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The Arista DCS-7050CX3-32S-R Switch is a cutting-edge networking solution designed for modern data center environments. This switch features 32 ports of 100 Gigabit Ethernet, delivering exceptional connectivity and performance. Powered by Arista’s advanced EOS software, it ensures low latency, high reliability, and efficient power consumption.
Its compact and versatile design makes it suitable for a variety of deployment scenarios, from large-scale data centers to enterprise networks. With comprehensive Layer 2 and Layer 3 support, the DCS-7050CX3-32S-R offers seamless integration and optimal performance, making it a reliable choice for high-demand networking needs.
The DCS-7050CX3-32S-R offers a full-duplex switching capacity of 6.4 terabits per second (Tbps) with a forwarding rate of 2 billion packets per second (Bpps). This exceptional bandwidth allows the switch to handle massive east-west traffic patterns in leaf-spine data center fabrics without risk of congestion or bottlenecking. Combined with its deep packet buffers, the Arista DCS-7050CX3-32S-R supports congestion management and traffic bursting—making it suitable for applications such as storage and high-performance computing (HPC).
The Arista DCS-7050CX3-32S-R delivers ultra-low 800 ns cut-through latency in standard configurations. This performance ensures deterministic behavior essential for time-sensitive applications like electronic trading platforms and distributed databases. Consistent jitter handling is baked into the architecture, maintaining stable delivery times across varying workloads to prevent packet reordering or excessive delay.
With 32 QSFP28 ports, the Arista DCS-7050CX3-32S-R enables dense 100GbE connectivity or port breakout into 4x 25GbE or 4x 10GbE links for maximum deployment flexibility. This configuration allows operators to migrate seamlessly from legacy 10GbE and 40GbE environments to modern 100GbE and 400GbE-ready architectures without replacing existing cabling or infrastructure.
The DCS-7050CX3-32S-R is compatible with a wide range of optical transceivers and direct attach cables (DACs), including QSFP28 SR4, LR4, PSM4, and CWDM4 modules, as well as active and passive copper options. Maximum reach extends to 10 kilometers over single-mode fiber, with shorter-distance options for top-of-rack connections. Breakout capability allows flexible aggregation or fan-out configurations in dense environments, supporting hybrid topologies with mixed legacy speeds.
As a VXLAN and EVPN-capable switch, the Arista DCS-7050CX3-32S-R facilitates scalable multi-tenant architectures and seamless virtual machine mobility. Equal-cost multi-path (ECMP) routing allows up to 128-way path diversity, maximizing spine-leaf fabric efficiency while reducing congestion risks. Hardware-based tunneling enables line-rate performance even in large virtualized overlays, maintaining throughput without compromising speed or CPU resources.
The DCS-7050CX3-32S-R fits seamlessly in multiple roles—whether as a leaf switch, spine switch, or core aggregation point—thanks to its non-blocking architecture and high port flexibility. It supports both Layer 2 and Layer 3 deployments, allowing network operators to design traditional VLAN-based environments or modern IP fabric architectures with minimal reconfiguration.
Comprehensive telemetry is provided via support for sFlow, OpenConfig, gNMI, and SNMPv3. The DCS-7050CX3-32S-R integrates directly with Arista CloudVision, offering real-time visibility into link health, congestion points, microburst activity, and per-flow performance. Enhanced streaming telemetry provides actionable insights to prevent issues before they impact service, ensuring operational reliability and proactive maintenance.
The DCS-7050CX3-32S-R runs Arista’s Extensible Operating System (EOS), offering advanced programmability and scripting capabilities via APIs such as eAPI, RESTCONF, and gRPC. Zero Touch Provisioning (ZTP) streamlines new switch rollouts, while tools like Ansible and Puppet ensure consistent configuration management. CloudVision provides a centralized platform for automation, telemetry, and compliance, enhancing operational efficiency at scale.
Designed with front-to-rear airflow, the Arista DCS-7050CX3-32S-R aligns with modern data center hot-aisle/cold-aisle layouts. The switch features energy-efficient power supplies and variable-speed fans that dynamically adjust based on system temperature, reducing total power consumption and minimizing environmental impact. Typical power draw ranges between 300 and 500 watts, depending on traffic load and port utilization.
The DCS-7050CX3-32S-R adheres to stringent industry certifications, including RoHS, ENERGY STAR, and FCC/CE electromagnetic standards. Its efficient design reduces data center carbon footprints, supporting sustainability initiatives while meeting global regulatory requirements.
