DCS-7050SX-72Q-R Arista 10GbE SFP+ 6x Ports 40GbE QSFP+ Airflow 48 Ports Layer 3 Switch

Product Overview of Arista DCS-7050SX-72Q-R Layer 3 Switch

The Arista DCS-7050SX-72Q-R represents a pinnacle of high-density, low-latency switching within the renowned Arista 7050X series. Designed for modern data centers, cloud networks, and high-frequency trading environments, this 1U rack-mountable Layer 3 switch integrates 48 ports of 10 Gigabit Ethernet SFP+ alongside 6 ports of 40 Gigabit Ethernet QSFP+.

General Information

• Manufacturer: Arista
• Model Number: DCS-7050SX-72Q-R
• Device Type: 48-Ports Layer 3 Switch

Technical Highlights

• Modular Design: Supported
• Supported Media: Optical Fiber
• Ethernet Standards: 40 Gigabit Ethernet, 10 Gigabit Ethernet
• Network Protocols: 40GBase-X, 10GBase-X
• Total Expansion Slots: 54
• Slot Types: QSFP+, SFP+
• SFP+ Ports: 48

Network & Communication

• Supported Layer: Layer 3

Management & Protocols

• Manageability: Fully manageable

Power Description

• Power Source: Standard power supply
• Redundant Power: Supported

Key Advantages

• High-density port configuration for enterprise networking
• Flexible modular design with multiple expansion options
• Advanced Layer 3 routing capabilities for complex infrastructures
• Reliable fiber-based connectivity ensuring high-speed data transfer
• Redundant power support for uninterrupted operations

Ideal Use Cases

• Large-scale data centers requiring robust switching
• Enterprise environments with heavy traffic loads
• Organizations needing scalable and modular networking solutions

Arista DCS-7050SX-72Q-R 7050X Series Data Center Switch

The Arista DCS-7050SX-72Q-R switch belongs to the high-performance 7050X Series of enterprise and cloud networking platforms engineered for modern data center infrastructure, virtualization environments, enterprise aggregation, and ultra-low-latency Layer 2 and Layer 3 networking deployments. Designed with a compact 1U rack-mountable form factor, this switch integrates advanced Ethernet switching technology, dense 10GbE SFP+ connectivity, and high-bandwidth 40GbE QSFP+ uplink capabilities to support demanding workloads across enterprise core, spine-leaf, and high-density virtualization infrastructures.

The hardware platform incorporates forty-eight 10 Gigabit Ethernet SFP+ ports combined with six dedicated 40 Gigabit Ethernet QSFP+ interfaces, enabling scalable east-west traffic management and high-speed data center interconnectivity. The airflow-optimized architecture enhances thermal efficiency while maintaining reliable operation in densely populated racks and mission-critical environments.

Enterprise-Class Switching Platform

The 7050X platform is purpose-built for low-latency Ethernet switching applications where deterministic performance, packet forwarding consistency, and high throughput are essential. Its switching architecture delivers wire-speed Layer 2 and Layer 3 packet processing across all interfaces without compromising latency-sensitive workloads.

By integrating advanced forwarding silicon and deep buffering capabilities, the switch supports high-density virtualization clusters, storage traffic, cloud-scale compute nodes, and converged enterprise applications. The architecture is optimized for spine-leaf deployments that require scalable horizontal expansion and efficient traffic distribution.

High-Density 10GbE Connectivity

The forty-eight SFP+ interfaces provide flexible 10 Gigabit Ethernet connectivity for servers, storage arrays, hyperconverged infrastructure appliances, and enterprise distribution layers. These interfaces support a broad range of optical transceivers and direct-attach cabling solutions, enabling deployment flexibility across short-range, long-range, and copper-based networking environments.

Dense 10GbE switching is particularly valuable for virtualization clusters where multiple hypervisors require dedicated high-speed uplinks to support virtual machine migration, distributed storage traffic, and application synchronization across compute nodes.

SFP+ Interface Scalability

The SFP+ architecture allows administrators to customize connectivity according to network topology requirements. Optical modules can be selected based on transmission distance, fiber type, bandwidth requirements, and deployment environment.

Support for fiber and direct-attach copper cabling provides operational flexibility for top-of-rack deployments, aggregation layers, and inter-switch connections. The modular SFP+ ecosystem also simplifies upgrades and infrastructure expansion without requiring complete hardware replacement.

Integrated 40GbE QSFP+ Uplink Capability

The six integrated QSFP+ ports provide high-bandwidth uplink and aggregation functionality suitable for spine connectivity, inter-switch trunking, and large-scale data center fabric deployments. These interfaces support 40 Gigabit Ethernet connectivity for high-throughput applications that require scalable bandwidth aggregation.

