No PoE on the GS1920-48v2 model; PoE is available on the GS1920-48HPv2 variant. Max power consumption is 36.9W under full load without PoE, making it efficient for non-PoE applications.

What is the switching performance?

Switching capacity is 100 Gbps with 74 Mpps forwarding rate, 16K MAC address table, and 1.5 MB packet buffer. These ensure smooth handling of high-volume traffic with features like IGMP snooping.

NebulaFlex provides hybrid management: standalone via web GUI, SNMP, Telnet, SSH or license-free Nebula cloud. L2 features include LACP, VLAN, ACL, QoS for comprehensive control.

What are the physical specs?

Rack-mountable 1U form factor, dimensions 440 x 200 x 44.5 mm, weight 2.8 kg. Operates at 0°C to 50°C, 10-95% humidity, with 26.0 dBA noise and 125.83 BTU/hr heat dissipation.

What is the power input and consumption?

Input voltage 100-240V AC, 50/60 Hz. Minimum 20.97W without connections, maximum 36.9W at full port load. MTBF is 672,235 hours for high reliability.

GS1920-48V2-GB0101F - ZyXEL GS1920-48v2 44x 10M/100M/1G RJ-45; 4x Gigabit Combo (RJ-45/SFP); 2x Gigabit SFP Switch

Name: GS1920-48V2-GB0101F - ZyXEL GS1920-48v2 44x 10M/100M/1G RJ-45; 4x Gigabit Combo (RJ-45/SFP); 2x Gigabit SFP Switch
Brand: ZyXEL
SKU: GS1920-48V2-GB0101F

GS1920-48V2-GB0101F - ZyXEL GS1920-48v2 44x 10M/100M/1G RJ-45; 4x Gigabit Combo (RJ-45/SFP); 2x Gigabit SFP Switch | US IT Hardware

Product overview

The Zyxel GS1920-48v2 is a 50-port Layer 2/3 smart managed Gigabit Ethernet switch designed for SMB environments. It features 44x 10/100/1000M RJ-45 ports, 4x Gigabit combo (RJ-45/SFP) ports, and 2x Gigabit SFP ports, delivering 100 Gbps switching capacity and 74 Mpps forwarding rate. With a 16K MAC address table and 1.5 MB packet buffer, it supports essential L2 features including LACP, VLAN, ACL, IGMP snooping, and QoS. NebulaFlex hybrid management enables seamless switching between standalone web GUI, SNMP, SSH, and license-free Nebula cloud platform. Non-PoE model ensures low power use at 36.9W max, rack-mountable 1U form factor (440x200x44.5mm), operates 0-50°C, MTBF 672,235 hours. Ideal for branch offices, retail, and secure network segmentation without PoE needs.

100 Gbps switching, 74 Mpps forwarding rate
50 ports: 44x GbE RJ-45, 4x combo, 2x SFP
NebulaFlex: cloud/standalone hybrid management
L2 features: VLAN, ACL, LACP, IGMP, QoS
16K MAC table, 1.5MB buffer for high loads
36.9W max power, 26 dBA noise, 0-50°C operation

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #	GS1920-48V2-GB0101F
Brand	ZyXEL
Condition	New
Model	GS1920-48v2
L2 Features	LACP; VLAN; ACL; IGMP snooping; QoS
PoE Support	No PoE on GS1920-48v2 (PoE available on GS1920-48HPv2 variant)
Product Line	GS1920v2 Series
Product Type	Smart Managed Gigabit Ethernet Switch
Switch Class	Smart Managed
Packet Buffer	1.5 MB
Forwarding Rate	74 Mpps

Compatible systems

GS1920-48v2 is a standalone smart managed switch compatible with standard network infrastructure; no specific system compatibility data available

Best for

Branch Offices
Supports 100Gbps switching and 74 Mpps forwarding for high-performance connectivity across 50 ports, with NebulaFlex for easy cloud or local management.
Retail Environments
44 GbE RJ-45 ports handle point-of-sale traffic; low 26 dBA noise and 36.9W max power suit quiet store settings.
Secure Network Segmentation
L2 features like VLAN, ACL, IGMP snooping, and QoS enable traffic control and multicast optimization on 16K MAC table.
Data Center Edge
4 combo RJ-45/SFP and 2 SFP ports provide fiber uplinks; 1.5MB buffer ensures reliable packet handling at scale.

Frequently asked questions

What ports does the Zyxel GS1920-48v2 have?

Details

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Switching Capacity	100 Gbps

RAM	256 MB
Flash Memory	32 MB

MAC Address Table	16K entries

Management Capability	NebulaFlex hybrid management (standalone and cloud)

Voltage Input	100 to 240 V AC, 50/60 Hz
Max Power Consumption	36.9 watts (all ports full load without PoE)
Min Power Consumption	20.97 watts (without port connection)

Form Factor	Rack-mountable 1U

MTBF	672,235 hours

Ethernet Ports	44x 10M/100M/1G RJ-45; 4x Gigabit Combo (RJ-45/SFP); 2x Gigabit SFP
Combo Port Type	RJ-45/SFP
Total Port Count	50 ports
Management Interface	Web-based GUI; SNMP; Telnet; SSH

Dimensions	440 x 200 x 44.5 mm (17.32 x 7.87 x 1.75 inches)

Environmental Condition

Acoustic Noise	26.0 dBA @ 25°C
Operating Humidity	10% to 95% non-condensing
Storage Temperature	-40°C to 70°C (-40°F to 158°F)
Operating Temperature	0°C to 50°C (32°F to 122°F)

ZyXEL GS1920-48v2 44x 10M/100M/1G RJ-45; 4x Gigabit Combo (RJ-45/SFP); 2x Gigabit SFP Switch

Product overview

Featuring

Compatible systems

Best for

Frequently asked questions

Details

Shipping, warranty & returns

Customer reviews

Memory

Network & Communication

Management & Protocols

Power Consumption

Physical Characteristics

Reliability

Interface/Ports

Weight & Dimensions

Environmental Condition