ZYXEL GS1920-48V2 48-Port Smart Managed Switch (44x1G + 4x1G Combo + 2xSFP) - NebulaFlex Cloud Ready
SKU: GS1920-48V2Networking › Network Switches
Please enquire before ordering
The distributor has not yet confirmed the latest price and availability (last checked Jun 23, 2026)
092-251-4017Awaiting stock confirmationManufacturer's warranty
GenuineFree delivery from ฿5,000Tax invoice
Professional managed switch from ZYXEL supports standalone or cloud-based NebulaFlex management, with 44 Gigabit ports, 4 Combo ports, and 2 SFP ports for network expansion in small to medium businesses
Key features
- Supports immediate cloud-based NebulaFlex or standalone management
- Delivers up to 375W PoE power, supporting 48 ports
- Features 2 SFP ports for long-distance or backbone network connections
- Fanless design for silent operation, no noise disturbance in workspaces
- Supports L2-level management features including VLAN, QoS, LACP, and IGMP Snooping
Product description
The ZYXEL GS1920-48V2 switch is designed for small to medium organizations, featuring 44 Gigabit ports, 4 Combo ports, and 2 SFP ports, enabling flexible and future-ready network connectivity. It supports immediate standalone or cloud-based NebulaFlex management with a single click, allowing network administrators to control the network anytime, anywhere. Key features include 375W PoE support for up to 48 ports, real-time power consumption monitoring via LED indicators on the device, and an easy-to-use web GUI without requiring additional software installation, enabling immediate use after connection
More features
- Low power consumption, not exceeding 53.682 watts (excluding PoE)
- Supports firmware updates via Nebula Cloud or web GUI
- Features real-time PoE power consumption LED indicators
- Supports immediate rack or wall mounting
- High durability with MTBF of 502,509 hours
Pros and limitations
Pros
- Supports cloud and standalone management immediately—no hardware changes required
- Delivers up to 375W PoE power, supporting many devices simultaneously
- Fanless design operates silently, without disrupting workspaces
- Supports immediate firmware updates via Nebula Cloud
- Features real-time PoE power consumption LED indicators for easy power usage monitoring
Limitations
- Does not support L3 management or advanced network configuration
Who it is for
Ideal for small to medium businesses seeking professional network management, especially locations requiring PoE power delivery to multiple CCTV cameras, IP phones, or Access Points
Connectivity
Gigabit Ethernet, SFP
Specifications (51)
- RAM
- 256 MB
- MTBF
- 502,509 hours
- Layer
- L2
- Weight
- 1.9 kg
- Web GUI
- Yes
- STP/RSTP
- Yes
- PoE Ports
- 48
- SFP Slots
- 2
- DHCP Relay
- Yes
- Desk Mount
- Yes
- Port Count
- 50
- Rack Mount
- Yes
- Wall Mount
- Yes
- QoS Support
- Yes
- Flash Memory
- 32 MB
- LACP Support
- Yes
- PoE Per Port
- 30 W
- PoE Standard
- 802.3af/at
- VLAN Support
- Yes
- IGMP Snooping
- Yes
- Input Voltage
- 100 to 240 V AC
- Packet Buffer
- 1.5 MB
- Acoustic Noise
- 0 dBA
- Fanless Design
- Yes
- LED Indicators
- Cloud status, PoE power usage
- Forwarding Rate
- 74 Mpps
- Input Frequency
- 50/60 Hz
- Management Mode
- Standalone / NebulaFlex Cloud
- Cloud Management
- NebulaFlex™ (License-Free)
- Firmware Version
- V4.70(ABMJ.6)
- Heat Dissipation
- 1,617.36 BTU/hr
- Link Aggregation
- Yes
- PoE Power Budget
- 375 W
- Storage Humidity
- 10% to 90% (non-condensing)
- Total PoE Budget
- 375 W
- MAC Address Table
- 16 K
- Security Features
- ACL, Port Security
- Dimensions (WxDxH)
- 441 x 162 x 44 mm
- Operating Humidity
- 10% to 90% (non-condensing)
- Switching Capacity
- 100 Gbps
- Gigabit Combo Ports
- 4
- RJ-45 Gigabit Ports
- 44
- Storage Temperature
- -40°C to 70°C
- Included Accessories
- Power cord, Rack mounting kit
- Operating Temperature
- 0°C to 50°C
- Firmware Update Method
- Web GUI, Nebula Cloud
- High Power PoE 802.3at
- Yes
- Power Consumption (Min)
- 20.97 W
- PoE Power Usage Indicator
- Yes (Front-panel & Web GUI)
- Power Consumption (Max, no PoE)
- 36.9 W
- Power Consumption (Max, with PoE)
- 474.3 W
Datasheets and manuals straight from the manufacturer — select a document to open or download it.
