What are the uplink port specifications?

Includes 4 x unpopulated 1/10/25G SFP28 ports and 2 x unpopulated 100G QSFP28 universal/stack ports, enabling high-speed aggregation and stacking for scalable enterprise topologies without performance bottlenecks.

What is the form factor and dimensions?

1U rack-mountable switch measuring 441 mm W x 44 mm H x 330 mm D (17.4 x 1.7 x 13.0 in), weighing 12.4 lb / 5.62 kg, with 3 fixed fan modules for efficient cooling in standard 19-inch racks.

What management options are available?

Cloud-managed via ExtremeCloud IQ, plus 1 x 100/1000BASE-T OOB management port, 1 x RJ-45 serial console, 1 x USB Micro-B console, and 2 x USB Type-A ports for local access and storage.

What is the operating temperature range?

Supports 0°C (32°F) to 50°C (122°F) up to 3000 m (10,000 ft) altitude, with compliance to IEC 61000-4-3/4/5/6/11 standards for radiated immunity, surges, and power dips, ensuring reliability in varied environments.

What power supply configuration is included?

Ships with 1 x internal fixed AC PSU (1200W, 100-120/200-240V~, 50/60 Hz, 12/8.5A max) and 1 x modular PSU slot supporting up to 2000W AC, providing redundancy and high PoE capacity.

4120-48MW-4Y - Extreme Networks 4120-48MW-4Y 48 x 10M/100M/1G/2.5GBase-T PoE (90W per port) Switch

Name: 4120-48MW-4Y - Extreme Networks 4120-48MW-4Y 48 x 10M/100M/1G/2.5GBase-T PoE (90W per port) Switch
Brand: Extreme Networks
SKU: 4120-48MW-4Y
Price: 8635 USD
Availability: InStock

4120-48MW-4Y - Extreme Networks 4120-48MW-4Y 48 x 10M/100M/1G/2.5GBase-T PoE (90W per port) Switch | US IT Hardware

Product overview

The Extreme Networks 4120-48MW-4Y is a cloud-managed stackable MultiGigabit Layer 3 switch from the 4120 Series, designed for enterprise wired edge deployments. It features 48 x 10M/100M/1G/2.5GBase-T PoE ports supporting 90W per port, enabling high-power connectivity for Wi-Fi 6/6E APs, IoT devices, and endpoints. Uplink options include 4 x 1/10/25G SFP28 ports and 2 x 100G QSFP28 universal/stack ports for high-bandwidth aggregation. Power is provided by 1 x internal 1200W AC PSU and 1 x modular slot supporting up to 2000W, delivering a total PoE budget of 2535W. The 1U rack-mountable unit measures 441 x 44 x 330 mm, weighs 5.62 kg, with 3 fixed fans and OOB management port. Operating from 0°C to 50°C, it meets IEC 61000 immunity standards, ideal for high-density environments requiring MultiGigabit speeds and robust PoE.

48x 2.5GBase-T 90W PoE ports for Wi-Fi/IoT
4x25G SFP28 + 2x100G QSFP28 stackable uplinks
2535W total PoE budget with dual PSU support
Cloud-managed Layer 3 MultiGigabit switching
1U rack-mount, 0-50°C operation, IEC compliant
OOB management + console/USB ports included

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 #	4120-48MW-4Y
Brand	Extreme Networks
Condition	New
Model	4120-48MW-4Y
Product Line	4120 Series
Product Type	Cloud-managed stackable MultiGigabit switch
Compliance Certifications	IEC 61000-4-3 Radiated Immunity 3V/m; IEC 61000-4-4 Transient Burst 2kV; IEC 61000-4-5 Surge 2kV; IEC 61000-4-6 Conducted Immunity 3Vrms; IEC/EN 61000-4-11 Power Dips

Power Consumption

Voltage Input
PoE Budget	90W Max per port; Total up to 2535W with max PoE load

Compatible systems

Cloud-managed switch; compatibility via Extreme Networks management platform

Best for

High-Density Wi-Fi
Powers Wi-Fi 6/6E access points with 48 x 2.5GBase-T 90W PoE ports and 2535W total budget, while 4 x 25G SFP28 uplinks handle aggregated traffic.
IoT Deployments
Supports MultiGigabit speeds across all 48 access ports for bandwidth-intensive IoT sensors and cameras, with stackable 100G QSFP28 ports for scalability.
Enterprise Wiring Closet
1U rack design with OOB management and dual PSU options ensures reliable Layer 3 switching in campus networks up to 50°C operating temperature.
Data Center Edge
2 x 100G QSFP28 universal ports enable high-speed uplinks to core switches, combined with 90W per-port PoE for mixed endpoint connectivity.

Frequently asked questions

What PoE capabilities does the 4120-48MW-4Y support?

Details

Shipping, warranty & returns

Customer reviews

No reviews yet — be the first to review this part.

Power Supplies	1 x internal fixed AC PSU (1200W); 1 x modular PSU slot (supports up to 2000W AC)

Physical Characteristics

Weight	12.4 lb / 5.62 kg
Dimensions	441 mm W x 44 mm H x 330 mm D (17.4 in x 1.7 in x 13.0 in)
Rack Units	1U
Fan Modules	3 x fixed fan modules
Form Factor	Rack mountable switch
Status LEDs	System LEDs; Mode button

Operating Temperature	0°C (32°F) to 50°C (122°F) up to 3000 m (10,000 ft)

Interface/Ports

USB Ports	2 x USB Type-A ports
Uplink Ports	4 x 1/10/25G SFP28 ports (unpopulated); 2 x 100G QSFP28 Universal/Stack ports (unpopulated)
Console Ports	1 x RJ-45 Serial console port; 1 x USB Micro-B console port
Ethernet Ports	48 x 10M/100M/1G/2.5GBase-T PoE (90W per port)
Management Port	1 x 100/1000BASE-T OOB management port
MultiGigabit Support	1/2.5Gb across all access ports

Extreme Networks 4120-48MW-4Y 48 x 10M/100M/1G/2.5GBase-T PoE (90W per port) Switch