helix 4 based 1GbE/10GbE Ethernet switch with ONIE boot loader, 48 RJ45 and 4 SFP+, 2 QSFP+ stacking ports, 2 hot-swappable 150W power supplies (AC), ARM CPU, short depth, system fan-less design, C2P airflow