13 questions
Frequently asked questions about this product
Compiled from manufacturer information
Does the GS1920-48V2 support cloud management via Nebula Cloud?
Yes, it supports immediate cloud management via Nebula Cloud using NebulaFlex™ technology, without requiring a license, and switching between standalone and cloud modes is possible with a single click
How many devices can be powered simultaneously via PoE?
Supports up to 48 ports of PoE power supply, with a maximum total power of 375 W, 30 W per port, allowing simultaneous power delivery to up to 48 devices
How much power does this switch consume when not delivering PoE?
When not delivering PoE power, the switch consumes up to 36.9 watts, which is very low compared to similar switches
Can it be mounted on a rack?
Yes, the switch supports immediate rack mounting, including the included rack mounting kit in the box
Does it have PoE status LEDs?
Yes, the switch features real-time PoE power consumption LED indicators on the device and through the web GUI, enabling immediate power usage monitoring
Does it support firmware updates through the cloud?
Yes, it supports immediate firmware updates via Nebula Cloud without requiring a physical connection, enabling fast and easy updates
Can it be used with CCTV cameras?
Yes, it supports simultaneous PoE power supply to up to 48 CCTV cameras, and supports cloud-based management, making it suitable for medium to large-scale CCTV systems
Does the switch produce noise?
No, it has no noise disturbance as it is designed with a fanless (fanless) cooling system, ensuring silent operation even in offices or meeting rooms
Is it in stock?
We are confirming the latest stock and price of the ZYXEL GS1920-48V2 48-Port Smart Managed Switch (44x1G + 4x1G Combo + 2xSFP) - NebulaFlex Cloud Ready with the distributor. Please contact us before ordering at 092-251-4017 or sales@gist.co.th.
How much does it cost?
The distributor has not yet confirmed the latest price and availability. Please contact us before ordering at 092-251-4017 or sales@gist.co.th.
How long is the warranty?
The warranty follows the manufacturer's terms for each model; ask our sales team for the warranty period of this model. To make a warranty claim, call 092-251-4017 or 065-523-5262, or email sales@gist.co.th (Mon–Fri 9:00–18:00), then send the product with your order number to our head office, or bring it to the head office in person.
How long does delivery take?
Orders placed before 12:00 on a business day are delivered within 1–3 business days (Bangkok and vicinity) or 2–5 business days (other provinces). Free delivery on orders of ฿5,000 or more (a ฿150 delivery fee applies below this amount).
Is it genuine?
Genuine products sourced from distributors in Thailand, covered by the manufacturer's warranty. Full tax invoices are available.
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Genuine products
Sourced from distributors in Thailand and covered by the manufacturer's warranty
Warranty period
According to the manufacturer's terms for each model
Covered by the manufacturer's warranty; you can make claims through GIST
Claims through GIST
Ship the product to our head office or bring it in person
Warranty conditions
- A receipt or other proof of purchase is required
- The product must not have been modified or altered
- Damage caused by misuse is not covered by the warranty
- To make a warranty claim, call 092-251-4017 or 065-523-5262, or email sales@gist.co.th (Mon–Fri 9:00–18:00), then send the product with your order number to our head office, or bring it to the head office in person.Head office: 554 Sky Nine Center, Floor 12A, Room 554/62, Asok-Din Daeng Road, Din Daeng Subdistrict, Din Daeng District, Bangkok 10400
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