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28-Port Gigabit Stackable POE Smart Managed Switch including 4 10G SFP+ - 24 x 10/100/1000Mbps POE Auto-Negotiating Ports - 4 x 10G SFP+ ports - 370W Power Budget - Physical Stacking up to 6 units per stack. Physical Stacking Bandwidth of 40Gb. Topology Linear or Ring. - Switch Capacity 128Gbps - D-Link Green 3.0, 802.3az - Virtual stacking up to 32 devices. - Static route - IPv6 Management/Ready - Half-/Full-Duplex, auto-negotiation, Auto MDI/MDIX - IEEE 802.3x Flow Control - 802.3ad Link Aggregation - Asymmetric VLAN, - 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 - Dual Image FW - 19" Rackmount Installation

52-Port Gigabit Stackable SmartPro Switch including 2 SFP ports and 2 x 10G SFP+ ports - 48 x 10/100/1000Mbps Auto-Negotiating Ports - 2 x Mini-GBIC SFP ports - 2 x 10G SFP+ ports - Physical Stacking up to 6 units per stack. Stacking Bandwidth of 40Gb. Topology Linear or Ring. - D-Link Green 3.0, 802.3az - Virtual stacking - 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 Safequare Engine - Smart Console Utility, web based management, compact CLI - D-View 6.0 support - 19" Rackmount Installation

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

24-port 10/100/1000 Layer 2 Stackable Managed PoE Gigabit Switch including 4-port Combo 1000BaseT/SFP with Standard Image - Managed Gigabit Ethernet Switch - 24 x 10/100/1000Mbps Auto-Negotiating Ports * Including 4 Combo 1000BaseT/Mini-GBIC SFP ports - 2 dedicated stacking ports for full-duplex 40Gbps stacking (up to 6 units/stack) - IEEE 802.3af and IEEE 802.3at PoE compliant - Maximum PoE output capacity 370W per device (740W with DPS-700 RPS) - Time-based PoE - IEEE 802.1D/1w/1s Spanning Tree Protocol, 802.3ad Link Aggregation - LBD, Port Mirroring - IGMP/MLD Snooping - 802.1Q, Voice VLAN, Asymmetric VLAN, GVRP, Port/MAC-based VLAN - 802.1p, Bandwidth Control - ACL, Time-based ACL - SSH/SSL, Traffic Segmentation, ARP Spoofing Prevention, DHCP Server Screening, BPDU Attack Protection - Port/Host Based 802.1X, Identity-driven security policy assignment, Port/Host Based WAC/MAC, Microsoft NAP Support - SNMP, RMON v1/v2, DHCP Auto-configuration, Flash file system, LLDP, DHCP Relay,

D-Link DGS-3120-24SC Standard to Enhanced Image Upgrade License

24-port SFP Layer 2 Stackable Managed Gigabit Switch including 8-port Combo 1000BaseT/SFP with Standard Image - Managed Gigabit Ethernet Switch - 24 x Mini-GBIC SFP Ports * Including 8 Combo 1000BaseT/Mini-GBIC SFP ports - 2 dedicated stacking ports for full-duplex 40Gbps stacking (up to 6 units/stack) - IEEE 802.1D/1w/1s Spanning Tree Protocol, 802.3ad Link Aggregation - LBD, Port Mirroring - IGMP/MLD Snooping - 802.1Q, Voice VLAN, Asymmetric VLAN, GVRP, Port/MAC-based VLAN - 802.1p, Bandwidth Control - ACL, Time-based ACL - SSH/SSL, Traffic Segmentation, ARP Spoofing Prevention, DHCP Server Screening, BPDU Attack Protection - Port/Host Based 802.1X, Identity-driven security policy assignment, Port/Host Based WAC/MAC, Microsoft NAP Support - SNMP, RMON v1/v2, DHCP Auto-configuration, Flash file system, LLDP, DHCP Relay, Multiple images/configuration - 1U height, 19" Rackmount Installation

