• 20× Gigabit SFP slots and 4× Gigabit RJ45/SFP Combo ports_x000D_ • 4× 10 Gbps SFP+ slots_x000D_ • 128 Gbps switching capacity per unit_x000D_ • Dual internal power supplies provide mutual backup_x000D_ • Physical stacking up to 4 units for built-in redundancy and performance_x000D_ • L3 features: RIP, OSPF, Static Routing, and DHCP Server/Relay_x000D_ • Security strategies: ACL, Port Security, DoS Defend, 802.1X_x000D_ • ERPS supports rapid protection and recovery in a ring topology_x000D_ • Centralized cloud management via the Omada SDN controller_x000D_ • Standalone management via web, CLI, SNMP, and RMON_x000D_