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Aruba S0U73A CX 5420 Switch Chassis - 20 Port Gigabit PoE - 4 x 10G SFP+ Slots - Layer 3 Managed - 4U Rack-Mountable
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Product Features
Technical Overview
The Aruba CX 5420 delivers enterprise-grade switching with a total of 10 expansion slots, including four SFP+ slots for high-speed 10G uplinks or fiber connectivity. It supports Gigabit Ethernet and 10 Gigabit Ethernet technologies, with network compatibility for 10/100/1000Base-T and 10GBase-LRM standards, ensuring interoperability with existing and next-generation network equipment.
Power features include PoE support on all 20 RJ-45 ports, compliant with IEEE 802.3bt for high-power device deployment. The chassis accepts 120V AC or 230V AC input and supports up to four hot-swappable power supplies for redundancy, with a maximum power consumption of 1600 watts to handle demanding PoE loads and system operations.
This section brings together practical product details such as Features, Total Number of Network Ports, Network (RJ-45), Modular, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Key Product Advantages
The CX 5420 stands out with its balanced combination of port density, uplink capacity, and management features, providing a future-proof backbone for growing networks. Its modular architecture allows organizations to tailor connectivity and expansion as needs evolve, reducing total cost of ownership over time.
High-Density PoE Deployment
With 20 Gigabit PoE ports, this chassis can power a wide range of devices such as IP phones, wireless access points, and security cameras, simplifying cabling and centralizing power management across the network.
Scalable Uplink Options
Four SFP+ slots enable 10G fiber or DAC connections for high-bandwidth aggregation, backbone links, or server connectivity, ensuring the network can handle increased traffic without bottlenecks.
Enterprise Reliability
Hot-swappable power supplies and modular line cards minimize downtime during maintenance or upgrades, while Layer 3 routing provides advanced traffic control and network segmentation for improved performance and security.
Deployment / Use Cases
The Aruba CX 5420 is engineered for roles that demand high availability, scalable connectivity, and centralized management. Its 4U rack-mount form factor and comprehensive feature set make it a versatile choice for modern data centers, campus networks, and large office environments.
In data center deployments, the chassis can serve as a top-of-rack or end-of-row switch, aggregating server traffic with 10G uplinks to core switches. For campus networks, it acts as a distribution layer switch, connecting multiple access switches and providing inter-VLAN routing. In office settings, it consolidates wired and wireless connectivity, powering PoE devices while offering management capabilities for streamlined network operations.
Data Center Aggregation
Use the CX 5420 to aggregate server racks with 10G uplinks, leveraging its high port count and expansion slots for scalable server-to-network connectivity in virtualized or high-performance computing environments.
Campus Network Core
Deploy as a core or distribution switch in educational or corporate campuses, utilizing Layer 3 routing for efficient traffic flow between buildings and departments, with PoE support for connected devices across the network.
Physical Profile
The CX 5420 chassis is designed for standard 19-inch rack installation with a 4U height, making it suitable for data center cabinets or network closets. Its compact dimensions—1.69 inches in height, 8.39 inches in width, and 9.02 inches in depth—optimize rack space while providing ample internal capacity for expansion modules and power supplies.
Weighing approximately 1.90 pounds, the chassis is lightweight for easy handling during installation. The rack-mountable form factor includes proper ventilation and mounting hardware compatibility, ensuring stable operation in controlled environments. TAA compliance confirms it meets trade agreement requirements for government and institutional procurement.
- Width
- 8.39" (213 mm)
- Depth
- 9.02" (229 mm)
- Height
- 1.69" (43 mm)
- Weight
- 1.90 lb (861.83 g)
Highlights
- 20 Gigabit Ethernet PoE ports for high-density device connectivity and power delivery.
- Four SFP+ slots support 10 Gigabit Ethernet uplinks for high-speed backbone or server links.
- Layer 3 routing enables advanced network segmentation, traffic management, and scalable design.
- Modular chassis with 10 expansion slots for flexible line card and uplink additions.
- Hot-swappable power supplies support up to 4 units for redundancy and uptime.
- 4U rack-mountable form factor fits standard 19-inch racks in data centers or network closets.
- IEEE 802.3bt compliant for high-power PoE devices like advanced access points or cameras.
- TAA compliant for use in government and institutional procurement scenarios.
