DCS-7048T-A-R Arista 48 Ports 100/1000 RJ45 4x SFP+ Switch.

Arista DCS-7048T-A-R High-Performance Switch Overview

Enterprise-Grade Networking Solution

The Arista DCS-7048T-A-R is engineered for modern data center environments requiring reliable, high-speed switching performance. Designed to support demanding workloads, it delivers efficient connectivity across copper and fiber-based infrastructures.

Key Product Highlights

• Manufacturer: Arista Networks
• Model: DCS-7048T-A-R
• Device Type: Managed network switch
• Port Configuration: 48 x RJ45 + 4 x SFP+ uplinks
• Redundant power support with dual AC PSU architecture

Advanced Port and Interface Architecture

High-Density Connectivity Options

This switch is built with a dense port layout to maximize network efficiency while maintaining compact rack integration.

Port Breakdown

• 48 fixed Ethernet RJ45 ports for 10/100/1000 Mbps connections
• 4 dedicated SFP+ slots for high-speed uplink expansion
• Total interface capacity: 52 ports combined

Expansion Flexibility

The inclusion of SFP+ uplink slots allows seamless integration with fiber networks, enabling scalable performance upgrades without infrastructure redesign.

Performance and Networking Standards

Optimized for Gigabit and 10G Environments

Built to support both Gigabit Ethernet and 10 Gigabit Ethernet standards, this switch ensures smooth data transmission for enterprise workloads.

Supported Technologies

• 1000Base-T for copper-based Gigabit Ethernet
• 10GBase-X for high-speed optical uplinks
• Compatibility with twisted pair and optical fiber media

Traffic Efficiency

Designed for high-throughput environments, the switch minimizes latency while maintaining stable performance under heavy network loads.

Physical Design and Rack Integration

Compact Yet Powerful Form Factor

The device is engineered for standard rack mounting, ensuring efficient space utilization in data center racks.

Dimensions and Build

• Height: 1.75 inches (1U rack unit)
• Width: 19 inches standard rack compatibility
• Depth: 16 inches compact chassis design

Installation Benefits

Its slim profile allows for high-density deployment without compromising accessibility or airflow management.

Power and Reliability Features

Redundant AC Power Support

To ensure continuous uptime, the switch incorporates dual AC power supply options, enhancing operational reliability in mission-critical environments.

Power Configuration

• AC power input compatibility
• Redundant PSU support for failover protection
• Stable energy distribution for uninterrupted operation

Compliance and Industry Standards

Certified for Enterprise Deployment

The switch meets recognized regulatory standards to ensure safe and compliant usage in professional networking environments.

Certification Details

• FCC compliance for electromagnetic standards
• Enterprise-grade hardware validation

Arista DCS-7048T-A-R Network Switch

The Arista DCS-7048T-A-R is a high-performance data center switch engineered to deliver reliable Layer 2 and Layer 3 networking capabilities for enterprise environments, cloud infrastructures, virtualization deployments, and large-scale business networks. Featuring 48 x 10/100/1000 RJ45 Ethernet ports alongside 4 x SFP+ uplink interfaces and dual AC power supplies, this switch is designed for organizations that require dependable switching performance, scalable architecture, low latency, and advanced network automation support. Businesses seeking a resilient switching platform for server aggregation, campus edge deployments, or data center access layers benefit from the flexibility and efficiency offered by the Arista 7048T platform.

Built around Arista’s Extensible Operating System technology, the DCS-7048T-A-R provides exceptional programmability and operational consistency across modern network infrastructures. Organizations increasingly demand network hardware capable of supporting virtualization, software-defined networking strategies, traffic visibility, and scalable bandwidth growth. This switch addresses those needs with enterprise-grade forwarding performance, comprehensive management features, and redundant hardware architecture that helps maintain uptime in mission-critical environments.

