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Extreme Networks 4120-48MW-4Y 48 PORT MG 90W POE SWITCH 48MW-4Y

SKU 4120-48MW-4Y
by Extreme Networks

Condition: New or Refurbished, as shown in the product listing.

$10,951.85
Availability:
In stock

Product Information

Why This Extreme Model

The Extreme Networks 4120-48MW-4Y is a high-performance, cloud-managed Layer 2 switch designed for modern enterprise networks. This 48-port stackable switch delivers multi-gigabit speeds up to 2.5GbE and 90W PoE capabilities, making it ideal for high-density Wi-Fi 6/6E deployments and IoT environments.

100GbE QSFP28 2.5GbE 25GbE SFP28 4120-48MW-4Y 48-Port Switch
Explore the product details

Product Information

See How This Extreme Model Fits

Product-specific highlights, model facts, and buying guidance at a glance.

Extreme Networks hardware

Extreme Networks 4120-48MW-4Y 48 PORT MG 90W POE SWITCH 48MW-4Y

The Extreme Networks 4120-48MW-4Y is a high-performance, cloud-managed Layer 2 switch designed for modern enterprise networks. This 48-port stackable switch delivers multi-gigabit speeds up to 2.5GbE and 90W PoE capabilities, making it ideal for high-density Wi-Fi 6/6E deployments and IoT environments.
Model / MPN
4120-48MW-4Y
Condition
New
Hardware category
Extreme Power Supply
Manufacturer
Extreme Networks
100GbE QSFP28 2.5GbE 25GbE SFP28 4120-48MW-4Y 48-Port Switch 90W PoE Cloud-Managed Switch Enterprise Networking
Email an Extreme hardware specialist Call 1 (800) 796-2947

Extreme Networks Partner

Buy From an Extreme Networks Partner

NetworkEquipment.net combines product knowledge with practical sourcing support.

Extreme Networks Authorized Support and Services Partner

NetworkEquipment.net is an Extreme Networks Partner. Our specialists help technical teams and purchasing departments reduce model-selection and ordering risk before checkout.

Genuine hardware sourcing

Purchase Extreme Networks hardware through an experienced enterprise networking supplier.

Model-fit guidance

Validate ports, uplinks, radios, PoE, power, airflow, mounting, and management requirements.

Project and quantity support

Coordinate larger rollouts, spares, replacements, staging, and multi-site requirements.

Lifecycle-aware options

Compare new and refurbished paths, availability, lead time, and replacement considerations.

Email an Extreme hardware specialist Call 1 (800) 796-2947

Deployment Fit

Where This Hardware Delivers Value

Use product-specific use cases when available, then validate the model against the intended environment.

Campus and enterprise edge

Build secure, high-capacity access for users, phones, cameras, wireless access points, and connected devices.

Branches and distributed sites

Standardize network hardware across remote offices, retail, education, healthcare, and multi-site operations.

Aggregation and core

Scale uplinks, stacking, routing, resiliency, and network services as traffic and availability needs grow.

Refreshes and replacements

Match legacy function, software path, optics, power, and physical requirements during phased modernization.

Hardware Advantages

Product-Specific Features That Drive the Decision

Available product metafields appear first, followed by the hardware decision points that matter across Extreme deployments.

Performance matched to the role

Compare access, aggregation, core, wireless, and data-center capabilities against the intended network design.

Ports, radios, and uplinks

Use model-specific speeds, interface counts, stacking, radio, antenna, and uplink details to plan connectivity.

Resiliency and power planning

Review redundant power, PoE budget, stacking, airflow, environmental, and failover requirements.

Operational flexibility

Consider ExtremeXOS, VOSS, ExtremeCloud IQ, fabric, automation, and management dependencies where applicable.

Security capabilities

Evaluate segmentation, access control, encryption, secure management, and policy requirements for the deployment.

Investment protection

Plan for software compatibility, accessories, support eligibility, warranty, spares, and future expansion.

Technical Details

Technical Specifications

Specifications render from the selected SKU and available product metafields. Confirm final requirements against the exact manufacturer part number.

SKU
4120-48MW-4Y
Condition
New
Hardware category
Extreme Power Supply

Compatibility

Confirm the Complete Hardware Fit

Compatibility is more than the model number.

Validate optics and cables, port speeds, PoE class and budget, power supplies, airflow, rack or mounting requirements, stacking, firmware, operating system, management platform, and any separately required license or subscription.

Included Items & Accessories

Know What Ships—and What Must Be Added

Product-specific included-item metafields appear when available.

The listing and photographs define what is included. Power supplies, cords, rack ears, mounting kits, antennas, optics, cables, licenses, subscriptions, and support are included only when explicitly stated.

Deployment Planning

Plan the Installation Before the Box Arrives

Available deployment notes appear first, followed by a practical installation checklist.

Power and cooling

Confirm input power, power-supply count, PoE demand, redundancy, airflow direction, and environmental limits.

Physical installation

Verify rack units, mounting method, clearance, cabling paths, antenna placement, and service access.

Software and management

Align firmware, operating system, controller, cloud management, feature licensing, and change-window requirements.

Migration readiness

Document configuration, dependencies, rollback, spares, cutover sequence, and acceptance testing before installation.

Official Resources

Documentation, Downloads, and Support

Use official Extreme Networks resources to validate final specifications, software, compatibility, and deployment requirements.

Extreme Networks Support Support, software, downloads, knowledge, and service resources. Extreme Networks Documentation Official product, installation, configuration, and release documentation.

Buyer Questions

Extreme Networks Hardware FAQ

Answers to common hardware, compatibility, condition, and sourcing questions.

Is this physical Extreme Networks hardware?

Yes. This template is only for physical hardware and accessories. Licenses, subscriptions, maintenance, renewals, and support products use a separate template.

Are licenses, cloud subscriptions, or support included?

Only when the product listing explicitly says so. Many Extreme products require separate management, feature, cloud, or support entitlements.

Can you help confirm model compatibility?

Yes. Share the exact model, existing environment, port or radio needs, optics, power, software, management platform, and intended deployment.

How is product condition determined?

The condition shown in the product listing controls. New and refurbished options can differ in packaging, included accessories, warranty, lead time, and manufacturer-support eligibility.

Can you support project quantities and multi-site rollouts?

Yes. Ask about availability, lead times, staged delivery, spares, replacements, and larger deployment planning.

Project Support

Talk With Our Extreme Networks Hardware Specialist

Reduce ordering risk before checkout.

Send the model, quantity, deployment role, condition preference, compatibility questions, required accessories, and timing. We can help validate the bill of materials and sourcing path.

Email an Extreme hardware specialist Call 1 (800) 796-2947

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