HPE SN3420M 25GbE Managed Switch with NVIDIA Cumulus Linux
The HPE SN3420M is a high-performance 25GbE managed switch engineered for enterprise data centers and cloud infrastructure requiring ultra-fast packet transmission. This M-Series layer 3 switch combines 48 x 25 Gigabit SFP28 ports with 12 x 100 Gigabit QSFP28 ports, delivering exceptional throughput for demanding network environments. Built with NVIDIA Cumulus Linux as the included network operating system, it provides open-source flexibility, advanced automation capabilities, and seamless integration into modern network architectures. Ideal for organizations deploying high-density, low-latency networking solutions.
Key Features
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48 x 25 Gigabit SFP28 Ports — High-density connectivity for 25GbE endpoints and aggregation
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12 x 100 Gigabit QSFP28 Ports — Ultra-high-speed uplink and core network connectivity
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Layer 3 Managed Architecture — Advanced routing, VLAN support, and network segmentation
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NVIDIA Cumulus Linux Operating System — Open-source NOS with automation and programmability
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Back-to-Front Airflow Design — Optimized thermal management for data center deployments
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Rack-Mountable Form Factor — Space-efficient installation in standard 19-inch racks
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Enterprise-Grade Performance — Designed for mission-critical applications and high-throughput environments
Technical Specifications
| Specification |
Details |
| Manufacturer |
Hewlett Packard Enterprise (HPE) |
| Model |
SN3420M |
| Part Number |
S2T77AR |
| Switch Type |
M-Series Layer 3 Managed Switch |
| Port Configuration |
48 x 25GbE SFP28 + 12 x 100GbE QSFP28 |
| Network Operating System |
NVIDIA Cumulus Linux |
| Form Factor |
Rack-Mountable (19-inch) |
| Airflow Direction |
Back-to-Front |
| Network Protocol Support |
Layer 2 & Layer 3 (Routing, VLAN, etc.) |
Frequently Asked Questions
What is the HPE SN3420M used for?
The HPE SN3420M is a 25GbE managed switch designed for data center networking, cloud infrastructure, and high-performance computing environments. It provides enterprise-grade switching with 48 x 25 Gigabit ports and 12 x 100 Gigabit uplink ports for demanding network applications requiring low latency and high throughput.
Does the HPE SN3420M include an operating system?
Yes, the HPE SN3420M comes with NVIDIA Cumulus Linux pre-installed. This open-source network operating system enables advanced automation, programmability, and integration with modern DevOps and cloud-native workflows.
What are the port specifications on this switch?
The SN3420M features 48 x 25 Gigabit SFP28 ports for high-density connectivity and 12 x 100 Gigabit QSFP28 ports for ultra-high-speed uplinks and core network connections, making it ideal for scalable data center architectures.
Is the HPE SN3420M suitable for rack-mounted data centers?
Yes, the HPE SN3420M is designed as a rack-mountable switch with back-to-front airflow optimization, making it ideal for standard 19-inch rack installations in enterprise data centers and colocation facilities.
