HPE R9Y04-61021 Aruba 48 Ports 48G Class4 PoE 4SFP+ Switch

Highlight of HPE Aruba 48-Port PoE+ Managed Network Switch  

The HPE Aruba CX 6100 R9Y04-61021 is a high-performance managed Gigabit Ethernet switch engineered for modern business networks requiring reliable connectivity, advanced Layer 2 functionality, and extensive Power over Ethernet capabilities. Featuring 48 PoE+ access ports, four high-speed 10G SFP+ uplinks, and a substantial 740W PoE power budget, this switch is designed to support demanding enterprise, campus, branch office, and edge networking environments.

General Specification 

• Manufacturer: HPE
• Part Number: R9Y04-61021
• Device Type: Manageable Switch

Technical Specifications

• 48 x Gigabit Ethernet 10/100/1000 RJ-45 PoE+ ports
• 4 x 1G/10G SFP+ uplink interfaces
• 740W PoE Class 4 power budget
• 1U rack-mountable chassis design
• Side-to-side airflow architecture
• Managed Layer 3 switch functionality
• Internal 950W power supply
• USB-C console connectivity
• USB Type-A host interface

PoE+ Advantages for Modern Networks

• Reduces dependence on external power adapters
• Simplifies installation of IP-based devices
• Supports IEEE-compliant powered equipment
• Improves cable management and deployment flexibility
• Centralizes power administration and monitoring
• Ideal for large-scale wireless and security deployments

Benefits of 10G SFP+ Uplinks

• Higher throughput for data-intensive applications
• Reduced network congestion
• Efficient switch-to-switch connectivity
• Improved backbone scalability
• Enhanced support for virtualization and cloud workloads

Supported Management Protocols

• SNMP
• SNMP v2
• SNMP v3
• RMON
• CLI Management
• MIB Support

Network Monitoring Capabilities

• Performance tracking and diagnostics
• Remote configuration management
• Traffic visibility and reporting
• Device status monitoring
• Centralized administration

Security Technologies Included

• SSL encryption support
• SSH secure remote access
• SSH Version 2 authentication
• RADIUS authentication integration
• TACACS+ access control
• Secure management sessions

Security Benefits

• Protected administrative communications
• Centralized user authentication
• Improved network access control
• Enhanced compliance readiness
• Reduced security vulnerabilities

Supported Switching Features

• Layer 2 switching functionality
• Rapid Spanning Tree Protocol (RSTP)
• Multiple Spanning Tree Protocol (MSTP)
• Rapid PVST+ support
• Link Layer Discovery Protocol (LLDP)
• Uni-Directional Link Detection (UDLD)
• Address Resolution Protocol (ARP)
• Class of Service (CoS)
• Type of Service (ToS)

Network Reliability Benefits

• Loop prevention mechanisms
• Improved redundancy management
• Optimized traffic prioritization
• Enhanced network uptime
• Faster convergence during topology changes

Supported Routing Protocols 

• IGMP
• IGMPv2
• IGMPv3
• MLD
• MLDv2

Multicast Deployment Applications

• IP television distribution
• Video conferencing systems
• Corporate streaming services
• Multimedia broadcasting
• Efficient bandwidth utilization

Memory, Processing, and Performance

• ARM Cortex-A9 processor running at 1.016 GHz
• 4GB DDR3 SDRAM memory
• 16GB flash storage
• 8,192 MAC address entries
• 9,220-byte jumbo frame support

Performance-Oriented Architecture 

• Supports large device environments
• Handles growing traffic demands
• Improves packet forwarding efficiency
• Supports larger frame transmissions
• Optimized for business applications

Supported IEEE Standards

• IEEE 802.3 Ethernet
• IEEE 802.1Q VLAN
• IEEE 802.1D Spanning Tree
• IEEE 802.1P Traffic Prioritization
• IEEE 802.3AB Gigabit Ethernet
• IEEE 802.3AF PoE
• IEEE 802.3AT PoE+
• IEEE 802.3AD LACP
• IEEE 802.1W RSTP
• IEEE 802.1S MSTP
• IEEE 802.3AZ Energy Efficient Ethernet