D-Link DGS-3120-24TC Standard to Enhanced Image Upgrade License

24-port 10/100/1000 Layer 2 Stackable Managed Gigabit Switch including 4-port Combo 1000BaseT/SFP with Standard Image - Managed Gigabit Ethernet Switch - 24 x 10/100/1000Mbps Auto-Negotiating Ports * Including 4 Combo 1000BaseT/Mini-GBIC SFP ports - 2 dedicated stacking ports for full-duplex 40Gbps stacking (up to 6 units/stack) - IEEE 802.1D/1w/1s Spanning Tree Protocol, 802.3ad Link Aggregation - LBD, Port Mirroring - IGMP/MLD Snooping - 802.1Q, Voice VLAN, Asymmetric VLAN, GVRP, Port/MAC-based VLAN - 802.1p, Bandwidth Control - ACL, Time-based ACL - SSH/SSL, Traffic Segmentation, ARP Spoofing Prevention, DHCP Server Screening, BPDU Attack Protection - Port/Host Based 802.1X, Identity-driven security policy assignment, Port/Host Based WAC/MAC, Microsoft NAP Support - SNMP, RMON v1/v2, DHCP Auto-configuration, Flash file system, LLDP, DHCP Relay, Multiple images/configuration - 1U height, 19" Rackmount Installation

48-port 10/100/1000 Layer 2 Stackable Managed PoE Gigabit Switch including 4-port Combo 1000BaseT/SFP with Standard Image - Managed Gigabit Ethernet Switch - 48 x 10/100/1000Mbps Auto-Negotiating Ports * Including 4 Combo 1000BaseT/Mini-GBIC SFP ports - 2 dedicated stacking ports for full-duplex 40Gbps stacking (up to 6 units/stack) - IEEE 802.3af and IEEE 802.3at PoE compliant - Maximum PoE output capacity 370W per device (740W with DPS-700 RPS) - Time-based PoE - IEEE 802.1D/1w/1s Spanning Tree Protocol, 802.3ad Link Aggregation - LBD, Port Mirroring - IGMP/MLD Snooping - 802.1Q, Voice VLAN, Asymmetric VLAN, GVRP, Port/MAC-based VLAN - 802.1p, Bandwidth Control - ACL, Time-based ACL - SSH/SSL, Traffic Segmentation, ARP Spoofing Prevention, DHCP Server Screening, BPDU Attack Protection - Port/Host Based 802.1X, Identity-driven security policy assignment, Port/Host Based WAC/MAC, Microsoft NAP Support - SNMP, RMON v1/v2, DHCP Auto-configuration, Flash file system, LLDP, DHCP Relay,

D-Link DGS-3120-48TC Standard to Enhanced Image Upgrade License

48-port 10/100/1000 Layer 2 Stackable Managed Gigabit Switch including 4-port Combo 1000BaseT/SFP with Standard Image - Managed Gigabit Ethernet Switch - 48 x 10/100/1000Mbps Auto-Negotiating Ports * Including 4 Combo 1000BaseT/Mini-GBIC SFP ports - 2 dedicated stacking ports for full-duplex 40Gbps stacking (up to 6 units/stack) - IEEE 802.1D/1w/1s Spanning Tree Protocol, 802.3ad Link Aggregation - LBD, Port Mirroring - IGMP/MLD Snooping - 802.1Q, Voice VLAN, Asymmetric VLAN, GVRP, Port/MAC-based VLAN - 802.1p, Bandwidth Control - ACL, Time-based ACL - SSH/SSL, Traffic Segmentation, ARP Spoofing Prevention, DHCP Server Screening, BPDU Attack Protection - Port/Host Based 802.1X, Identity-driven security policy assignment, Port/Host Based WAC/MAC, Microsoft NAP Support - SNMP, RMON v1/v2, DHCP Auto-configuration, Flash file system, LLDP, DHCP Relay, Multiple images/configuration - 1U height, 19" Rackmount Installation

xStack 24-port 10/100/1000 Layer 2+ Stackable Managed PoE Gigabit Switch including 4-port Combo 1000BaseT/SFP plus 4 10GE SFP+ - Including 4 built-in Combo 1000BaseT/Mini-GBIC SFP ports - 4 10GE SFP+, up to 20G bandwidth for stacking or 40G bandwidth for uplink - Up to 12 units per stack with other DGS-3620 series switches - Up to 32 units per virtual stack (Single IP Management) - IEEE 802.3af and IEEE 802.3at PoE compliant - Maximum PoE output capacity 370W per device (740W with DPS-700 RPS) - Time-based PoE - IPv6 Ready Logo Phase I and Phase II , provides comprehensive IPv6 support including IPv6 Tunnel, ICMPv6, IPv6 Neighbor Discovery (ND), DHCPv6, RIPng - IEEE 802.3x Flow Control, Auto MDI/MDI-X on all twisted pair ports - MSTP, ERPS, LACP - IEEE 802.3ad Link Aggregatioin (32 groups per device, 8 ports per group) - 16K MAC address table, 1K routing table (shared by IPv4/6), 2K L3 forwarding table (shared by IPv4/6) - 256 Static IPv4/IPv6 Routes (shared by IPv4/6) - IEEE 802.1p

