DCS-7050S-64-F Arista 48 Ports 10GBE SFP+ Switch.

High-Performance Data Center Switch Overview

Arista DCS-7050S-64-F Enterprise Networking Solution

The Arista DCS-7050S-64-F is a high-density, rack-mountable network switch engineered for modern data center environments, delivering reliable performance, scalable connectivity, and efficient traffic management. Designed for enterprise-grade operations, it supports advanced switching capabilities with optimized hardware architecture.

Core Product Identification

• Manufacturer: Arista Networks
• Model / Part Number: DCS-7050S-64-F
• Device Category: Managed Ethernet Switch
• Product Segment: High-speed networking hardware

Advanced Port Configuration & Connectivity

High-Density Interface Design

This switching unit is equipped with multiple high-speed ports designed to handle intensive network workloads and enterprise-level traffic distribution.

Port and Interface Details

• 48 x 10GbE SFP+ ports for high-speed fiber connectivity
• 4 x QSFP+ uplink ports for aggregation and backbone expansion
• 2 x AC power supply units for redundancy and stability
• RJ-45 Ethernet interface support for flexible integration
• SFP-based switch connector architecture for modular deployment

Performance & Switching Capabilities

Optimized Network Processing

Built for high throughput environments, this switch ensures smooth data transmission, low latency operation, and efficient packet handling across large-scale infrastructures.

Key Technical Highlights

• MAC Address Table Capacity: 1K entries for device mapping
• Network Type: Fibre Channel compatible architecture
• Network Connectivity: Ethernet (RJ-45) support
• Management Type: Fully managed system for advanced configuration

Hardware Design & Physical Characteristics

Rack-Mountable Enterprise Form Factor

Engineered for professional data center racks, the device provides efficient airflow management and compact installation capabilities suitable for enterprise deployments.

Structural Features

• Rack-mountable chassis for structured installation
• Front-to-back airflow (AFO) cooling design for thermal efficiency
• Durable industrial-grade hardware construction

Power System & Operational Stability

Dual Power Supply Architecture

To ensure uninterrupted operation and enhanced reliability, the switch integrates dual AC power supply support for redundancy and continuous uptime.

Power Specifications

• AC/DC compatible power switching system
• Dual PSU configuration for failover protection
• Stable voltage regulation for continuous performance

Enterprise Use Cases & Deployment Scenarios

Scalable Networking Applications

This switch is designed to support complex enterprise networking environments, offering flexibility for cloud infrastructure, data centers, and high-performance computing clusters.

Typical Deployment Environments

• Enterprise data centers requiring high-speed switching
• Cloud computing and virtualization platforms
• High-performance server interconnect networks
• Storage and Fibre Channel network integration

Arista DCS-7050S-64-F 48 Ports 10GbE SFP+ Switch

The Arista DCS-7050S-64-F is a high-performance data center switch engineered for modern cloud-scale environments, enterprise core deployments, and high-density aggregation layers. As part of the Arista 7050X series, this switch category is designed to deliver ultra-low latency, high throughput, and flexible port configurations that support evolving network architectures. Built with a focus on software-driven networking and programmable automation, it provides a robust foundation for leaf-spine designs and high-speed fabric deployments. The combination of 48 x 10GbE SFP+ ports and 4 x 40GbE QSFP+ uplinks, along with dual AC power supply redundancy, positions this switch as a reliable and scalable networking solution for mission-critical workloads.

Data Center Switching Architecture and Design Philosophy

The Arista 7050S series is designed with a purpose-built architecture that prioritizes deterministic performance, low latency forwarding, and non-blocking switching capabilities. In modern data centers where virtualization, containerization, and distributed workloads dominate, the need for consistent packet delivery becomes critical. The DCS-7050S-64-F addresses these requirements with a high-performance ASIC-based architecture that minimizes jitter and ensures predictable latency under heavy traffic loads.

Unlike traditional enterprise switches, this category is optimized for leaf-spine topology deployments. The design reduces oversubscription ratios and enables efficient east-west traffic flow, which is essential for cloud data centers, storage replication, and distributed applications. The hardware is tightly integrated with Arista’s Extensible Operating System (EOS), which separates control and data planes for enhanced stability and programmability.

Port Configuration and Connectivity Options

48 x 10GbE SFP+ Downlink Ports

The switch provides 48 high-density 10 Gigabit Ethernet SFP+ ports, enabling flexible connectivity for servers, storage systems, and high-performance computing nodes. These ports support both fiber and direct attach copper (DAC) cables, allowing network architects to tailor deployments based on distance, cost, and performance requirements. This flexibility is particularly valuable in dense rack environments where efficient cabling and airflow management are critical.

High-Density Server Connectivity

The 10GbE SFP+ ports are optimized for server-to-switch connectivity in virtualization-heavy environments. Whether deployed in VMware, KVM, or containerized infrastructures, these ports ensure high throughput and low latency communication between compute nodes and storage systems. This makes the switch suitable for private cloud environments and enterprise virtualization clusters.

