The Extreme 5420M-48W-4YE is a high-performance modular switch belonging to Extreme Networks’ 5420 series. It is designed for enterprise-level networks and offers 48 ports with 90W PoE capabilities, making it ideal for applications requiring high PoE power and high-speed connectivity. Below is a detailed product description:
Product Overview
The Extreme 5420M-48W-4YE is part of Extreme Networks’ 5420 series of universal aggregation switches. It features 48 x 10/100/1000BASE-T 802.3bt (90W) ports with full/half-duplex auto-sensing and MACsec capability, as well as 4 x 1/10/25Gb SFP28 uplink ports. It also includes two unpopulated PSU slots and a modular fan module. With a switching capacity of 376 Gbps and a frame forwarding rate of 279.7 Mpps, this switch provides robust performance and reliability. Its 90W PoE capability ensures sufficient power supply for various PoE devices, while the MACsec support enhances network security. The modular design allows for flexible configuration and scalability, meeting the needs of different network environments. Whether deployed as an access layer switch in enterprise networks or as an aggregation layer switch in campus networks, the Extreme 5420M-48W-4YE delivers exceptional performance and reliability.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | Extreme 5420M-48W-4YE |
| Manufacturer | Extreme Networks |
| Product Type | Ethernet Switch |
| Number of Ports | 48 x 10/100/1000BASE-T 802.3bt (90W) ports, 4 x 1/10/25Gb SFP28 uplink ports |
| PoE Capability | 90W per port, total PoE budget up to 1558W with a single PSU and 1704W with dual PSUs |
| Switching Capacity | 376 Gbps |
| Frame Forwarding Rate | 279.7 Mpps |
| MAC Table Entries | 32,000 (64,000 non-Fabric) |
| IPv4 ARP Table Entries | 24,000 |
| IPv4 Route Table Entries | 11,750 |
| IPv6 Route Table Entries | 5,750 |
| IPv6 Neighbor Table Entries | 16,000 |
| ACL (Ingress/Egress) | 1,024/336 |
| QoS Egress Queues/Port | 8 |
| VLANs | 4,059 |
| IP Interfaces | 248 |
| Power Supply Options | XN-ACPWR-920W, XN-ACPWR-2000W, or XN-ACPWR-1200W-FB |
| Fan Module | Modular fan module |
| Dimensions | 442 mm (W) × 43.2 mm (H) × 330.20 mm (D) |
| Weight | 4.73 kg (10.43 lb) |
| Operating Temperature | 0°C to 45°C |
| Storage Temperature | -40°C to 70°C |