48 Gigabit Ethernet Ports for High-Density Connectivity

One of the defining characteristics of the Arista DCS-7048T-A-R is its 48 RJ45 Ethernet interfaces supporting 10/100/1000 Mbps connectivity. These ports allow enterprises to connect servers, storage systems, workstations, wireless access points, security appliances, and other network infrastructure components through standard copper Ethernet cabling. The high-density configuration enables network administrators to consolidate multiple devices into a single switching platform while maintaining strong performance and efficient traffic handling.

Optimized for Data Center and Enterprise Deployments

Modern organizations require scalable access switching solutions capable of handling increasing amounts of east-west traffic, virtualization workloads, and distributed application communications. The DCS-7048T-A-R addresses these requirements through a highly optimized switching fabric designed for predictable low-latency performance. Enterprises operating virtual machine clusters, cloud-hosted applications, or converged infrastructures benefit from the switch’s ability to process large traffic volumes efficiently across all active ports.

The 48-port architecture is particularly useful in environments where copper connectivity remains essential. Many organizations continue utilizing RJ45-based network infrastructures because of their cost-effectiveness, broad compatibility, and ease of deployment. The Arista DCS-7048T-A-R enables businesses to maintain copper-based infrastructures while gaining access to advanced enterprise switching capabilities and future-ready network management functionality.

Support for Legacy and Modern Ethernet Devices

Compatibility with 10 Mbps, 100 Mbps, and 1000 Mbps Ethernet speeds ensures that the switch can support both legacy equipment and modern gigabit-capable devices simultaneously. This flexibility simplifies migration projects and reduces the need for immediate infrastructure overhauls. Organizations can gradually modernize their network environments while maintaining compatibility with older systems, industrial devices, or specialized hardware that may still rely on lower-speed Ethernet standards.

4 x SFP+ Uplink Ports for High-Speed Network Expansion

The inclusion of four dedicated SFP+ uplink ports provides critical high-bandwidth connectivity for aggregation, core switching, or inter-switch communication. These 10 Gigabit uplinks help eliminate bottlenecks that can occur when multiple access devices communicate through slower uplink interfaces. Enterprises handling large file transfers, virtualization traffic, backup operations, or storage networking workloads benefit substantially from the additional bandwidth offered by the SFP+ interfaces.

Flexible Fiber and Direct Attach Connectivity

The SFP+ interfaces support a wide range of compatible transceivers and direct attach cables, giving network engineers flexibility when designing physical network layouts. Fiber optic connections enable long-distance communication between racks, buildings, or data center zones while maintaining high throughput and low signal degradation. Direct attach copper cables provide cost-effective short-range connectivity for top-of-rack deployments and adjacent switching equipment.

This flexibility makes the Arista DCS-7048T-A-R suitable for organizations deploying hybrid networking environments that incorporate both copper and fiber technologies. Businesses can tailor their infrastructure according to distance requirements, performance goals, and budget considerations while maintaining operational consistency across the network.

Enhanced Scalability for Growing Businesses

As organizations expand, network traffic demands increase significantly. The 10GbE uplinks allow the switch to scale efficiently without forcing businesses to replace their existing access-layer hardware prematurely. Companies can aggregate multiple gigabit connections into high-speed uplink channels that support growing workloads, cloud applications, unified communications, and data-intensive services.

Advanced Switching Architecture and Low Latency Performance

The Arista DCS-7048T-A-R is engineered to deliver low-latency packet forwarding essential for performance-sensitive applications. Financial institutions, cloud providers, media organizations, and enterprise IT environments often require minimal network delays to maintain application responsiveness and operational efficiency. The switch’s hardware architecture is optimized to reduce forwarding delays while supporting high throughput across all interfaces.

Efficient Traffic Management

Traffic prioritization and quality of service mechanisms help ensure that critical applications receive the bandwidth and latency characteristics they require. Voice communications, video conferencing, business-critical applications, and storage traffic can be prioritized to improve user experience and operational consistency. This level of traffic control becomes increasingly important in converged network environments where multiple application types share the same physical infrastructure.

