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Aruba S4B23A#B2C CX 8325H 16-Port QSFP28 40G/100G Switch - Layer 3 Managed - 2x SFP+ Uplinks - 1U Rack-Mountable
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Product Features
Technical Overview
The CX 8325H features 16 QSFP28 ports that auto-negotiate across 1G, 10G, 25G, 40G, and 100G Ethernet standards, providing exceptional flexibility for mixed-speed environments. Two additional SFP+ uplink ports offer 10G connectivity for aggregation or backbone links, bringing the total expansion slot count to 18. The switch achieves a maximum data transfer rate of 12.50 GB/s, supporting high-throughput applications like data analytics, virtualization, and storage networking.
Layer 3 routing functionality enables advanced network segmentation, policy-based routing, and scalable IP address management. The switch supports optical fiber media across all port types, ensuring reliable long-distance connections with high data integrity. Remote Monitoring (RMON) and Synchronous Ethernet (SyncE) features provide detailed performance insights and precise timing synchronization for latency-sensitive applications.
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.
Key Product Advantages
This switch combines high port density with operational simplicity, featuring a stack port for easy network expansion without complex cabling or configuration overhead. The modular power and cooling design allows component replacement without downtime, while intelligent monitoring tools provide real-time visibility into network performance and health.
Flexible Speed Configuration
Each QSFP28 port supports five Ethernet speeds from 1G to 100G, enabling gradual network upgrades and mixed-speed deployments without hardware replacement.
- Auto-negotiation across standards
- Future-proof investment protection
- Simplified migration planning
High Availability Design
Redundant, hot-swappable power supplies and fans ensure continuous operation during component failures or maintenance windows.
- Dual power supply support
- Hot-swappable fan modules
- Minimal service disruption
Deployment / Use Cases
The CX 8325H is engineered for data center spine layers, high-performance computing clusters, and enterprise network cores where high bandwidth and low latency are critical. Its 40G/100G capabilities make it ideal for aggregating traffic from multiple access switches, connecting storage arrays, or serving as a backbone for virtualized environments.
In campus networking scenarios, the switch can function as a distribution layer device, providing Layer 3 routing between network segments while offering sufficient port density for connecting multiple buildings or floors. The compact 1U form factor makes it suitable for space-constrained rack environments, while the comprehensive management capabilities ensure consistent policy enforcement across the network.
Data Center Spine
Connect multiple access switches with high-speed 40G/100G links, providing scalable bandwidth for server-to-server and storage traffic.
- High port density
- Low-latency forwarding
- Optimized for east-west traffic
Enterprise Core
Serve as the central routing point for large campus networks, enabling efficient traffic segmentation and policy-based routing between departments.
- Layer 3 routing capabilities
- Policy enforcement
- Scalable IP management
What's in the Box
The package includes all necessary components for immediate deployment.
Highlights
- 16 QSFP28 ports supporting 1G/10G/25G/40G/100G Ethernet speeds
- 2 SFP+ uplink ports for 10G aggregation or backbone connectivity
- Layer 3 routing capabilities for advanced network segmentation
- 12.50 GB/s maximum data transfer rate for high-throughput applications
- Hot-swappable power supplies and fans for maximum uptime
- 1U rack-mountable form factor with back-to-front airflow
- Intelligent monitoring with Remote Monitoring (RMON) support
- Synchronous Ethernet (SyncE) for precise timing synchronization
- Redundant power supply support for high availability deployments
- Optical fiber media support across all port types
Specifications
| Specifications | |
|---|---|
| Manufacturer | Hewlett Packard Enterprise |
| Manufacturer Part Number | S4B23A#B2C |
| 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 |
| Miscellaneous | |
| Package Contents | CX 8325H 16p QSFP28 40G/100G Back-to-Front 4xFan 2xPSU Switch 4 x Fan 2 x PSU |
User Manual
FAQ
What Ethernet speeds do the QSFP28 ports support?
Each of the 16 QSFP28 ports supports 1 Gigabit, 10 Gigabit, 25 Gigabit, 40 Gigabit, and 100 Gigabit Ethernet speeds. This auto-negotiation capability allows flexible deployment in mixed-speed environments and provides a clear upgrade path as network requirements evolve.
How many uplink ports does this switch have?
The switch includes two dedicated SFP+ uplink ports that provide 10 Gigabit Ethernet connectivity. These ports are ideal for connecting to aggregation switches, network backbones, or high-speed servers, complementing the 16 primary QSFP28 ports.
Does this switch support Layer 3 routing?
Yes, the Aruba CX 8325H is a Layer 3 switch with full routing capabilities. It supports advanced features like policy-based routing, network segmentation, and scalable IP address management, making it suitable for core networking roles in enterprise and data center environments.
What is the maximum data transfer rate?
The switch achieves a maximum data transfer rate of 12.50 GB/s. This high throughput supports demanding applications such as data analytics, virtualization, and storage networking, ensuring minimal latency and efficient packet forwarding across all ports.
Is redundant power supply supported?
Yes, the switch supports redundant, hot-swappable power supplies. This design ensures continuous operation during power supply failures or maintenance, with the ability to replace components without disrupting network service.
What rack space does this switch require?
The switch occupies 1U of vertical space in standard 19-inch racks. Its compact, rack-mountable form factor includes back-to-front airflow for optimal cooling alignment with typical data center environments, making it suitable for space-constrained deployments.
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.