Specifications
| Specifications | |
|---|---|
| Manufacturer | Hewlett Packard Enterprise |
| Manufacturer Part Number | S0U73A |
| Brand Name | Aruba |
| Product Series | CX 5420 |
| Product Name | CX 5420 Switch Chassis |
| Product Type | Switch Chassis |
| Technical Information | |
| Features | Hot-swappable |
| Interfaces/Ports | |
| Total Number of Network Ports | 20 |
| Network (RJ-45) | Yes |
| Modular | Yes |
| Port/Expansion Slot Details | 20 x Gigabit Ethernet PoE,4 x 10 Gigabit Ethernet Expansion Slot,6 x Expansion Slot |
| Media & Performance | |
| Media Type Supported | Twisted Pair,Optical Fiber |
| Ethernet Technology | Gigabit Ethernet,10 Gigabit Ethernet |
| Network Technology | 10/100/1000Base-T,10GBase-LRM |
| I/O Expansions | |
| Total Number of Expansion Slots | 10 |
| Expansion Slot Type | Line Card,SFP+ |
| Number of SFP+ Slots | 4 |
| Network & Communication | |
| Layer Supported | 3 |
| Networking Standards | IEEE 802.3bt |
| Management & Protocols | |
| Manageable | Yes |
| Power Description | |
| PoE (RJ-45) Port | Yes |
| Input Voltage | 120 V AC,230 V AC |
| Power Source | Power Supply,AC |
| Redundant Power Supply Supported | Yes |
| Number of Power Supplies Supported | 4 |
| Power Consumption | 1600 W |
| Physical Characteristics | |
| Compatible Rack Unit | 4U |
| Form Factor | Rack-mountable |
| Height | 1.69" (43 mm) |
| Width | 8.39" (213 mm) |
| Depth | 9.02" (229 mm) |
| Weight (Approximate) | 1.90 lb (861.83 g) |
| Miscellaneous | |
| TAA Compliant | Yes |
FAQ
How many PoE ports does the Aruba CX 5420 Switch Chassis have?
The Aruba CX 5420 Switch Chassis includes 20 Gigabit Ethernet ports that all support Power over Ethernet (PoE). This allows you to power devices such as IP phones, wireless access points, and security cameras directly through the network cables, simplifying installation and reducing the need for separate power sources.
What types of uplink options are available on this switch chassis?
This chassis provides four SFP+ slots dedicated to 10 Gigabit Ethernet expansion, enabling high-speed uplinks using fiber optic or Direct Attach Copper (DAC) cables. These uplinks are ideal for connecting to core switches, servers, or other high-bandwidth network segments to prevent bottlenecks and support growing traffic demands.
Is the Aruba CX 5420 a Layer 2 or Layer 3 switch?
The Aruba CX 5420 is a Layer 3 managed switch, meaning it supports routing functions such as inter-VLAN routing, dynamic routing protocols, and advanced traffic management. This makes it suitable for core or distribution roles in networks that require segmentation, scalability, and efficient data flow between different subnets.
Can the power supplies in this chassis be replaced without downtime?
Yes, the CX 5420 features hot-swappable power supplies, allowing you to replace or add power units while the switch remains operational. It supports up to four power supplies for redundancy, ensuring continuous power delivery and minimizing disruptions during maintenance or upgrades in critical environments.
What rack size is required for installing this switch chassis?
The Aruba CX 5420 has a 4U form factor, designed for standard 19-inch wide racks. Its dimensions are 1.69 inches in height, 8.39 inches in width, and 9.02 inches in depth, making it compatible with most data center cabinets and network racks for organized, professional installations.
Does this switch support both copper and fiber connections?
Yes, the CX 5420 supports twisted pair copper cables for its 20 Gigabit Ethernet ports and optical fiber connections through its SFP+ slots. This dual-media capability provides flexibility in network design, allowing you to use cost-effective copper for short runs and fiber for longer distances or higher bandwidth needs.
What uplink, SFP, fiber, or media support detail is listed?
The warranty or support detail listed is Twisted Pair,Optical Fiber, giving buyers a clearer picture of expected coverage after purchase.
Does the product support PoE or wireless networking?
Connectivity support is listed in the product specifications, including the relevant wireless or port options when available.
| Qty | Price | Available |
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