52-Port Gigabit Stackable Smart Managed Switch including 4 10G SFP+
- 48 x 10/100/1000Mbps Auto-Negotiating Ports
- 4 x 10G SFP+ ports
- Physical Stacking up to 6 units per stack. Physical Stacking Bandwidth of 40G full duplex. Topology support Duplex Chain/Ring.
- Switch Capacity 176bps
- D-Link Green 3.0, 802.3az
- Virtual Stacking Support up to 32 devices. Up to 20G stacking Bandwidth
- Static route 
- IPv6 Management/Ready Logo
- Half-/Full-Duplex, auto-negotiation, Auto MDI/MDIX
- IEEE 802.3x Flow Control
- 802.3ad Link Aggregation
- Asymmetric VLAN, Auto Voice VLAN, GVRP
- 802.1p priority queues
- MAC/IP filtering
- MAC/IP-based ACL
- 802.1X port-base Access Control, Port Security, traffic segmentation
- D-Link Safequard Engine
- D-Link Network Assist, web based management, compact CLI
- 19" Rackmount Installation
- Weight 2.4Kg