Extreme Networks 5520-48SE Switch – 48-Port 1000BASE-X SFP with 2 QSFP28 Stacking Ports, MACsec, Modular Design

5520-48SE 5520 48 1000BASE-X SFP 2 stacking/QSFP28 1 unpopulated VIM slot MACsec capable includes 3 fan modules 2 unpopulated modular PSU slots

Product Description:

The Extreme Networks 5520-48SE is a high-density, feature-rich enterprise switch built to meet modern networking demands with speed, security, and flexibility. Equipped with 48 1000BASE-X SFP fiber ports, this model is designed for environments that require secure and scalable Layer 2/3 switching with robust MACsec encryption capabilities.

With two QSFP28 uplink/stacking ports, the 5520-48SE supports high-throughput backbone connectivity and scalable multi-switch deployments. It includes three pre-installed fan modules for efficient cooling and offers two unpopulated PSU bays for optional redundant power configurations. The unpopulated VIM slot allows for versatile expansion options to meet future network needs.

This switch is a strong fit for large enterprise networks, healthcare systems, and campus environments seeking a secure, fiber-based infrastructure. It’s ideal for applications that require flexible module support, reliable SFP port density, and advanced network security protocols such as MACsec.

Features:

• 48 x 1000BASE-X SFP fiber ports for high-density gigabit connectivity

• 2 x QSFP28 ports for stacking or high-speed uplinks

• Built-in MACsec encryption for secure data transmission

• Includes 3 modular fan units for efficient thermal management

• 2 unpopulated modular PSU slots for redundant power support

• 1 unpopulated VIM slot for additional interface expansion

• Designed for scalable enterprise core or aggregation layers

• Ideal for high-security environments and all-fiber networks

Q & A Section

Q: What type of ports are available on the Extreme Networks 5520-48SE?
A: It has 48 SFP ports supporting 1000BASE-X for fiber connectivity, and 2 QSFP28 ports for stacking or uplink.

Q: Does the 5520-48SE support MACsec encryption?
A: Yes, this model includes MACsec capabilities for secure Layer 2 traffic encryption, ideal for sensitive network environments.

Q: Are the power supplies included?
A: No, it includes 3 fan modules, but the two modular PSU slots are unpopulated and support optional redundant power supply units.

Q: Can the switch be expanded with additional modules?
A: Yes, the switch features an unpopulated VIM slot for future expansion, giving you flexibility in evolving network designs.

Q: What environments is this switch best suited for?
A: It’s ideal for secure enterprise cores, large-scale fiber-based networks, healthcare systems, and other high-density deployment scenarios.