Wire-Speed Switching Capabilities

Wire-speed forwarding enables the switch to process traffic at full line rate without introducing significant congestion or performance degradation. This capability is particularly valuable in environments with heavy traffic loads, including virtualization clusters, backup systems, large-scale file transfers, and enterprise application platforms. Reliable packet forwarding contributes to network stability and helps minimize application slowdowns during peak utilization periods.

Dual AC Power Supplies for Redundant Power Protection

Reliability is a fundamental requirement in enterprise networking, and the Arista DCS-7048T-A-R addresses this need with dual AC power supply support. Redundant power architecture helps protect against unexpected power supply failures that could otherwise disrupt network operations and business continuity. Organizations running mission-critical services benefit from increased availability and reduced downtime risks.

Hot-Swappable Power Redundancy

Dual power supplies allow administrators to replace faulty power modules without shutting down the switch or interrupting network connectivity. This hot-swappable capability improves serviceability and reduces maintenance-related disruptions. Businesses operating around-the-clock services, e-commerce platforms, financial systems, healthcare applications, or cloud-hosted environments require this level of operational resilience.

Power Efficiency and Operational Stability

Modern enterprise switches must balance performance with energy efficiency. The DCS-7048T-A-R incorporates efficient power management technologies that help reduce unnecessary energy consumption while maintaining high switching performance. Efficient thermal management and optimized airflow contribute to stable operation in high-density rack deployments and data center environments.

Arista EOS Software Advantages

A major advantage of the Arista DCS-7048T-A-R platform is its integration with Arista EOS, a highly programmable and modular network operating system. EOS is designed around a state-sharing architecture that separates processing functions into independent modules, improving fault isolation, resilience, and operational consistency.

Programmability and Automation Support

Modern IT teams increasingly rely on automation to simplify network administration, accelerate deployment processes, and reduce manual configuration errors. EOS provides extensive automation capabilities through APIs, scripting support, and integration with orchestration frameworks. This functionality enables organizations to implement infrastructure-as-code methodologies and streamline operational workflows.

Automation support is particularly beneficial in cloud environments and large enterprise infrastructures where configuration consistency and rapid scalability are essential. Network engineers can deploy standardized configurations, automate policy enforcement, and simplify network monitoring using programmable interfaces available through the Arista ecosystem.

High Availability Through Stateful Architecture

EOS uses a unique state-sharing database that allows processes to restart independently without affecting overall switch operations. This architectural approach enhances network availability by minimizing disruptions caused by software updates or process failures. Businesses requiring continuous uptime benefit from improved resilience and simplified maintenance procedures.

Comprehensive Visibility and Monitoring

Network visibility is critical for troubleshooting, optimization, and security monitoring. The Arista platform supports advanced telemetry, traffic analysis, and monitoring tools that help administrators gain insights into network performance and application behavior. Detailed visibility helps organizations identify bottlenecks, detect anomalies, and improve operational efficiency across complex infrastructures.

Ideal Applications for the Arista DCS-7048T-A-R

Data Center Access Layer Switching

The DCS-7048T-A-R is frequently deployed as a top-of-rack or end-of-row switch within enterprise and colocation data centers. Its combination of dense gigabit access ports and 10GbE uplinks makes it highly effective for connecting servers and aggregating traffic toward core network infrastructure. Organizations operating virtualized environments benefit from the switch’s low latency and high throughput characteristics.

Enterprise Campus Networking

Large organizations with campus environments often require reliable access-layer switches capable of supporting office users, VoIP phones, wireless access points, and departmental servers. The switch’s high port density and enterprise-grade features make it suitable for deployment in wiring closets, branch offices, and distribution layers within campus networks.