xStack 24-port SFP Layer 2+ Stackable Managed Gigabit Switch including 4-port Combo 1000BaseT/SFP plus 4 10GE SFP+ - Including 4 built-in Combo 1000BaseT/Mini-GBIC SFP ports - 4 10GE SFP+, up to 20G bandwidth for stacking or 40G bandwidth for uplink - Up to 12 units per stack with other DGS-3620 series switches - Up to 32 units per virtual stack (Single IP Management) - IPv6 Ready Logo Phase I and Phase II , provides comprehensive IPv6 support including IPv6 Tunnel, ICMPv6, IPv6 Neighbor Discovery (ND), DHCPv6, RIPng - IEEE 802.3x Flow Control, Auto MDI/MDI-X on all twisted pair ports - MSTP, ERPS, LACP - IEEE 802.3ad Link Aggregatioin (32 groups per device, 8 ports per group) - 16K MAC address table, 1K routing table (shared by IPv4/6), 2K L3 forwarding table (shared by IPv4/6) - 256 Static IPv4/IPv6 Routes (shared by IPv4/6) - IEEE 802.1p Priority Queues (up to 8 queues) - Bandwidth Control (64Kbps granularity), Class of Service (CoS) - QoS based on IPv4 or IPv6 parameters - IEEE 8

xStack 24-port 10/100/1000 Layer 2+ Stackable Managed Gigabit Switch including 4-port Combo 1000BaseT/SFP plus 4 10GE SFP+ - Including 4 built-in Combo 1000BaseT/Mini-GBIC SFP ports - 4 10GE SFP+, up to 20G bandwidth for stacking or 40G bandwidth for uplink - Up to 12 units per stack with other DGS-3420 series switches - Up to 32 units per virtual stack (Single IP Management) - IPv6 Ready Logo Phase I and Phase II , provides comprehensive IPv6 support including IPv6 Tunnel, ICMPv6, IPv6 Neighbor Discovery (ND), DHCPv6, RIPng - IEEE 802.3x Flow Control, Auto MDI/MDI-X on all twisted pair ports - MSTP, ERPS, LACP - IEEE 802.3ad Link Aggregatioin (32 groups per device, 8 ports per group) - 16K MAC address table, 1K routing table (shared by IPv4/6), 2K L3 forwarding table (shared by IPv4/6) - 256 Static IPv4/IPv6 Routes (shared by IPv4/6) - IEEE 802.1p Priority Queues (up to 8 queues) - Bandwidth Control (64Kbps granularity), Class of Service (CoS) - QoS based on IPv4 or IPv6 parameters

xStack 24-port 10/100/1000 Layer 2+ Stackable Managed PoE Gigabit Switch including 4-port Combo 1000BaseT/SFP plus 4 10GE SFP+ - 4 10GE SFP+, up to 20G bandwidth for stacking or 40G bandwidth for uplink - Up to 12 units per stack with other DGS-3620 series switches - Up to 32 units per virtual stack (Single IP Management) - IEEE 802.3af and IEEE 802.3at PoE compliant - Maximum PoE output capacity 370W per device (740W with DPS-700 RPS) - Time-based PoE - IPv6 Ready Logo Phase I and Phase II , provides comprehensive IPv6 support including IPv6 Tunnel, ICMPv6, IPv6 Neighbor Discovery (ND), DHCPv6, RIPng - IEEE 802.3x Flow Control, Auto MDI/MDI-X on all twisted pair ports - MSTP, ERPS, LACP - IEEE 802.3ad Link Aggregatioin (32 groups per device, 8 ports per group) - 16K MAC address table, 1K routing table (shared by IPv4/6), 2K L3 forwarding table (shared by IPv4/6) - 256 Static IPv4/IPv6 Routes (shared by IPv4/6) - IEEE 802.1p Priority Queues (up to 8 queues) - Bandwidth Control (64Kb

