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ZYXEL GS1920-24HPv2 24-port GbE Smart Managed PoE Switch, 4 Gbit Combo, 375W PoE Budget

ZYXEL GS1920-24HPv2 24-port GbE Smart Managed PoE Switch, 4 Gbit Combo, 375W PoE Budget

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GS1920 Series

A new-look smart managed switch with a refreshed design inside and out!

The GS1920v2 series extends the success of the best-selling GS1920 series with a stylish new look and enables cloud manageability with Zyxel NebulaFlex technology.

Manage it your way!

The GS1920v2 series introduces Zyxel NebulaFlex, which allows you to easily switch between standalone mode and our license-free Nebula cloud management platform anytime with just a few simple clicks.

Maximum flexibility for your Gig

The GS1920v2 series is ideal for SMB deployment in multiple scenarios, with its unique port combinations futureproofing your network to ensure easy growth down the road.

Whisper-quiet operation

Smart fan and fanless designs for silent operation in your workplace.

User-friendly LED indicators

View real-time status instantly with cloud and PoE power-usage LED indicators.

Power more devices more easily

  • Provides 30W per port and a wide range of power budget options from 130W to 375W—ideal for denser PoE deployments.
  • Default consumption mode boosts efficiency by delivering the actual power required.

Zyxel ONE Network

Use the complimentary ZON Utility to configure and discover switches, WLANs, and gateways in your network with one click.

Designed for the long haul

A web smart managed switch with an enterprise-grade hardware design. Built-in state-of-the-art hardware technology brings high quality and robustness to SMB networks.

Item Features
Standard Compliance
  • IEEE 802.3u 100BASE-TX Ethernet*
  • IEEE 802.3ab 1000BASE-T Ethernet*
  • IEEE 802.3z 1000BASE-X*
  • IEEE 802.3af PoE*
  • IEEE 802.3at PoE Plus*
  • IEEE 802.3az EEE*
  • IEEE 802.3x flow control
  • IEEE 802.3ad LACP aggregation*
  • IEEE 802.1D Spanning Tree Protocol (STP)*
  • IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)*
  • IEEE 802.1s Multiple Spanning Tree Protocol (MSTP)
  • IEEE 802.1Q VLAN tagging
  • IEEE 802.1p Class of Service (CoS) prioritization*
  • IEEE 802.1X port authentication*
Resilience and Availability
  • IEEE 802.1D Spanning Tree Protocol (STP)*
  • IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)*
  • IEEE 802.1s Multiple Spanning Tree Protocol (MSTP)
  • IEEE 802.3ad LACP (Max # Trunks/Links per Trunk): 8/8*
  • Loop guard*
  • ErrDisable recovery
  • MRSTP (Zyxel proprietary)
  • Dual configuration files
  • Dual images*
Traffic Control
  • 802.1Q Static VLANs*/Dynamic VLANs: 1K/4K
  • Port-based VLAN*
  • Protocol-based VLAN
  • VIP Subnet-based VLAN
  • MAC-based VLAN
  • Private VLAN
  • Voice VLAN*
  • VLAN ingress filtering
  • LACP algorithm of source/destination MAC/IP
  • GVRP
  • L2PT
  • 802.1X*
  • Port security*
  • Layer 2 MAC filtering
  • Layer 3 IP filtering
  • Layer 4 TCP/UDP socket filtering
  • Static MAC forwarding
  • Multiple RADIUS servers*
  • Multiple TACACS+ servers
  • 802.1x VLAN and 802.1p assignment by RADIUS
  • Login authentication by RADIUS*
  • Login authentication by TACACS+
  • TACACS+ accounting
  • Authorization on RADIUS*
  • Authorization on TACACS+
  • SSL*
  • MAC freeze
  • DHCP snooping IPv4*
  • DHCP snooping IPv6
  • ARP inspection
  • Static IP-MAC-Port binding
  • Policy-based security filtering
  • Port isolation
  • IP source guard
  • MAC search
  • Guest VLAN*
  • ACL packet filtering (IPv4/IPv6)*
  • CPU protection
  • Interface related trap enable/disable (by port)
  • IPv6 duplicated address detection (DAD)
Quality of Service (QoS)
  • No. of hardware queues per port: 8*
  • 802.1p queuing methods: SPQ, WRR, WFQ*
  • Storm control: broadcast, multicast, unknown unicast (DLF)*
  • Port-based rate limiting(ingress/egress)
  • Rate limiting per IP/TCP/UDP per port
  • Policy-based rate limiting
  • 802.3x flow control
  • 802.1p Class of Service (SPQ, WFQ, SPQ/WFQ combination capable)
  • DiffServ (DSCP)
Layer 2 Multicast
  • L2 multicast
  • IGMP snooping (v1, v2, v3)*
  • IGMP snooping fast Leave
  • Configurable IGMP snooping timer and priority
  • IGMP snooping statistics
  • IGMP throttling
  • MVR support
  • IGMP filtering
  • IGMP snooping immediate leave
  • IGMP proxy mode & snooping mode selection*
  • MLD snooping
  • SNMP v1, v2c, v3
  • SNMP trap group
  • RMON (1, 2, 3, 9)
  • ICMP echo/echo reply
  • Syslog*
  • IEEE 802.1AB LLDP
  • Custom default
  • Syslog (IPv4/IPv6)
  • Display port utilization*
  • Support NebulaFlexTMfor hybrid mode
IPv6 Management
  • IPv6 over Ethernet (RFC 2464)
  • IPv6 addressing architecture (RFC 4291)
  • Dual stack (RFC 4213)
  • ICMPv6 (RFC 4443)
  • Path MTU (RFC 1981)
  • Minimum path MTU size of 1280 (RFC 5095)
  • Encapsulation for maximum MTU of 1500
  • Neighbor discovery (RFC 4861)
  • DHCPv6 relay
  • Default DHCP client mode*
  • DAD (Duplicated Address detection)
Device Management
    • Standalone management by Web interface
    • Cloud management by Nebula Control Center*
    • Zyxel iStackingTM
    • Web interface
    • Management through SNMP
    • Remote firmware upgrade by Web
    • Configuration saving and retrieving
    • Configure clone
    • DHCP relay per VLAN
    • DHCP client IPv4*
    • DHCP client IPv6
    • Daylight saving*
    • NTP Server (IPv4/IPv6) – Support DNS format*
    • Port mirroring*
    • Scheduled PoE*
    • PoE default consumption mode*
    • Restore to last custom default

