Product Overview
The Extreme X440-G2 is a scalable, cost-effective stackable edge switch family designed for campus and industrial automation environments where Gigabit Ethernet density must be paired with resilient Layer 2/3 services. Available in 12-, 24- and 48-port 10/100/1000BASE-T models, the Extreme X440-G2 delivers non-blocking, wire-speed forwarding at 77.4–130.9 Mpps depending on port count, while optional IEEE 802.3at PoE-Plus supplies up to 30 W per port to power wireless access points, IP cameras, and IIoT sensors without additional injectors. Built on the hardened ExtremeXOS operating system, each Extreme X440-G2 switch supports zero-touch provisioning through ExtremeCloud IQ, role-based policy enforcement, and dynamic fabric connectivity, enabling organizations to collapse multiple edge tiers into a single, centrally managed platform. Dual 40 Gbps stacking links allow up to eight units to operate as one logical chassis with shared forwarding tables, preserving investments as port counts grow. Whether deployed in a production-floor wiring closet or a university dormitory, the Extreme X440-G2 provides the performance, security, and operational simplicity demanded by modern converged networks.
The Extreme X440-G2 is a scalable, cost-effective stackable edge switch family designed for campus and industrial automation environments where Gigabit Ethernet density must be paired with resilient Layer 2/3 services. Available in 12-, 24- and 48-port 10/100/1000BASE-T models, the Extreme X440-G2 delivers non-blocking, wire-speed forwarding at 77.4–130.9 Mpps depending on port count, while optional IEEE 802.3at PoE-Plus supplies up to 30 W per port to power wireless access points, IP cameras, and IIoT sensors without additional injectors. Built on the hardened ExtremeXOS operating system, each Extreme X440-G2 switch supports zero-touch provisioning through ExtremeCloud IQ, role-based policy enforcement, and dynamic fabric connectivity, enabling organizations to collapse multiple edge tiers into a single, centrally managed platform. Dual 40 Gbps stacking links allow up to eight units to operate as one logical chassis with shared forwarding tables, preserving investments as port counts grow. Whether deployed in a production-floor wiring closet or a university dormitory, the Extreme X440-G2 provides the performance, security, and operational simplicity demanded by modern converged networks.
Technical specifications
Product model | X440-G2
Manufacturer | Extreme Networks
Product type | Stackable Gigabit Ethernet edge switch
Port counts | 12t / 24t / 48t 10/100/1000BASE-T; 12p / 24p / 48p PoE-Plus variants
Uplink options | 4× 1 Gb SFP (combo); license upgrade to 4× 10 Gb SFP+
Switching capacity | 104–176 Gbps depending on model
Forwarding rate | 77.4–130.9 Mpps
PoE budget | 370 W (internal) / 1100 W with external RPS
Dimensions | 1.73″ H × 17.4″ W × 12.2″ D
Weight | 4.5 kg (fully loaded)
Operating range | 0 °C to 50 °C standard; –0 °C to 60 °C extended SKU
Power supplies | Fixed AC or DC; optional redundant PSU
Management | ExtremeCloud IQ, CLI, Web GUI, SNMP, USB 2.0 storage

Product model | X440-G2
Manufacturer | Extreme Networks
Product type | Stackable Gigabit Ethernet edge switch
Port counts | 12t / 24t / 48t 10/100/1000BASE-T; 12p / 24p / 48p PoE-Plus variants
Uplink options | 4× 1 Gb SFP (combo); license upgrade to 4× 10 Gb SFP+
Switching capacity | 104–176 Gbps depending on model
Forwarding rate | 77.4–130.9 Mpps
PoE budget | 370 W (internal) / 1100 W with external RPS
Dimensions | 1.73″ H × 17.4″ W × 12.2″ D
Weight | 4.5 kg (fully loaded)
Operating range | 0 °C to 50 °C standard; –0 °C to 60 °C extended SKU
Power supplies | Fixed AC or DC; optional redundant PSU
Management | ExtremeCloud IQ, CLI, Web GUI, SNMP, USB 2.0 storage