Power Specifications and Energy Efficiency

• Internal power supply design
• 950W maximum power delivery
• AC 100-127V and 200-240V support
• 50/60 Hz operating frequency
• 49.7W operational power consumption
• 37.5W standby power usage

Ideal Deployment Scenarios

• Enterprise office networks
• Educational institutions
• Retail environments
• Healthcare facilities
• Government organizations
• Hospitality networks
• Branch office infrastructure
• Wireless access point aggregation
• IP surveillance deployments
• VoIP communication systems

Outline of HPE R9Y04-61021 Aruba 48 Ports PoE 4SFP+ Switch 

The HPE R9Y04-61021 Aruba 48 Ports L3 Class4 Gigabit Ethernet PoE 4SFP+ 740W Manageable Switch is designed to address the growing requirements of modern enterprise networks that demand reliability, scalability, security, and high-performance connectivity. Organizations operating across diverse industries require switching solutions capable of supporting increasing numbers of connected devices while maintaining uninterrupted communication and consistent network performance. This manageable switch delivers extensive Gigabit Ethernet connectivity, advanced Layer 3 capabilities, Power over Ethernet functionality, and high-speed uplink options that help organizations build efficient and future-ready infrastructures.

As businesses continue adopting cloud-based applications, collaboration platforms, wireless networks, IoT devices, surveillance systems, and advanced communication technologies, network infrastructure must evolve accordingly. The Aruba switch platform provides a comprehensive foundation that enables network administrators to deploy secure, intelligent, and highly manageable network environments capable of adapting to changing business demands.

48 Gigabit Ethernet Ports for High-Density Connectivity

The switch features 48 Gigabit Ethernet ports that support high-density network deployments in enterprise offices, educational institutions, healthcare facilities, retail environments, government organizations, and industrial locations. These ports provide reliable connectivity for a wide range of devices including desktop computers, laptops, printers, IP phones, wireless access points, surveillance cameras, and network storage systems.

Gigabit Ethernet technology enables high-speed data transmission that supports modern bandwidth-intensive applications. Organizations can benefit from faster file transfers, improved access to centralized resources, seamless multimedia streaming, and enhanced communication between departments and remote locations. The high port density allows businesses to connect numerous devices from a single switching platform while simplifying infrastructure management and reducing deployment complexity.

Efficient Network Expansion Capabilities

Businesses often experience continual growth in connected devices and network requirements. The 48-port architecture provides substantial room for expansion without requiring immediate investments in additional switching hardware. This flexibility supports evolving operational needs while helping organizations maintain efficient resource utilization and infrastructure planning.

Reliable Access Layer Performance

As an access-layer networking solution, the switch serves as a critical connection point between endpoint devices and the broader network infrastructure. Consistent Gigabit performance helps ensure responsive application access, stable communication services, and reliable user experiences across the organization.

Advanced Layer 3 Switching Functionality

Layer 3 functionality significantly enhances network intelligence by enabling routing capabilities directly within the switch. Rather than relying solely on external routers for traffic management, the switch can efficiently process inter-VLAN routing and optimize traffic flow between network segments.

Organizations implementing network segmentation can benefit from improved performance, reduced bottlenecks, and simplified network architecture. Layer 3 capabilities contribute to enhanced scalability by supporting larger network deployments with multiple departments, user groups, and operational zones.

Inter-VLAN Routing Support

Modern enterprise networks frequently separate traffic into distinct VLANs to improve security, performance, and management efficiency. The Layer 3 architecture facilitates communication between these VLANs while maintaining controlled traffic flows. This capability supports departmental separation, guest network isolation, IoT segmentation, and application-specific network policies.

Optimized Traffic Management

Intelligent routing decisions help direct traffic through the most efficient network paths. This optimization contributes to reduced latency, improved application responsiveness, and enhanced overall network performance, particularly in environments with significant data movement and communication requirements.

Scalable Network Architecture

Organizations planning future expansion benefit from Layer 3 switching because it supports increasingly complex infrastructures without introducing unnecessary management challenges. Network administrators can create flexible topologies that accommodate organizational growth while maintaining operational efficiency.

