Extreme Networks 5120 48-Port Stackable Switch
The Extreme Networks 5120 Series is a high-performance stackable switch engineered for enterprises requiring flexible, cost-optimized connectivity across edge and aggregation networks. This 48-port model delivers exceptional throughput with 44 x 1G/10G SFP+ ports, 4 x 10G/25G SFP28 ports, and 2 x 100Gb QSFP28 universal stack ports. Ideal for data center operators, service providers, and large enterprises, the 5120 combines scalability with intelligent management through Extreme Platform ONE, ExtremeCloud IQ, or Switch Engine OS, making it the perfect choice for organizations modernizing their network infrastructure.
Key Features
-
44 x 1G/10G SFP+ Ports — Flexible connectivity for mixed-speed deployments and future-ready edge infrastructure
-
4 x 10G/25G SFP28 Uplink Ports — High-speed aggregation with support for 25Gb connectivity
-
2 x 100Gb QSFP28 Universal Ports — Ultra-high-bandwidth stacking and uplink capabilities for demanding applications
-
Stackable Architecture — Seamless multi-unit deployment for simplified management and increased port density
-
Cost-Optimized Design — Delivers enterprise-grade performance without premium pricing
-
Multi-Management Support — Compatible with Extreme Platform ONE, ExtremeCloud IQ, and Switch Engine OS for flexible deployment models
-
Edge & Aggregation Ready — Purpose-built for connecting end devices and edge computing stacks
Technical Specifications
| Specification |
Details |
| Manufacturer |
EXTREME NETWORK INC |
| Part Number |
5120-44X-4Y-2C |
| Port Configuration |
44 x 1G/10G SFP+, 4 x 10G/25G SFP28, 2 x 100Gb QSFP28 |
| Total Ports |
48 ports (plus stacking/uplink) |
| Uplink Speed |
25Gb and 100Gb options |
| Form Factor |
Stackable switch |
| Management |
Extreme Platform ONE, ExtremeCloud IQ, Switch Engine OS |
| Use Case |
Edge aggregation, data center connectivity, enterprise networks |
Frequently Asked Questions
What is a stackable switch and why choose the 5120?
A stackable switch allows multiple units to operate as a single logical device, simplifying management and increasing port density. The Extreme Networks 5120 stackable switch is ideal for growing networks requiring flexible, cost-effective expansion without complex configurations.
What are the differences between SFP+, SFP28, and QSFP28 ports?
The 5120 features three port types: 44 x 1G/10G SFP+ ports for standard connectivity, 4 x 10G/25G SFP28 ports for higher-speed aggregation, and 2 x 100Gb QSFP28 ports for ultra-high-bandwidth uplinks and stacking. This multi-speed design provides maximum flexibility for diverse network requirements.
How does the 5120 support edge computing deployments?
As an edge switch, the 5120 Series connects end devices and edge computing stacks with optimized port density and management capabilities. Its stackable architecture and multiple uplink options make it perfect for distributed edge infrastructure.
Which management platforms are compatible with the 5120?
The 5120 supports three management options: Extreme Platform ONE for comprehensive control, ExtremeCloud IQ for cloud-based management, and Switch Engine OS for traditional CLI-based administration, allowing you to choose the best fit for your operational model.