QSFP+ uplinks reduce network bottlenecks by consolidating large volumes of traffic from multiple 10GbE endpoints into high-capacity backbone connections. This architecture improves efficiency in data-intensive environments such as virtualization clusters, cloud computing infrastructures, and enterprise storage networks.

Spine-and-Leaf Fabric Optimization

The switch is highly optimized for spine-and-leaf architectures where predictable latency, scalable bandwidth, and simplified east-west traffic patterns are essential. The QSFP+ interfaces facilitate high-speed uplinks to spine switches while the SFP+ ports connect leaf-layer compute resources.

This topology enhances application performance, minimizes oversubscription, and improves traffic distribution across distributed workloads and virtualized applications.

Layer 3 Routing and Advanced Network Services

The Arista DCS-7050SX-72Q-R integrates comprehensive Layer 3 routing functionality to support enterprise routing domains, multi-subnet segmentation, and scalable IP-based infrastructures. Advanced routing protocols and hardware-assisted forwarding improve traffic efficiency while reducing network complexity.

Dynamic Routing Protocol Support

The switch supports advanced dynamic routing protocols designed for scalable enterprise and cloud networking environments. These routing technologies enable intelligent path selection, automatic route propagation, and resilient network convergence across distributed infrastructures.

Layer 3 capabilities improve scalability by allowing routing closer to endpoints, reducing unnecessary broadcast traffic, and improving segmentation efficiency across large environments.

Scalable IP Routing

High-performance IP routing capabilities allow the switch to support large routing tables and extensive route processing workloads. Hardware acceleration improves forwarding efficiency while maintaining low latency for mission-critical applications.

Efficient Layer 3 functionality is particularly important in modern data centers where virtualized workloads, multi-tenant infrastructures, and segmented application environments require intelligent traffic isolation and optimized packet forwarding.

Virtual LAN and Segmentation Capabilities

The switch supports extensive VLAN segmentation functionality for traffic isolation, security policy enforcement, and network organization. VLAN deployment improves operational flexibility by separating departments, applications, services, and virtualized workloads into independent logical networks.

Advanced segmentation enables enterprises to isolate sensitive traffic, reduce broadcast domains, and optimize network performance while maintaining centralized infrastructure management.

Multi-Tenant Infrastructure Support

Data centers and cloud environments often require isolated networking domains for different customers, applications, or business units. The DCS-7050SX-72Q-R provides scalable segmentation features that support multi-tenant network architectures with improved security and operational efficiency.

These capabilities are essential in colocation facilities, managed hosting environments, and private cloud infrastructures where traffic isolation and tenant separation are critical operational requirements.

Low-Latency Switching Performance

The 7050X platform is engineered to deliver ultra-low-latency packet forwarding performance suitable for demanding enterprise applications, financial services environments, and latency-sensitive cloud workloads. Hardware-optimized forwarding minimizes transmission delays while preserving throughput consistency.

Deterministic Processing

Deterministic packet forwarding ensures predictable network behavior across high-volume traffic conditions. This consistency is essential for real-time applications, distributed databases, high-frequency transaction systems, and storage networking environments.

The switch architecture minimizes jitter and forwarding delays to support applications that require precise communication timing and stable traffic delivery characteristics.

Optimized Buffer Management

Integrated packet buffering capabilities improve congestion handling and traffic absorption during burst-heavy workloads. Deep buffer architecture minimizes packet drops while maintaining throughput stability during peak utilization periods.

Effective buffer management is critical for virtualization clusters, backup operations, and storage replication workloads where temporary traffic bursts can otherwise create congestion and application degradation.

Wire-Speed Forwarding Efficiency

All interfaces operate with wire-speed forwarding performance, ensuring that traffic is processed at full line rate without introducing unnecessary bottlenecks. This capability is particularly important in high-density deployments where multiple servers simultaneously generate large traffic volumes.

Wire-speed architecture improves scalability and ensures predictable performance during periods of elevated network demand.

Data Center Deployment Flexibility

The Arista DCS-7050SX-72Q-R is optimized for deployment in enterprise data centers, cloud computing facilities, colocation environments, and high-density virtualization infrastructures. The compact 1U design maximizes rack efficiency while delivering substantial port density and switching capacity.

Top-of-Rack Deployment Optimization

The switch is frequently deployed as a top-of-rack networking platform where dense 10GbE connectivity is required for server access and high-speed uplinks connect aggregation or spine layers.

Top-of-rack deployment reduces cable complexity, shortens network paths, and improves overall infrastructure organization. The dense interface configuration allows a single switch to support large server clusters within a compact footprint.

