AT-X510-28GTX-NCB1 Switch Allied Telesi 24 x 10/100/1000T ports and 4 x 10G/1G SFP+ uplink ports with two internal load-sharing AC power supplies for high reliability. Voice VLAN Multicast support sFlow Layer 3 static routing Scalability to full Layer 3 capabilities (premium license) Tri-authentication TACACS+ authentication and accounting Voice, video, and data convergence IPv6

AT-8000GS/24  Switch Allied Telesis  10/100/1000T + 4 combo SFP ports ,Management (Web, CLI, SNMP) , RADIUS support ,  VLAN support  . Port security , 1RU form factor ,  IEE802.1 p class of service ,  IGMP snooping  , Stackable up to six devices  , Across stack port mirroring , 20G resilient ring stacking architecture , Across stack link aggregation 

AT-8000GS/24PoE Switck Allied Telesis AT-8000GS/24PoE   24 ports  10/100/1000Tx 24  PoE + 4 combo ports Management (Web, CLI, SNMP) ; RADIUS support ; Stackable up to six devices ;  VLAN support ; Port security ; 1RU form factor ;  IEE802.1 p class of service  ; IGMP snooping ; Across stack port mirroring ; 20G resilient ring stacking architecture ; Across stack link aggregation 

 AT-8000S/24 - Switch Allied Telesi  24 10/100 - 2 GLAN - 2 COMBO  , Port Mirroring (cross stack) VLAN support 1RU form factor Non-blocking wire speed forwarding Port security IGMP snooping Web-based management and SNMP IEEE 802.1 Q VLAN tagging IEE802.1 p class of service RADIUS support Stackable up to six devices 4G resilient ring stacking architecture Across stack link aggregation Across stack port mirroring

 AT-9000/28SP-10  Switck Allied Telesis  24 Port  100/1000 SFP + 4 × 10/100/100T-100/1000FX Gigabit-SFP combo ports.