52-Port Gigabit PoE+ Nuclias Smart Managed Switch including 4x 1G Combo Ports, 370W (With 1 Year License) *48 x PoE+ 10/100/1000Mbps *4 x Combo 1000BaseT/SFP ports *PoE Budget 370W *D-Link Nuclias Cloud Management *Zero-touch deployment *Over-the-air firmware updates through the cloud *Voice VLAN *Port 1-48 802.3at, IEEE 802.3af *Half-/Full-Duplex, auto-negotiation, Auto MDI/MDIX *EEE 802.3x Flow Control *2 x Fans *802.1w Rapid Spanning Tree (RSTP) *802.3ad Link Aggregation *IGMP Snooping *Configurable VLAN groups 256 *Jumbo frame *Switching capacity 104 Gbps *MAC Address table size 16k *Time-based PoE *MAC/IP-based ACL max 768 entries *IEEE 802.3az EEE