Cloud and Virtualization Environments

Virtualized infrastructures generate substantial east-west traffic between servers, storage arrays, and hypervisors. The Arista DCS-7048T-A-R is engineered to support these demanding traffic patterns efficiently. Its high-performance switching architecture and scalable uplink capacity help maintain smooth communication between virtual machines and distributed application components.

Storage Networking and Backup Infrastructure

Enterprises managing large-scale storage systems, backup environments, or disaster recovery infrastructures require reliable and consistent network performance. The switch’s wire-speed forwarding capabilities and high-bandwidth uplinks help support backup traffic, replication processes, and storage communications without introducing unnecessary bottlenecks.

Layer 2 and Layer 3 Networking Features

The Arista DCS-7048T-A-R includes advanced Layer 2 and Layer 3 networking functionality that enables flexible network segmentation, routing, and traffic management. These features support modern enterprise architectures while providing scalability for evolving network requirements.

VLAN Support and Network Segmentation

Virtual LAN support allows organizations to segment network traffic for security, performance optimization, and administrative control. Departments, application environments, guest networks, and server groups can be isolated logically while sharing the same physical infrastructure. VLAN segmentation improves security posture and simplifies network organization.

Static and Dynamic Routing Capabilities

Layer 3 routing support enables the switch to participate in complex enterprise routing environments. Businesses can implement static routing configurations or dynamic routing protocols to optimize traffic paths and improve redundancy. Routing functionality enhances scalability and allows the switch to operate efficiently within distributed enterprise infrastructures.

Link Aggregation and Redundancy

Link aggregation technologies allow multiple physical interfaces to operate as a single logical connection, increasing bandwidth and improving redundancy. This capability is especially useful for uplink connections between switches, servers, and storage systems. Aggregated links enhance performance while helping maintain connectivity during individual link failures.

Network Security and Traffic Protection

Security remains a critical concern for modern organizations, and enterprise switching infrastructure plays a significant role in protecting business networks. The Arista DCS-7048T-A-R supports various security mechanisms designed to improve network integrity, restrict unauthorized access, and enhance operational visibility.

Access Control and Policy Enforcement

Access control lists enable administrators to define granular traffic policies that regulate communication between devices and network segments. These controls help prevent unauthorized access, restrict malicious traffic, and enforce compliance requirements across enterprise infrastructures.

Secure Management Interfaces

Secure management protocols protect administrative communications and reduce the risk of unauthorized configuration changes. Encryption and authentication features help ensure that only authorized personnel can access switch management functions. Secure management practices are essential for maintaining infrastructure integrity and protecting sensitive business operations.

Monitoring and Threat Detection

Advanced monitoring capabilities support proactive threat detection and operational troubleshooting. Administrators can analyze traffic patterns, identify unusual behavior, and respond quickly to performance anomalies or potential security incidents. Visibility into network activity helps strengthen organizational cybersecurity strategies.

Rackmount Design and Data Center Integration

The Arista DCS-7048T-A-R features a rackmount form factor optimized for enterprise cabinets and data center racks. Its compact design allows efficient deployment within high-density environments where space utilization and cable organization are important operational considerations.

Efficient Airflow Architecture

Proper cooling is essential for maintaining long-term switch reliability and performance. The switch incorporates airflow management features that support stable operation in modern data center environments. Efficient thermal handling helps prevent overheating and contributes to consistent network performance during sustained workloads.

Cable Management Benefits

High-density port configurations can create cable management challenges, particularly in large deployments. The structured port layout of the DCS-7048T-A-R helps simplify cable organization and improve accessibility during installation and maintenance. Organized cabling improves airflow efficiency and reduces troubleshooting complexity.

Benefits of Choosing the Arista DCS-7048T-A-R

Scalable Infrastructure Investment

Organizations investing in enterprise networking infrastructure require hardware that can support future growth and evolving operational requirements. The DCS-7048T-A-R offers scalability through high-density connectivity, 10GbE uplinks, and advanced software capabilities that align with modern network transformation initiatives.

