D-Link DGS-3630 Layer 3 Switch - 24 Ports - Manageable - 3 Layer Supported - Modular - 4 SFP Slots - Optical Fiber, Twisted Pair - Lifetime Limited Warranty

Redundant Power Supply (RPS) support Loopback Detection (LBD) 6 kV surge protection on all RJ45 access ports 4 Combo 10/100/1000BASE-T/SFP ports Ethernet Ring Protection Switching (ERPS) 4 10-Gigabit SFP+ uplink ports Physical stacking up to 9 units, 432 GbE ports Switch Resource Management (SRM) for flexible management of system resources IEEE 802.1D/802.1w/802.1s Spanning Tree 20/44 10/100/1000BASE-T ports or 20 SFP ports