D-Link DGS-1500-28P 28-port Gigabit SmartPro Switch

DGS-1500-28P Ports: 24x 10/100/1000 Mbps Ports, 4x SFP Ports Port Standards Functions: IEEE 802.3 10BASE-T Ethernet (twisted-pair copper) IEEE 802.3u 100BASE-TX Fast Ethernet (twisted-pair copper) IEEE 802.3ab 1000BASE-T Gigabit Ethernet (twisted-pair copper) IEEE 802.3af Compliance IEEE 802.3at Compliance Auto-negotiation IEEE 802.3x Flow Control support for Full-Duplex Mode Legacy Mode support Network Cables: UTP Cat.5, Cat.5e (100m max); EIA/TIA-568 100-ohm STP (100m max) Full/Half Duplex: Full/half duplex for 10/100Mbps speeds; Full duplex for Gigabit speed Media Interface Exchange: Full duplex Performance: Switching Capacity: 56 Gbps Transmission Method: Store-and-forward MAC Address Table: 16,000 entries per device MAC Address Update: Up to 256 static MAC entries; Enable/disable auto-learning of MAC addresses Maximum 64 Bytes Packet Forwarding Rate: 41.7 Mpps Packet Buffer Memory: 1 MB per device PoE PoE Standard: 802.3af 802.3at PoE Capable Ports: 15.4 W or 30 W on ports 1 to 24 PoE Power Budget: Max. - 370 W, 740 W with external RPS-700 Software: D-Link Single IP Management: Virtual Stacking/Clustering of up to 32 devices L2 Features: MAC Address Table: 16,000 entries Flow Control: 802.3x Flow Control; HOL Blocking Prevention IGMP Snooping: IGMP v1/v2 Snooping; Supports 256 IGMP groups; Supports at least 64 static multicast addresses; IGMP per VLAN; Supports IGMP, Snooping Querier Spanning Tree Protocol: 802.1D STP, 802.1w RSTP, 802.1s MSTP Loopback Detection 802.3ad Link Aggregation