GSM4212UX-100EUS

Netgear GSM4212UX 12 Port M4250 PoE++ Managed Switch with 8x Gigabit PoE++ (720W) & 2x Gbit & 2x SFP+ Ports

Overview Summary:

The NETGEAR M4250 GSM4212UX is a professional 12-port managed Ethernet switch designed for demanding AV over IP and enterprise networking environments. It features eight Ultra90 PoE++ Gigabit ports with a generous 720W PoE budget, two additional Gigabit ports, and two 10G SFP+ uplink ports for high-speed connectivity. Pre-configured AV profiles, advanced Layer 2 and Layer 3 features, and flexible rack integration make deployment quick and reliable.

Ideal for professional audio, video, enterprise, IPTV and IoT installations, this managed switch delivers dependable performance, advanced security and simplified management. Buy now and upgrade your network with a reliable NETGEAR managed switch built for professional environments. Shop now for fast delivery throughout South Africa.

What tier does this fall into?

Enterprise / Professional AV

What is this best for?

AV over IP deployments, professional audio networks, video distribution, enterprise LANs, IPTV, surveillance systems, PoE device powering, conference rooms, education campuses, broadcast installations, IoT networking

Overview:

NETGEAR M4250 12-Port PoE++ Managed AV Network Switch
The NETGEAR M4250 GSM4212UX is a fully managed 12-port Gigabit Ethernet switch purpose-built for professional AV over IP deployments and enterprise networking. Designed with rear-facing ports for clean rack integration, it delivers a tidy installation while providing reliable connectivity for audio, video, and control systems. The switch arrives pre-configured for AV over IP, allowing compatible encoders and decoders to be connected with minimal setup, making deployment faster and easier.

Supporting a wide range of professional AV protocols, the M4250 is equally suited to conference rooms, broadcast studios, education, hospitality, corporate environments, and digital signage installations. Advanced Layer 2 and Layer 3 capabilities, combined with intelligent management tools, provide the flexibility required for both dedicated AV networks and traditional business infrastructure.

Description:

Built for demanding professional installations, the NETGEAR GSM4212UX combines powerful PoE++ capability with enterprise-grade switching performance. Eight Ultra90 PoE++ ports provide up to 90W per port with a total 720W power budget, making it ideal for powering high-performance devices including PTZ cameras, wireless access points, AV endpoints, and networked displays. Dedicated AV profiles, 10G SFP+ uplinks, flexible mounting options, and comprehensive management interfaces simplify deployment while ensuring dependable performance in growing networks. The Part Number GSM4212UX-100EUS identifies this professional AV switch model.

Features:

Designed for Professional AV Networks
The M4250 series was engineered specifically for AV over IP environments where reliability, low latency, and simple deployment are essential. Unlike conventional managed switches, this model includes an intuitive AV-focused interface with pre-configured profiles for many leading audio and video platforms, helping installers reduce configuration time.

Supported technologies include:

Dante
Q-SYS
AES67
NDI
NVX
SVSI
Kramer KDS
Aurora Multimedia
ZeeVee
Atlona
SDVoE
Mixed audio, video and control profiles

When multiple M4250 switches are deployed together, Auto-LAG, Auto-Trunk and NETGEAR IGMP Plus simplify multicast configuration and reduce installation complexity.

Powerful PoE Connectivity
With a substantial 720W PoE budget, this switch can power multiple demanding network devices without requiring separate power supplies.

Key connectivity includes:

12 managed ports
8 Gigabit RJ45 Ultra90 PoE++ ports
2 Gigabit RJ45 ports
2 x 10G SFP+ uplink ports
Up to 90W PoE output per powered port
Support for IEEE 802.3af, 802.3at and 802.3bt devices

Built for Clean Rack Installations
Designed specifically for professional AV racks, the GSM4212UX places network ports at the rear for neat cable management while keeping status indicators accessible from the front. Flexible mounting options allow standard or reversed installation depending on project requirements.

Installation advantages include:

Rear-facing network connections
Reversible rack mounting
Recessed mounting brackets included
VESA-compatible mounting support
Front threaded mounting point for additional installation flexibility
Software-controlled fan operation with quiet or fanless modes when conditions allow

Advanced Network Performance
This managed switch combines enterprise networking functionality with AV optimisation, delivering high throughput and low latency across demanding installations.