xStack 48-port 10/100/1000 Layer 2+ Stackable Managed Gigabit Switch plus 4 10GE SFP+ - 4 10GE SFP+, up to 20G bandwidth for stacking or 40G bandwidth for uplink - Up to 12 units per stack with other DGS-3620 series switches - Up to 32 units per virtual stack (Single IP Management) - IPv6 Ready Logo Phase I and Phase II , provides comprehensive IPv6 support including IPv6 Tunnel, ICMPv6, IPv6 Neighbor Discovery (ND), DHCPv6, RIPng - IEEE 802.3x Flow Control, Auto MDI/MDI-X on all twisted pair ports - MSTP, ERPS, LACP - IEEE 802.3ad Link Aggregatioin (32 groups per device, 8 ports per group) - 16K MAC address table, 1K routing table (shared by IPv4/6), 2K L3 forwarding table (shared by IPv4/6) - 256 Static IPv4/IPv6 Routes (shared by IPv4/6) - IEEE 802.1p Priority Queues (up to 8 queues) - Bandwidth Control (64Kbps granularity), Class of Service (CoS) - QoS based on IPv4 or IPv6 parameters - IEEE 802.1Q VLAN (4095 static, 255 dynamic groups) - Advanced Access Control List (ACL), Ingre

D-Link DGS-3620-28SC Standard to Enhanced Image Upgrade License

xStack 24-port SFP Layer 3 Managed Gigabit Switch, 4 Combo 1000BaseT/SFP, 4 10GE SFP+ (Standard Image) - Including 4 built-in Combo 1000BaseT/Mini-GBIC SFP ports - 4 10GE SFP+, up to 20G bandwidth for stacking or 40G bandwidth for uplink - Up to 12 units per stack with other DGS-3620 series switches - Up to 32 units per virtual stack (Single IP Management) - IPv6 Ready Logo Phase I and Phase II , provides comprehensive IPv6 support including ICMPv6, IPv6 Neighbor Discovery (ND), DHCPv6, RIPng - IEEE 802.3x Flow Control, Auto MDI/MDI-X on all twisted pair ports - VRRP, MSTP, ERPS, LACP - IEEE 802.3ad Link Aggregatioin (32 groups per device, 8 ports per group) - 32K MAC address table, 12K routing table (shared by IPv4/6), 8K L3 forwarding table (shared by IPv4/6) - 256 Static IPv4/IPv6 Routes (shared by IPv4/6) - OSPFv2, RIP v1/v2 - IEEE 802.1p Priority Queues (up to 8 queues) - Bandwidth Control (64Kbps granularity), Class of Service (CoS) - QoS based on IPv4 or IPv6 parameters - IEEE

xStack 24-port 10/100/1000 Layer 3 Managed Gigabit Switch, 4 Combo 1000BaseT/SFP, 4 10GE SFP+ (Standard Image) - Including 4 built-in Combo 1000BaseT/Mini-GBIC SFP ports - 4 10GE SFP+, up to 20G bandwidth for stacking or 40G bandwidth for uplink - Up to 12 units per stack with other DGS-3620 series switches - Up to 32 units per virtual stack (Single IP Management) - IPv6 Ready Logo Phase I and Phase II , provides comprehensive IPv6 support including ICMPv6, IPv6 Neighbor Discovery (ND), DHCPv6, RIPng - IEEE 802.3x Flow Control, Auto MDI/MDI-X on all twisted pair ports - VRRP, MSTP, ERPS, LACP - IEEE 802.3ad Link Aggregatioin (32 groups per device, 8 ports per group) - 32K MAC address table, 12K routing table (shared by IPv4/6), 8K L3 forwarding table (shared by IPv4/6) - 256 Static IPv4/IPv6 Routes (shared by IPv4/6) - OSPFv2, RIP v1/v2 - IEEE 802.1p Priority Queues (up to 8 queues) - Bandwidth Control (64Kbps granularity), Class of Service (CoS) - QoS based on IPv4 or IPv6 parameter

xStack 20-port SFP Layer 3 Stackable Managed Gigabit Switch including 4-port Combo 1000BaseT/SFP plus 4 10GE SFP+ - Including 4 built-in Combo 1000BaseT SFP+ ports - 4 10GE SFP+, 80Gbps physical stacking bandwidth - Switching Capacity 128 Gbps - Packet Forwarding Rate 95.24 Mpps - Up to 9 units per stack with other DGS-3630 series switches - Up to 32 units per Virtual Stacking/Clustering (Single IP Management) up to 20Gbps stacking bandwidth - IEEE 802.3ah Ethernet First Mile(EFM), IEEE 802.1ag/ITU-T Y.1731 OAM - MTBF 280,612.09 hours - Weight 3.78kg - Dimensions 441x259x44mm