Rack Space Efficiency

The 1U rack-mountable chassis conserves valuable data center rack space while maintaining enterprise-class switching performance. High-density port configurations reduce the number of switches required to support large environments, improving operational efficiency and simplifying infrastructure management.

Efficient rack utilization is especially valuable in colocation facilities and enterprise data centers where space optimization directly impacts operational costs and scalability planning.

Airflow-Optimized Cooling Design

The airflow-oriented chassis design enhances thermal management efficiency by supporting optimized front-to-rear or rear-to-front airflow configurations depending on deployment requirements. Efficient cooling improves reliability and supports stable operation in densely populated rack environments.

Thermal optimization contributes to reduced cooling overhead and improved long-term hardware durability, especially in high-temperature data center environments with elevated equipment density.

Security and Traffic Control Features

The switch incorporates enterprise-grade security and traffic management capabilities designed to protect infrastructure resources, enforce access policies, and optimize network performance across distributed enterprise environments.

Access Control and Traffic Filtering

Access control mechanisms allow administrators to define granular traffic policies and security rules that regulate communication between devices, applications, and network segments.

Traffic filtering capabilities improve security posture by preventing unauthorized communication and limiting exposure to network-based threats.

Policy Enforcement Capabilities

Granular policy enforcement enables organizations to prioritize critical applications, isolate sensitive workloads, and manage bandwidth utilization more effectively. Hardware-assisted filtering improves performance while maintaining low latency.

Policy-based traffic management contributes to improved application reliability and enhanced infrastructure security.

Bandwidth Allocation Efficiency

Intelligent bandwidth management improves resource utilization by dynamically allocating available capacity according to operational priorities and application demands. This functionality enhances user experience and preserves service quality across mixed workload environments.

Storage and Virtualization Networking Support

The Arista DCS-7050SX-72Q-R is highly suitable for virtualization clusters, software-defined storage platforms, and converged infrastructure environments that require high-throughput, low-latency Ethernet connectivity.

Virtualized Infrastructure Integration

Virtualized data centers generate substantial east-west traffic as virtual machines communicate across hypervisors and distributed applications. The switch architecture is optimized to handle these traffic patterns efficiently while maintaining predictable performance.

High-density 10GbE connectivity improves virtualization scalability and supports large hypervisor clusters with demanding workload requirements.

VM Mobility and Traffic Distribution

Virtual machine migration technologies rely on high-bandwidth, low-latency connectivity to move workloads between physical hosts without disrupting application availability. The switch provides the throughput and forwarding consistency necessary to support seamless VM mobility operations.

Efficient traffic distribution improves virtualization performance while minimizing congestion within clustered compute environments.

Storage Networking Efficiency

Modern storage infrastructures increasingly rely on Ethernet-based connectivity for distributed storage, backup operations, and replication traffic. The DCS-7050SX-72Q-R supports these workloads through scalable bandwidth and reliable packet forwarding.

High-throughput Ethernet switching improves storage access efficiency while supporting demanding backup and replication workflows.

Converged Data Center Traffic

The switch supports converged traffic environments where storage, application, and management traffic coexist on shared Ethernet infrastructure. Advanced QoS and traffic isolation capabilities help maintain performance consistency across mixed workloads.

Converged networking reduces infrastructure complexity while improving scalability and operational efficiency within enterprise data centers.

Power Efficiency

The hardware platform is engineered for energy-efficient operation and long-term reliability in continuously operating enterprise environments. Efficient power utilization contributes to lower operational costs and improved sustainability within large-scale deployments.

Redundant Power Architecture

The switch supports redundant power supply configurations that improve availability and fault tolerance in mission-critical networking infrastructures. Redundancy minimizes service interruptions caused by hardware failures or power-related disruptions.

High-availability power architecture is essential for enterprise environments where continuous connectivity is critical to operational continuity.

Enterprise Core and Aggregation Networking

The switch can also function effectively within enterprise aggregation and distribution layers where high-density connectivity and Layer 3 routing performance are required. Its scalable architecture supports campus integration, departmental segmentation, and large-scale enterprise traffic distribution.

High-performance aggregation improves network efficiency while enabling centralized management of distributed enterprise connectivity.

High-Bandwidth Enterprise Workloads

Modern enterprise applications increasingly depend on high-speed connectivity for database synchronization, application delivery, collaboration platforms, and storage access. The DCS-7050SX-72Q-R provides the throughput and scalability necessary to support these bandwidth-intensive operational requirements.

Its enterprise-focused switching architecture ensures reliable connectivity for mission-critical workloads while supporting future network expansion initiatives.