Performance highlights include:

60Gbps non-blocking switching fabric
Low latency switching
Jumbo frame support up to 12KB
16K MAC address table
4K ARP entries
Up to 4K VLANs
Layer 2 and Layer 3 switching

Comprehensive Management Options
Administrators can manage the switch using either the traditional enterprise interface or the dedicated AV interface depending on deployment requirements.

Management capabilities include:

Dedicated AV web interface
Enterprise web management GUI
Command Line Interface (CLI)
SSH
Telnet
SNMP
sFlow
RSPAN
USB-C console
RJ45 serial console
Out-of-band management port
USB storage support

Routing and Enterprise Networking
The M4250 platform provides advanced routing and switching functionality suitable for midsize enterprise environments alongside professional AV deployments.

Included networking capabilities:

Static IPv4 and IPv6 routing
RIP routing
PIM multicast routing
DHCP Server
DHCP Relay
Policy-based routing
Voice VLAN
LLDP-MED
Link Aggregation
Auto-VoIP
PTPv2 Transparent Clock

Security and Traffic Control
The switch incorporates comprehensive security tools that help protect business and AV networks while maintaining consistent performance.

Security technologies include:

802.1X authentication
MAC Authentication Bypass
DHCP Snooping
Dynamic ARP Inspection
IP Source Guard
Access Control Lists
Port Security
Private VLAN support
RADIUS
TACACS+
Secure SSH management
Secure SNMPv3 management

Reliable Multicast and AV Traffic Handling
Designed for demanding multimedia environments, the GSM4212UX efficiently handles multicast traffic while prioritising real-time audio and video streams.

Highlights include:

NETGEAR IGMP Plus
IGMP Snooping
MLD Snooping
Multicast VLAN Registration
PIM multicast routing
AVB support with optional licence
QoS prioritisation for audio and video traffic

Technical Summary

Model: NETGEAR M4250 GSM4212UX
Part Number / SKU: GSM4212UX-100EUS
Fully managed Layer 2 and Layer 3 switch
12 total network ports
8 x Gigabit Ultra90 PoE++ ports
2 x Gigabit RJ45 ports
2 x 10G SFP+ uplinks
720W total PoE budget
Up to 90W PoE per powered port
Rear-facing ports for professional AV racks
Rackmount design with flexible mounting options
Ideal for AV over IP, enterprise networking, IPTV, IoT and multimedia installations

Specifications:

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Specifications
Product Code	GSM4212UX-100EUS
Physical Specification
Dimensions (WxDxH)	440 x 200 x 43.2mm
Weight	3.83Kg (8.44lb)
Technical Specs
Primary Port Speed	1 Gigabit
Number of Ports	12 (10x 1G, 2x SFP+)
PoE Ports / Budget	8 PoE++ (90W/port), 720W Budget
IGMP Support	Enhanced (NETGEAR IGMP Plus )
Jumbo Frame Support	Yes, up to 12kb
Acoustics	Fanless or 50.5dB@25ºC
Power Consumption	With PoE: 837.7W/2859.91Btu/hr , Without PoE: 26.3W/89.79Btu/hr , Standby without any port connection: 18W/61.45Btu/hr
AVB Support	Yes. Electronic license required, activation key sent via email (AVB4212UX-10000S)
Models	M4250-10G2XF-PoE++ (GSM4212UX)
General	8-port 10/100/1000BASE-T (RJ45) Ultra90 PoE++ with 720W PoE budget
	2-port 10/100/1000BASE-T (RJ45)
	2-port 1000/10GBASE-X (SFP+)
	Compatible 802.3af (15.4W), 802.3at (30W), 802.3bt (60, 75 and 90W)
	60 Gbps non-blocking fabric across 12 ports
	Out-of-band 1G Ethernet management port
	USB-C and RJ45 RS232 console ports and USB-A storage port
	Front black display panel and all ports in the back
	Possible reversed mounting with ports in the front
	Rack-mounting standard brackets
	Longer brackets for recessed mounting (2 inches / 5 cm)
	Threaded hole in front (1xM10) for clamps
	Threaded holes on the bottom (4xM5) for 50x100mm VESA plates
	Selectable fan modes for fanless, quiet, or cool operation
	Dimensions (WxDxH): 440 x 257 x 43.2 mm
	Weight: 3.83Kg (8.44lb)
Key Features	Uplink options include 1G for audio installations or standalone video installations as well as 10G uplinks for larger scale video deployments
	Also includes 12-port multi-gigabit Ethernet and 16-port 1G/10G fiber models for plug and play aggregation in a star topology
	Designed for a clean integration with traditional, rack-mounted, AV equipment
	The M4250 switches come with a sleek, black display panel with status in front and all cabling plus additional status in the back
	Reversed mounting is possible when ports are desired on the front of the rack
	A second pair of rackmount ears allows the switches to be mounted recessed by 2-inches to allow for the cabling
	Software-controlled fan adjustments enable the fans to be turned off when ambient temperature and PoE loads are appropriate for a totally fanless operation
	Threaded holes on the bottom (4xM5 for 50x100mm VESA) and in front (1xM10 for clamps) allow for universal mounting options outside the rack as well
AV Software Features	Pre-configured for audio and video over IP out of the box, the M4250 switches enable encoders and decoders to be connected with zero configuration
	When more configuration is required, an AV web-based GUI is available
	This interface has been specially designed for AV installers with specific AV-related controls made more accessible and with port-based profiles
	For audio, profiles for Dante, Q-SYS, AES67 are built-in, as well as an AVB profile (AVB license sold separately)
	For video, the M4250 offers profiles for NVX, SVSI, Q-SYS, NDI, Kramer KDS, Aurora Multimedia, ZeeVee, Atlona, Dante and SDVoE
	Other AV CODECs and manufacturers are supported as well as audio/video/control mixed profiles
	To further simplify star deployments, NETGEAR IGMP Plus brings multicast automation between all M4250 switches, and with M4300/M4500
	With Auto-Trunk and Auto-LAG, simply connect M4250 switches together and you are done!
Other Software Features	All M4250 switches share the same high-end NETGEAR Layer 2 / Layer 3 switching engine for a consistent experience
	All switches in the M4250 series have another main, IT web-based GUI for midsize Enterprise campus networks, IoT and IPTV
	Additional features include static, RIP and PIM-SM, DM and SSM multicast routing, DHCP Server and PTPv2 Transparent Clock (1-step E2E)
	AVB is the only feature requiring a license, all other advanced features are available license-free
	Advanced classifier-based, time-based hardware implementation for L2 (MAC), L3 (IP) and L4 (UDP/TCP transport ports) security and prioritization
	Selectable Port-Channel / LAG (802.3ad - 802.1AX) L2/L3/L4 hashing for fault tolerance and load sharing with any type of Ethernet channeling
	Voice VLAN with SIP, H323 and SCCP protocols detection and LLDP-MED IP phones automatic QoS and VLAN configuration
	Efficient authentication tiering with successive DOT1X, MAB and Captive Portal methods for streamlined BYOD
	Comprehensive IPv4/IPv6 static and dynamic routing including Policy-based routing and 6-to-4 tunneling
	Advanced IPv4/IPv6 security implementation including malicious code detection, DHCP Snooping, IP Source Guard protection and DoS attacks mitigation
Management Features	DHCP/BootP innovative auto-installation including firmware and configuration file upload automation
	Industry standard SNMP, RMON, MIB, LLDP, AAA, sFlow, RSPAN and PTPv2
	Service port for out-of-band Ethernet management (OOB)
	Standard RS232 straight-through serial RJ45 and USB Type-C ports for local management console
	Standard USB-A port for local storage, logs, configuration or image files
	Dual firmware image for updates with minimum service interruption
	Single-pane-of-glass NMS300 management platform with mass configuration support
	Industry standard command line interface (CLI) for IT admins used to other vendors commands
	Fully functional Web console (main GUI) for IT admins who prefer an easy to use graphical interface
	Dedicated AV web-based GUI interface available at [switch IP address:8080] for AV installations
Warranty and Support	NETGEAR ProSAFE Limited Lifetime Hardware Warranty
	Included Lifetime Technical Support
	Included Lifetime Next Business Day Hardware Replacement
	Offering free network design services and installation support, the NETGEAR Engineering Services Team is ready to help ensure your 1G deployments with the M4250 AV over IP switches go as smooth as possible. Just drop us an email at ProAVDesign@netgear.com to get started!