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Aruba S4B23A#ARB CX 8325H 16-Port QSFP28 40G/100G Switch - Layer 3 Managed - 1U Rack-Mountable with 2x SFP+ Uplinks
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Product Features
Technical Overview
This switch features 16 QSFP28 ports that auto-negotiate between 1GbE, 10GbE, 25GbE, 40GbE, and 100GbE speeds, plus two dedicated 10GbE SFP+ uplink ports for aggregation or backbone connections. The total switching capacity reaches 12.50 GB/s, supporting high-density server connectivity and storage networking.
Network professionals benefit from comprehensive management protocols including Remote Monitoring (RMON) and Synchronous Ethernet (SyncE) for precise timing synchronization. The Layer 3 routing engine enables scalable network design with advanced QoS, security policies, and dynamic routing protocols.
This section brings together practical product details such as Features, Stack Port, Port/Expansion Slot Details, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.
Key Product Advantages
The Aruba CX 8325H delivers enterprise-grade reliability and performance in a dense 1U footprint. Its flexible port configuration eliminates the need for multiple switch tiers by supporting everything from legacy Gigabit Ethernet to cutting-edge 100GbE connections on the same platform.
Future-Proof Connectivity
QSFP28 ports support five different Ethernet speeds, allowing seamless migration from existing infrastructure to higher bandwidth requirements without hardware replacement.
- Auto-negotiating ports reduce configuration complexity
- Backward compatibility protects existing investments
High Availability Design
Redundant, hot-swappable power supplies and four cooling fans ensure continuous operation during component maintenance or failure scenarios.
- Minimizes downtime during hardware servicing
- Supports N+1 power redundancy configurations
Advanced Network Visibility
Intelligent monitoring and RMON capabilities provide detailed traffic analysis and troubleshooting tools for optimal network performance management.
- Proactive issue identification
- Historical performance trending
Deployment / Use Cases
This switch excels in data center spine-leaf architectures where high-density 40G/100G connectivity is required between aggregation switches and server racks. The Layer 3 capabilities make it suitable for inter-VLAN routing and as a core switch in medium to large enterprise networks.
Service providers can leverage the Synchronous Ethernet support for mobile backhaul and timing-sensitive applications. The compact 1U form factor and standard rack mounting make it ideal for space-constrained environments like colocation facilities and edge data centers.
This section brings together practical product details such as Features, Stack Port, Port/Expansion Slot Details, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Data Center Core/Spine
Connect multiple server racks with high-bandwidth 40G/100G links while providing Layer 3 routing between network segments.
High-Performance Computing
Support cluster interconnects and storage networks requiring low latency and high throughput for scientific or financial applications.
Highlights
- 16 QSFP28 ports supporting 1GbE to 100GbE Ethernet speeds
- 2 dedicated 10GbE SFP+ uplink ports for aggregation
- Layer 3 routing capabilities for scalable network design
- Hot-swappable power supplies and fans for high availability
- 1U rack-mountable form factor with back-to-front airflow
- Intelligent monitoring with RMON and SyncE support
- 500W power consumption with 120/230V AC input
- Stack port for easy network expansion
- Managed switch with comprehensive configuration options
- Optical fiber media support for long-distance connections
Specifications
| Specifications | |
|---|---|
| Manufacturer | Hewlett Packard Enterprise |
| Manufacturer Part Number | S4B23A#ARB |
| Brand Name | Aruba |
| Product Series | CX 8325 |
| Product Model | CX 8325H |
| Product Name | CX 8325H 16p QSFP28 40G/100G Back-to-Front 4xFan 2xPSU Switch |
| Product Type | Ethernet Switch |
| Technical Information | |
| Features | Intelligent monitoring,Remote Monitoring (RMON),Synchronous Ethernet (SyncE),Hot-swappable |
| Interfaces/Ports | |
| Stack Port | Yes |
| Port/Expansion Slot Details | 16 x 1/10/25/40/100 Gigabit Ethernet QSFP28 Expansion Slot,2 x 10 Gigabit Ethernet SFP+ Expansion Slot |
| Media & Performance | |
| Media Type Supported | Optical Fiber |
| Ethernet Technology | Gigabit Ethernet,10 Gigabit Ethernet,25 Gigabit Ethernet,40 Gigabit Ethernet,100 Gigabit Ethernet |
| Network Technology | 1000Base-X,10GBase-X,25GBase-X,40GBase-X,100GBase-X |
| Maximum Data Transfer Rate | 12.50 GB/s |
| I/O Expansions | |
| Total Number of Expansion Slots | 18 |
| Expansion Slot Type | QSFP28,SFP+ |
| Number of SFP+ Slots | 2 |
| Network & Communication | |
| Layer Supported | 3 |
| Management & Protocols | |
| Manageable | Yes |
| Power Description | |
| Input Voltage | 120 V AC,230 V AC |
| Power Source | Power Supply,AC |
| Redundant Power Supply Supported | Yes |
| Power Consumption | 500 W |
| Physical Characteristics | |
| Compatible Rack Unit | 1U |
| Form Factor | Rack-mountable,Compact |
User Manual
FAQ
What Ethernet speeds do the QSFP28 ports support?
The 16 QSFP28 ports auto-negotiate between five different Ethernet standards: 1 Gigabit Ethernet, 10 Gigabit Ethernet, 25 Gigabit Ethernet, 40 Gigabit Ethernet, and 100 Gigabit Ethernet. This flexibility allows you to connect devices with varying bandwidth requirements without needing different switch models or adapter modules.
How many uplink ports does this switch include?
The Aruba CX 8325H includes two dedicated 10 Gigabit Ethernet SFP+ uplink ports. These ports provide connectivity to aggregation switches, network backbones, or high-speed servers, complementing the 16 primary QSFP28 ports for a total of 18 expansion slots.
Does this switch support Layer 3 routing?
Yes, this is a Layer 3 managed switch that supports advanced routing protocols and inter-VLAN routing. The Layer 3 capabilities enable scalable network design, improved traffic management, and reduced reliance on external routers for internal network segmentation.
What redundancy features are included?
The switch features redundant, hot-swappable power supplies and four cooling fans. This N+1 redundancy design allows you to replace failed components without powering down the switch, ensuring continuous network availability during maintenance operations.
What rack space does this switch require?
The Aruba CX 8325H occupies a single rack unit (1U) in standard 19-inch equipment racks. The compact form factor maximizes port density per rack space, while the back-to-front airflow design aligns with typical data center cooling configurations for optimal thermal management.
What management capabilities does this switch offer?
As a fully manageable switch, it provides comprehensive configuration options through CLI, web interface, or network management systems. Features include intelligent monitoring, Remote Monitoring (RMON) for traffic analysis, Synchronous Ethernet (SyncE) for timing synchronization, and a stack port for simplified multi-switch management.
What uplink, SFP, fiber, or media support detail is listed?
The warranty or support detail listed is Optical Fiber, giving buyers a clearer picture of expected coverage after purchase.
What management, monitoring, or control option is listed?
Gigabit Ethernet,10 Gigabit Ethernet,25 Gigabit Ethernet,40 Gigabit Ethernet,100 Gigabit Ethernet.
| Qty | Price | Available |
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