Main features and advantages
Enterprise-class resiliency: The Extreme X440-G2 runs ExtremeXOS, the same modular OS found in core chassis, delivering ISSU (In-Service Software Upgrade) and hitless failover across an eight-switch stack. This means automation networks stay up even during firmware updates or link re-convergence.
Enterprise-class resiliency: The Extreme X440-G2 runs ExtremeXOS, the same modular OS found in core chassis, delivering ISSU (In-Service Software Upgrade) and hitless failover across an eight-switch stack. This means automation networks stay up even during firmware updates or link re-convergence.
Comprehensive PoE flexibility: All PoE models of the Extreme X440-G2 support both IEEE 802.3af and 802.3at, providing granular per-port power budgets. With an external 1100 W RPS, the 48-port PoE variant can deliver full 30 W on every copper interface—sufficient for pan-tilt-zoom cameras and high-performance wireless APs without mid-span power injectors.
Zero-touch operations: Cloud onboarding via ExtremeCloud IQ slashes deployment time from hours to minutes. Once powered, the Extreme X440-G2 automatically downloads site-specific policies, VLANs, and QoS profiles, reducing truck rolls to remote substations or campus buildings.
Security without complexity: Role-based policies administered through ExtremeControl let administrators map OT device certificates or MAC OUI ranges to dedicated VLANs and ACLs. Universal Port Dynamic Security Profiles then enforce host integrity checks at the access edge, preventing rogue PLCs or laptops from entering the control network.
Future-proof uplinks: The same hardware ships with four 1 Gb SFP combo ports that can be software-licensed to 10 Gb SFP+, allowing the Extreme X440-G2 to migrate seamlessly from 1 Gb aggregation to 10 Gb core uplinks as bandwidth demands grow.
Application fields
Manufacturing plants deploy Extreme X440-G2 switches in production-floor cabinets to aggregate IP-enabled sensors, barcode scanners, and operator workstations while powering wireless access points for mobile maintenance tablets. The switch’s extended-temperature SKU (0 – 60 °C) is ideal for automotive weld shops where ambient heat would cripple commercial-grade gear.
Manufacturing plants deploy Extreme X440-G2 switches in production-floor cabinets to aggregate IP-enabled sensors, barcode scanners, and operator workstations while powering wireless access points for mobile maintenance tablets. The switch’s extended-temperature SKU (0 – 60 °C) is ideal for automotive weld shops where ambient heat would cripple commercial-grade gear.
Higher-education campuses leverage Extreme X440-G2 48-port PoE models in dormitory closets, driving Wi-Fi 6 APs and VoIP handsets across hundreds of rooms from a single stack. Role-based policies map students, faculty, and IoT devices into separate secure segments, ensuring recreational traffic never interferes with laboratory automation VLANs.
Oil & gas field offices employ Extreme X440-G2 DC-powered variants in remote instrument shelters, using SFP fiber uplinks to backhaul SCADA traffic across 40 km single-mode links. The redundant DC input tolerates brownouts common in generator-backed sites, while ExtremeCloud IQ provides centralized visibility without requiring on-site technicians.
Related products
X440-G2-48t-10GE4 – 48 non-PoE copper ports, same uplink licensing path.
X440-G2-24p-10GE4 – 24 PoE ports, ideal for medium-density wireless deployments.
X440-G2-12t-10GE4 – compact 12-port model for small control rooms.
X440-G2-24fx-GE4 – 24 100BASE-FX fixed fiber ports for long-reach field links.
X440-G2-48t-10GE4-DC – DC-powered variant for utility substations.
X465-24p-10GE4 – next-generation multi-gigabit successor with 2.5/5/10 Gb access.
16542 Dual 10GbE Upgrade License – software key enabling 10 Gb uplinks on existing X440-G2 hardware.
X440-G2-48t-10GE4 – 48 non-PoE copper ports, same uplink licensing path.
X440-G2-24p-10GE4 – 24 PoE ports, ideal for medium-density wireless deployments.
X440-G2-12t-10GE4 – compact 12-port model for small control rooms.
X440-G2-24fx-GE4 – 24 100BASE-FX fixed fiber ports for long-reach field links.
X440-G2-48t-10GE4-DC – DC-powered variant for utility substations.
X465-24p-10GE4 – next-generation multi-gigabit successor with 2.5/5/10 Gb access.
16542 Dual 10GbE Upgrade License – software key enabling 10 Gb uplinks on existing X440-G2 hardware.

Installation and maintenance
Preparations before installation: Prior to rack-mounting the Extreme X440-G2, verify that the cabinet airflow follows cold-aisle/hot-aisle best practices; the switch relies on fixed fans that exhaust to the rear. Reserve 1U clearance above for cable management and ensure the redundant power supply bracket is installed if PoE loads exceed 370 W. Load the latest ExtremeXOS image onto a USB 2.0 drive so zero-touch provisioning can complete within minutes of power-on.
Preparations before installation: Prior to rack-mounting the Extreme X440-G2, verify that the cabinet airflow follows cold-aisle/hot-aisle best practices; the switch relies on fixed fans that exhaust to the rear. Reserve 1U clearance above for cable management and ensure the redundant power supply bracket is installed if PoE loads exceed 370 W. Load the latest ExtremeXOS image onto a USB 2.0 drive so zero-touch provisioning can complete within minutes of power-on.
Maintenance Suggestions: Schedule quarterly firmware updates during planned maintenance windows; ExtremeXOS supports ISSU, so the Extreme X440-G2 stack remains forwarding traffic while the standby partition upgrades. Clean fan vents with filtered compressed air to prevent thermal throttling in dusty plant environments. Retain spare SFP+ optics and an external RPS on-site—our warehouse stocks these items for same-day shipment, ensuring any single point of failure can be resolved without network downtime.
Product Assurance
Our company offers a one-year quality warranty service for the Extreme X440-G2, covering hardware failures caused by non-human factors. During the warranty period, if the product shows abnormal performance or functional failure, we will provide replacement service. In addition, for discontinued models or urgent needs, relying on our global supply chain network, we can quickly respond to customers’ procurement demands for scarce spare parts, and provide reliable services to support the continuous and stable operation of industrial systems.
Our company offers a one-year quality warranty service for the Extreme X440-G2, covering hardware failures caused by non-human factors. During the warranty period, if the product shows abnormal performance or functional failure, we will provide replacement service. In addition, for discontinued models or urgent needs, relying on our global supply chain network, we can quickly respond to customers’ procurement demands for scarce spare parts, and provide reliable services to support the continuous and stable operation of industrial systems.
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