Key Features and Benefits
The Extreme 5420M-48W-4YE boasts several standout features that make it an exceptional choice for high-performance network applications. First and foremost is its 90W PoE capability. With 48 PoE ports, each capable of delivering up to 90W of power, it can meet the power requirements of various high-power PoE devices such as PTZ cameras, wireless access points, and IP phones. This ensures stable operation of these devices without the need for additional power supplies, simplifying network deployment and reducing cabling complexity.
Another notable feature is its high-speed uplink ports. The switch is equipped with 4 x 1/10/25Gb SFP28 uplink ports, enabling high-speed connections to core switches or data centers. This facilitates smooth data transmission and ensures efficient communication between different network segments, meeting the bandwidth demands of modern networks.
The switch also supports MACsec encryption technology, which provides end-to-end encryption and authentication of Ethernet frames. This effectively protects data transmitted over the network from eavesdropping and tampering, enhancing network security and reliability. It is particularly suitable for networks with high security requirements, such as enterprise campuses and data centers.
In terms of performance, the Extreme 5420M-48W-4YE delivers excellent switching capacity and frame forwarding rate. With a switching capacity of 376 Gbps and a frame forwarding rate of 279.7 Mpps, it can handle large volumes of network traffic, ensuring smooth operation of the network even under high loads. This makes it well-suited for scenarios with high traffic demands, such as video conferencing, large file transfers, and cloud computing.
The switch also features a modular design, allowing for flexible configuration and scalability. Users can select different power supply modules and fan modules based on their specific needs, enabling customization of the switch’s functionality and performance. This modular design not only enhances the switch’s adaptability but also facilitates maintenance and upgrades.
Application Scenarios
The Extreme 5420M-48W-4YE is highly versatile and suitable for a wide range of network applications across different industries. In enterprise networks, it can serve as an access layer switch, connecting various PoE devices such as IP cameras, wireless access points, and IP phones. Its 90W PoE capability ensures stable power supply for these devices, while its high-speed uplink ports enable fast connections to core switches, ensuring smooth data transmission and efficient communication between different departments.
In campus networks, the Extreme 5420M-48W-4YE can act as an aggregation layer switch, connecting multiple access layer switches and providing high-bandwidth uplinks to core switches. Its high PoE power and high-speed uplink ports meet the bandwidth demands of campus networks, ensuring smooth operation of applications such as video surveillance and wireless coverage.
In data centers, the switch can serve as a server access switch, connecting servers with high PoE requirements. Its 90W PoE capability and high-speed uplink ports meet the power and bandwidth needs of servers, ensuring stable operation of data center equipment and efficient data transmission.
Related Models
Extreme 5420M-24W-4YE – A 24-port PoE switch with 90W PoE capability, featuring 24 x 10/100/1000BASE-T 802.3bt (90W) ports and 4 x 1/10/25Gb SFP28 uplink ports. It is suitable for smaller-scale networks or scenarios with lower PoE demands.
Extreme 5420M-48T-4YE – A non-PoE switch offering 48 x 10/100/1000BASE-T ports and 4 x 1/10/25Gb SFP28 uplink ports. It lacks PoE functionality but provides high-density 10/100/1000BASE-T ports, making it ideal for non-PoE application scenarios.
Extreme 5420M-16MW-32P-4YE – A switch with 16 x 100Mb/1Gb/2.5Gb 802.3bt 90W PoE ports and 32 x 10/100/1000BASE-T 30W PoE ports. It combines high PoE power and high-density PoE ports, offering flexible PoE configurations for various network environments.
Extreme 5420F-48P-4XE – A fixed-configuration PoE switch with 48 x 10/100/1000BASE-T 802.3at (30W) PoE ports and 4 x 1/10Gb SFP+ uplink ports. It provides 30W PoE power and fixed uplink ports, suitable for scenarios with moderate PoE demands and simpler network architectures.

Installation and Maintenance
Before installing the Extreme 5420M-48W-4YE, ensure the designated location meets specific physical space requirements to allow for proper ventilation and heat dissipation. The environment should be within the specified temperature and humidity ranges, free from conductive contaminants that could compromise electrical connections. Securely mount the switch on a stable surface using its 19-inch rack-mountable design to ensure stability and ease of access for maintenance personnel. Proper grounding is essential to prevent electrical interference and ensure reliable operation.
For maintenance of the Extreme 5420M-48W-4YE, regularly inspect the device and its connections for signs of physical damage, corrosion, or loose connections that could affect network performance. Periodically check the cooling system to ensure air vents are unobstructed and fan modules are functioning correctly. Follow the manufacturer’s guidelines for functional tests and calibration procedures to confirm the switch remains fully operational. While the Extreme 5420M-48W-4YE is designed for long-term reliability, replace consumable components like fans at the recommended intervals to maintain optimal system performance. Always refer to the maintenance manual for specific instructions tailored to the Extreme 5420M-48W-4YE to ensure compliance with safety standards and warranty requirements.
Product Warranty
Xiamen Xiongba E-commerce Co., Ltd. Branch offers a one-year warranty for the Extreme 5420M-48W-4YE, covering manufacturing defects and ensuring reliable performance. Our free replacement service guarantees that in the event of any warranted issues, a replacement unit will be promptly provided to minimize operational downtime. We stand behind the quality of the Extreme 5420M-48W-4YE and are committed to providing comprehensive support throughout the product’s lifecycle. Our global support network ensures customers can access timely assistance wherever they are located. With over a decade of industry experience and direct overseas sourcing, we are confident in delivering high-quality network equipment that meets the stringent demands of modern network operations. Choosing the Extreme 5420M-48W-4YE from Xiongba means partnering with a reliable supplier dedicated to your network performance and success.
Our one-year warranty and free replacement service ensure that you can rely on the performance and quality of the Extreme 5420M-48W-4YE. Xiamen Xiongba E-commerce Co., Ltd. Branch specializes in industrial automation and offers a wide range of products, including DCS, robot systems, and modules/spare parts for large-scale servo control systems. With over a decade of industry experience, we have grown into a global industrial automation spare parts supplier. We source directly from overseas, offering products from multiple countries and manufacturers. This approach resolves procurement challenges, ensures product quality, and provides significant price advantages.


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