Reduced Operational Complexity

Arista EOS simplifies network management through consistent interfaces, automation support, and centralized visibility. Reduced operational complexity allows IT teams to focus on strategic initiatives rather than repetitive manual tasks. Simplified administration contributes to improved efficiency and faster issue resolution.

High Reliability for Business Continuity

Enterprise networks support critical applications that directly impact business operations, customer experiences, and revenue generation. The redundant power architecture, resilient operating system design, and enterprise-grade hardware construction of the DCS-7048T-A-R help minimize downtime risks and improve overall network stability.

Flexible Deployment Options

The switch is suitable for various deployment scenarios, including top-of-rack switching, campus access layers, aggregation points, virtualization clusters, and enterprise branch environments. Its flexibility makes it a valuable addition to diverse network infrastructures with varying performance and connectivity requirements.

Compatibility with Modern IT Infrastructure

Virtualization Platform Integration

Businesses utilizing virtualization technologies such as VMware, Hyper-V, or KVM require network infrastructure capable of supporting dynamic workloads and virtual machine mobility. The Arista DCS-7048T-A-R integrates effectively within virtualized environments by delivering low latency, scalable throughput, and programmable network capabilities.

Cloud-Oriented Networking

Hybrid cloud and private cloud architectures depend on reliable and scalable network connectivity. The switch’s advanced software architecture and high-performance hardware make it suitable for organizations implementing cloud-driven IT strategies. Reliable switching infrastructure supports workload mobility, application scalability, and distributed service delivery.

Integration with Automation Frameworks

Enterprises increasingly adopt automation platforms such as Ansible, Puppet, and Python-based orchestration tools to streamline infrastructure management. EOS compatibility with modern automation frameworks enables organizations to automate deployment processes, monitor configurations, and maintain operational consistency across large-scale environments.

Long-Term Value for Enterprise Networking

Durable Enterprise Hardware Design

Enterprise networking equipment must operate continuously under demanding conditions. The Arista DCS-7048T-A-R is engineered with enterprise-grade components designed for long-term reliability and operational durability. Businesses benefit from reduced failure rates, consistent performance, and dependable uptime.

Support for Infrastructure Modernization

Organizations transitioning toward modern data center architectures require networking platforms that can evolve alongside changing technology demands. The switch’s programmability, scalable connectivity, and advanced software capabilities make it suitable for modernization initiatives involving automation, virtualization, and cloud integration.

Operational Efficiency Improvements

Efficient network operations reduce administrative overhead and improve infrastructure manageability. Features such as automation support, centralized monitoring, modular software architecture, and simplified maintenance processes help organizations streamline daily operations while improving service reliability.

Enhanced Visibility Across Distributed Networks

Distributed enterprise environments require consistent visibility across multiple locations and infrastructure layers. The Arista platform provides monitoring capabilities that help administrators track performance metrics, analyze traffic flows, and identify operational anomalies before they impact users or applications.

Reliable Connectivity for Business-Critical Systems

Organizations depend on stable network connectivity to support collaboration tools, enterprise applications, cloud services, and customer-facing platforms. The DCS-7048T-A-R delivers dependable switching performance that supports continuous operations and minimizes interruptions to essential business functions.

Scalable Port Density for Expanding Networks

As network requirements grow, organizations often need additional connectivity without increasing hardware complexity unnecessarily. The 48-port configuration offers substantial connectivity capacity within a single platform, reducing rack space consumption while supporting infrastructure expansion. This scalability is particularly valuable in environments where efficiency, density, and simplified management are critical priorities.

Future-Ready Networking Capabilities

The evolving nature of enterprise IT requires networking infrastructure capable of adapting to emerging technologies and changing operational models. The Arista DCS-7048T-A-R combines high-density gigabit connectivity, 10GbE expansion, advanced software architecture, and enterprise resilience features to support both current requirements and future growth initiatives across modern business networks.