Class 4 Power over Ethernet Capabilities

Power over Ethernet technology simplifies device deployment by delivering electrical power and network connectivity through a single Ethernet cable. The Class 4 PoE support available on this Aruba switch enables organizations to power a broad range of network-connected devices without requiring separate electrical infrastructure at each installation location.

This approach reduces installation complexity, lowers deployment costs, and increases placement flexibility for connected devices. Network administrators can install equipment in locations where traditional power outlets may not be readily available while maintaining centralized control over power distribution.

Support for IP Telephony Deployments

IP phones represent a critical component of modern business communications. The switch can provide power and connectivity to numerous VoIP devices simultaneously, simplifying deployment and supporting unified communications strategies. Centralized power delivery also improves manageability and operational reliability.

Wireless Access Point Connectivity

Wireless networking continues to play a crucial role in digital transformation initiatives. PoE-enabled connectivity allows Aruba wireless access points and compatible devices to be deployed throughout facilities without requiring local power adapters. This flexibility helps organizations create comprehensive wireless coverage across offices, campuses, and public spaces.

Security Camera Integration

Surveillance systems often require installation in locations that may not have convenient electrical access. PoE functionality simplifies camera deployment by supplying both power and data connectivity through a single cable infrastructure. This streamlined approach supports efficient security implementations and easier maintenance procedures.

Enhanced Device Management

Administrators can remotely manage power delivery to connected devices, enabling troubleshooting, scheduled power cycling, and energy management initiatives. This capability contributes to operational efficiency while reducing the need for physical intervention.

740W Power Budget for Demanding Environments

The substantial 740W PoE power budget provides sufficient capacity to support numerous powered devices simultaneously. Organizations deploying large numbers of wireless access points, IP cameras, access control devices, and VoIP phones benefit from the available power resources without compromising performance or scalability.

High power availability ensures that growing device ecosystems can be accommodated without immediate concerns regarding power allocation limitations. This makes the switch particularly suitable for environments with extensive network-connected equipment and evolving infrastructure requirements.

Support for Multiple Device Types

The available power budget enables simultaneous operation of various endpoint categories. Businesses can deploy a combination of communication devices, surveillance systems, wireless infrastructure, and specialized network equipment while maintaining reliable operation across the network.

Future-Ready Infrastructure Planning

As organizations continue integrating advanced technologies, power requirements often increase. The robust PoE budget helps ensure long-term infrastructure readiness by supporting future device deployments and technology upgrades without requiring immediate hardware replacement.

4 SFP+ Uplink Ports for High-Speed Connectivity

The inclusion of four SFP+ uplink ports enhances network flexibility by providing high-speed connectivity options for aggregation, backbone, and data center connections. These uplinks support efficient traffic movement between network segments and help prevent congestion in environments with substantial data transfer requirements.

High-bandwidth uplinks are increasingly important as organizations expand their digital operations and rely on cloud services, centralized applications, and distributed workforce connectivity. The SFP+ interfaces support fiber connectivity that can extend network reach while maintaining exceptional performance characteristics.

Aggregation Layer Integration

Organizations can connect the switch to aggregation switches or core network infrastructure through high-speed uplinks that support efficient data transmission. This architecture helps maintain consistent performance throughout the network while supporting scalability objectives.

Data Center Connectivity

Many businesses maintain centralized servers, storage platforms, and virtualization environments that require substantial bandwidth. SFP+ uplinks facilitate efficient communication between access-layer infrastructure and critical data center resources.

Fiber Network Advantages

Fiber-based uplinks provide numerous benefits, including extended transmission distances, electromagnetic interference resistance, improved reliability, and enhanced bandwidth capabilities. These advantages contribute to dependable enterprise networking performance.

Comprehensive Network Management Features

Manageable switches provide administrators with extensive control over network operations. The Aruba platform includes sophisticated management capabilities that help organizations monitor performance, configure policies, troubleshoot issues, and optimize resource utilization.

Centralized visibility allows IT teams to gain detailed insights into network activity, device connectivity, traffic patterns, and operational status. This visibility contributes to proactive management and improved service delivery across the organization.