* Cloud management mode supports features.

  • Zyxel private common MIB
  • RFC 1066 TCP/IP-based MIB
  • RFC 1213, 1157 SNMPv2c/v3 MIB
  • RFC 1493 bridge MIB
  • RFC 1643 Ethernet MIB
  • RFC 1757 RMON Group 1, 2, 3, 9
  • RFC 2011, 2012, 2013 SNMPv2 MIB
  • RFC 2233 SMIv2 MIB
  • RFC 2358 Ethernet-like MIB
  • RFC 2674 bridge MIB extension
  • RFC 2819, 2925 remote management MIB
  • RFC 3621 power Ethernet MIB
  • RFC 4022 management information base for transmission control protocol
  • RFC 4113 management information base for user datagram protocol
  • RFC 4292 IP forwarding table MIB
  • RFC 4293 Management Information Base (MIB) for IP


  • LVD
  • BSMI


  • FCC Part 15 (Class A)
  • CE EMC (Class A)


  • Level A
Zyxel One Network

ZON Utility

  • Discovery of Zyxel switches, APs and gateways
  • Centralized and batch configurations:
    • IP configuration
    • IP renew
    • Device factory reset
    • Device reboot
    • Device locating
    • Web GUI access
    • Password configuration
    • One-click quick association with Zyxel AP Configurator (ZAC)
  • Automatic detection of the latest firmware
  • Displays device serial number and hardware version
  • Cloud mode on/off option for Hybrid series devices

Smart Connect

  • Discover neighboring devices
  • One-click remote management access to the neighboring Zyxel devices
  • Reset neighboring devices remotely to factory defaults
  • Power cycle neighboring powered devices (PoE switches only)
Limited life-time warranty
  • Warranty terms, service availability, and service response times may vary from country or region to country or region.

* Cloud management mode supports features.


Product name 24-port GbE Smart Managed PoE Switch
Switch class Smart Managed
Port Density
Total port count 28
100/1000 Mbps 24
Gigabit Combo (RJ-45/SFP) 4
Gigabit SFP -
PoE ports 24
Total PoE budget (Watts) 375
High power PoE 802.3at Yes
Switching capacity (Gbps) 56
Forwarding rate (Mpps) 42
Packet buffer (byte) 1.5 M
MAC address table 16 K
Flash/RAM 32 MB/256 MB
Input 100 to 240 V AC, 50/60 Hz
Max. power consumption (watt) 463.5
Physical Specifications
Item Dimensions (WxDxH)(mm/in.)
441 x 270 x 44/ 17.36 x 10.63 x 1.73
Weight (kg/lb.)
Included accessories
  • Power cord
  • Rack mounting kit
Green Feature
Fanless -
Environmental Specifications
Operating Temperature 0°C to 50°C/32°F to 122°F
Humidity 10% to 90% (non-condensing)
Storage Temperature -40°C to 70°C/-40°F to 158°F
Humidity 10% to 90% (non-condensing)
MTBF (hr) 638,691
Heat dissipation (BTU/hr) 1,580.54
Acoustic noise @ 25°C (dBA) 27.2

*All specifications are subject to change without notice.

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