4 x 40GbE QSFP+ Uplink Ports

The inclusion of 4 QSFP+ uplink ports allows high-bandwidth aggregation toward spine switches or core network layers. These 40GbE interfaces can be used for inter-switch connectivity, enabling non-blocking fabric architectures. Each QSFP+ port can also support breakout configurations, allowing conversion into multiple 10GbE links depending on network design requirements.

Flexible Breakout Capabilities

Breakout functionality enhances the adaptability of the switch in evolving network environments. Administrators can partition a single 40GbE port into multiple 10GbE channels, increasing port utilization efficiency and enabling granular traffic distribution across the network fabric.

Port-Level Performance Optimization

Each port on the DCS-7050S-64-F is engineered for low-latency packet forwarding and consistent throughput under sustained workloads. Advanced buffering mechanisms help prevent packet loss during traffic bursts, while intelligent scheduling ensures fair bandwidth allocation across active connections.

Performance and Switching Capacity

Performance is a core differentiator of the Arista 7050S platform. Designed for high-frequency trading environments, cloud-scale applications, and latency-sensitive workloads, this switch delivers wire-speed performance across all ports simultaneously. The internal switching fabric is optimized to handle large-scale east-west traffic patterns without degradation in performance.

Low-Latency Packet Forwarding

One of the defining characteristics of this switch category is its ultra-low latency forwarding capability. This ensures that packets traverse the switching fabric with minimal delay, which is crucial for applications such as financial trading systems, real-time analytics, and distributed databases.

Non-Blocking Architecture

The non-blocking architecture ensures that all ports can operate at full capacity simultaneously without congestion-induced performance bottlenecks. This design is essential for environments with unpredictable traffic spikes and high data throughput requirements.

High Throughput for Data-Intensive Workloads

The switch is capable of supporting multi-terabit switching capacity depending on configuration and deployment mode. This makes it suitable for large-scale cloud data centers where bandwidth demand continues to grow due to AI workloads, big data processing, and microservices communication.

Network Operating System and Software Intelligence (Arista EOS)

The DCS-7050S-64-F runs on Arista Extensible Operating System (EOS), a Linux-based network operating system known for its modular architecture and high availability. EOS separates process control functions into independent modules, ensuring that system failures in one process do not affect the entire system.

Modular Architecture Benefits

Each function within EOS operates as an independent process. This design improves fault isolation, system resilience, and upgrade flexibility. Network administrators can perform updates and configuration changes without disrupting network operations.

Programmability and Automation

EOS supports advanced automation frameworks such as Python scripting, APIs, and integration with DevOps tools. This enables network engineers to automate provisioning, monitoring, and troubleshooting tasks, significantly reducing operational overhead in large environments.

Integration with Cloud Automation Tools

The switch integrates seamlessly with orchestration platforms such as Ansible, Puppet, and Chef. This allows for infrastructure-as-code implementations where network configurations can be version-controlled and deployed automatically across multiple devices.

Redundancy and Power Supply Design

The Arista DCS-7050S-64-F features dual AC power supplies, ensuring continuous operation even in the event of a power module failure. Redundant power architecture is essential in data center environments where downtime can lead to significant financial and operational losses.

Hot-Swappable Power Supplies

Both AC power units are hot-swappable, allowing replacement without shutting down the switch. This design ensures maximum uptime and simplifies maintenance procedures in production environments.

Efficient Power Consumption

Despite its high performance, the switch is engineered for energy efficiency. Intelligent power management dynamically adjusts power usage based on port activity, reducing operational costs in large-scale deployments.

Cooling and Thermal Management

Efficient thermal design ensures that the switch maintains optimal operating temperatures even under heavy workloads. Front-to-back airflow design aligns with standard data center cooling systems, supporting hot aisle and cold aisle configurations.

Adaptive Fan Control

The system includes intelligent fan control mechanisms that adjust cooling intensity based on real-time temperature readings. This reduces noise, power consumption, and unnecessary wear on cooling components.

Layer 2 and Layer 3 Networking Capabilities

The DCS-7050S-64-F supports a comprehensive suite of Layer 2 and Layer 3 features, making it suitable for both switching and routing roles within modern network architectures.

Layer 2 Switching Features

Advanced VLAN support, link aggregation (LACP), spanning tree protocols, and MAC address learning mechanisms ensure efficient and reliable Layer 2 operations. These features are essential for segmented network environments and multi-tenant infrastructures.

Layer 3 Routing Capabilities

The switch supports dynamic routing protocols such as OSPF and BGP, enabling integration into large-scale routed networks. This allows it to function as both a top-of-rack switch and a routing device in leaf-spine architectures.

IP Address Management and Subnet Optimization

Efficient IP routing and subnet handling capabilities ensure that traffic is directed optimally across the network fabric, reducing latency and improving bandwidth utilization.

Security and Access Control Features

Security is a critical aspect of modern data center switching. The Arista DCS-7050S-64-F includes multiple layers of security mechanisms to protect against unauthorized access and network threats.

Access Control Lists (ACLs)

Granular ACLs allow administrators to define traffic filtering rules based on IP addresses, protocols, and port numbers. This enhances network segmentation and security enforcement.

Control Plane Protection

Control plane policing mechanisms ensure that the CPU is protected from malicious or excessive traffic, maintaining system stability under attack conditions.