Configuration Flexibility

Network administrators can customize switch behavior according to organizational requirements. Configuration options support VLAN creation, routing policies, access controls, quality of service settings, security enforcement, and traffic prioritization strategies.

Performance Monitoring

Continuous monitoring capabilities provide valuable information regarding network health and utilization trends. Administrators can identify potential bottlenecks, evaluate bandwidth consumption, and implement optimization measures that enhance overall efficiency.

Simplified Administration

Advanced management tools reduce operational complexity by providing intuitive interfaces and centralized control mechanisms. These capabilities help streamline administrative tasks and support efficient network operations.

Enterprise Security and Access Control

Network security remains a top priority for organizations of all sizes. The Aruba switch platform incorporates security features that help protect infrastructure, connected devices, and sensitive organizational data from unauthorized access and potential threats.

Modern security strategies require multiple layers of protection, including authentication controls, traffic segmentation, policy enforcement, and continuous monitoring. The switch supports these objectives through comprehensive security capabilities that integrate seamlessly with broader cybersecurity initiatives.

Network Segmentation Support

Segmentation enables organizations to isolate users, devices, applications, and operational environments into distinct network zones. This approach reduces risk exposure and limits the potential impact of security incidents while supporting compliance requirements.

Access Policy Enforcement

Granular access controls help ensure that users and devices receive appropriate network permissions. Administrators can implement policies that align with organizational security objectives and operational requirements.

Protection of Critical Resources

By controlling traffic flows and enforcing security policies, the switch contributes to the protection of servers, databases, applications, and other mission-critical assets that support organizational operations.

Application Performance and Quality of Service

Business environments increasingly rely on applications that require predictable network performance. Voice communications, video conferencing, cloud services, enterprise resource planning systems, and real-time collaboration platforms all benefit from intelligent traffic prioritization mechanisms.

Quality of Service features allow administrators to assign priority levels to specific traffic categories. Critical applications receive appropriate network resources even during periods of elevated utilization, helping maintain service quality and user productivity.

Voice and Video Optimization

Unified communications platforms require low latency and minimal packet loss to deliver high-quality user experiences. Traffic prioritization helps maintain clear voice calls and smooth video conferencing sessions across the organization.

Cloud Application Support

As businesses continue adopting cloud-based services, network infrastructure must efficiently handle external application traffic. Intelligent traffic management contributes to responsive cloud experiences and consistent access to hosted resources.

Deployment Scenarios Across Industries

Corporate Office Environments

Large and medium-sized office environments require dependable connectivity for employees, communication systems, printers, wireless networks, and business applications. The switch supports these requirements through extensive port density, PoE functionality, and advanced management capabilities.

Educational Institutions

Schools, colleges, universities, and training centers often support large populations of students, faculty, and administrative personnel. The Aruba switch provides connectivity for classrooms, administrative offices, wireless networks, surveillance systems, and digital learning resources.

Healthcare Facilities

Hospitals, clinics, laboratories, and healthcare networks depend on reliable connectivity for patient management systems, medical devices, communication platforms, and security infrastructure. High-performance switching helps ensure operational continuity and efficient information access.

Retail Operations

Retail organizations require connectivity for point-of-sale systems, inventory management platforms, security cameras, wireless access points, and customer service applications. The switch supports these diverse operational requirements while maintaining performance and security.

Government and Public Sector Networks

Government agencies frequently operate complex infrastructures supporting administrative functions, citizen services, communication platforms, and secure information systems. The switch provides the scalability and management capabilities needed to support these environments effectively.

Scalability and Long-Term Investment Value

The HPE R9Y04-61021 Aruba 48 Ports L3 Class4 Gigabit Ethernet PoE 4SFP+ 740W Manageable Switch represents a strategic infrastructure investment for organizations seeking long-term network stability and growth potential. Its combination of Gigabit access connectivity, Layer 3 intelligence, extensive PoE resources, high-speed uplinks, advanced management features, and enterprise security capabilities enables businesses to build resilient network environments capable of supporting current operational requirements and future technological advancements.