Security on the DCS-7050CX3-32S-R includes hardware-based access control lists (ACLs), 802.1X authentication, MACsec encryption, control-plane protection (CoPP), and secure boot processes. These capabilities guard against unauthorized access, traffic manipulation, and potential configuration tampering, ensuring trust in sensitive deployment environments.
The Arista DCS-7050CX3-32S-R benefits from Arista’s long-term EOS software support, including regular feature updates, bug fixes, and security patches. With dual hot-swappable power supplies, redundant fans, and an estimated Mean Time Between Failures (MTBF) typically 350,000–400,000 hours, the switch is built for long service life in mission-critical networks. Its 100GbE readiness positions it well for future data center scaling and next-generation workload demands.
The DCS-7050CX3-32S-R is the rear-to-front (-R) airflow configuration. For deployments requiring front-to-rear airflow, see the DCS-7050CX3-32S-F model.
When compared to similar switches such as the Cisco Nexus 93180YC-EX or Juniper QFX5120-32C, the DCS-7050CX3-32S-R distinguishes itself through its superior integration with EOS and CloudVision, broader telemetry support, and proven low-latency performance. While competitor models may offer similar port counts and throughput, Arista’s commitment to open programmability and automation gives the DCS-7050CX3-32S-R an operational advantage in large-scale deployments.
The Arista DCS-7050CX3-32S-R represents the pinnacle of 1RU 100G switching, offering an unmatched blend of throughput, flexibility, and operational insight. Ideal for operators building future-ready data centers, this model ensures scalability, performance, and manageability as network demands evolve.
Related Arista 7050X Series models: DCS-7050SX3-48YC8-F and DCS-7050SX3-48C8-F.
The Arista DCS-7050CX3-32S-R features 32 QSFP28 ports that support 40/100GbE speeds, along with 2 additional 10GbE SFP+ ports, providing flexible connectivity options for high-density networking environments.
The DCS-7050CX3-32S-R runs on Arista’s Extensible Operating System (EOS), which offers advanced programmability, automation capabilities, and comprehensive network management features.
Yes, the Arista DCS-7050CX3-32S-R is designed specifically for data center environments, supporting high throughput, low latency, and scalability required for modern leaf and spine network architectures.
Yes, the DCS-7050CX3-32S-R includes energy-efficient power supplies and variable-speed fans, with typical power consumption around 192 watts, helping to reduce overall data center energy use.
The DCS-7050CX3-32S-R supports Layer 2 and Layer 3 switching, VXLAN and EVPN for virtualized networks, ECMP routing for scalable paths, and advanced telemetry and automation via Arista CloudVision.
The Arista DCS-7050CX3-32S-R provides a full-duplex switching capacity of 6.4 terabits per second (Tbps), enabling it to handle heavy east-west data traffic typical in modern data centers.
The DCS-7050CX3-32S-R delivers low latency of approximately 800 nanoseconds, suitable for time-sensitive applications such as high-frequency trading and real-time analytics.
Yes, each QSFP28 port on the DCS-7050CX3-32S-R can be split into multiple lower-speed ports, such as 4x 25GbE or 4x 10GbE, offering flexible deployment options.
The Arista DCS-7050CX3-32S-R supports front-to-rear or rear-to-front airflow configurations, allowing it to fit into different data center cooling architectures.
With dual hot-swappable power supplies, redundant fans, and an MTBF of around 350,000 hours, the DCS-7050CX3-32S-R is built for high reliability and continuous operation in demanding environments.
Yes, the Arista DCS-7050CX3-32S-R supports advanced automation and programmability features through Arista EOS APIs like eAPI, RESTCONF, and gRPC, enabling integration with tools such as Ansible and Puppet.
The DCS-7050CX3-32S-R includes hardware-based ACLs, 802.1X authentication, MACsec encryption, control-plane protection (CoPP), and secure boot processes to safeguard network traffic and device integrity.
Yes, the Arista DCS-7050CX3-32S-R is designed for versatile deployment and can function effectively as a leaf switch, spine switch, or core aggregation device in scalable data center fabrics.
The DCS-7050CX3-32S-R supports a broad range of optics including QSFP28 SR4, LR4, PSM4, CWDM4 transceivers, as well as active and passive copper cables, offering flexibility for different link distances and topologies.
The DCS-7050CX3-32S-R supports real-time telemetry via sFlow, OpenConfig, gNMI, SNMPv3, and integrates with Arista CloudVision for comprehensive monitoring, analytics, and proactive network management.
