• Stacked gray arista dcs-7050cx3-32c-dc-r 32-port 100g network switches with rear airflow and industrial design
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Arista

Arista DCS-7050CX3-32S-R | 7050X3 32-Port 100G Switch, 6.4Tbps, Rear-to-Front Air

DCS-7050CX3-32S-R

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Description

The Arista DCS-7050CX3-32S-R is a high-performance 1RU data center switch featuring 32 100GbE QSFP28 ports and 2 SFP+ management interfaces, ideal for leaf-spine architectures. With 6.4Tbps switching capacity, 2 Bpps forwarding rate, and ultra-low 800ns latency, it supports demanding cloud and enterprise applications. Rear-to-front airflow optimizes cooling efficiency in hot-aisle/cold-aisle data center environments, while flexible port breakout enables seamless migration from legacy 10G/40G to modern 100G deployments.

Features

Wire-speed Layer 2 and Layer 3 switching with full IPv4 and IPv6 support
- VXLAN and EVPN support for scalable multi-tenant overlay networks
- ECMP (Equal-Cost Multi-Path) routing for optimized traffic distribution
- Unified Forwarding Table (UFT) with flexible resource allocation
- 32MB shared packet buffer for superior burst absorption
- MACsec encryption for wire-speed Layer 2 security
- 802.1X authentication and hardware-based ACLs
- LANZ (Latency Analyzer) for real-time congestion and latency monitoring
- Streaming telemetry and sFlow for advanced traffic analysis
- Zero Touch Provisioning (ZTP) for automated deployment
- Arista CloudVision integration for centralized management and automation
- Hot-swappable redundant power supplies and fan trays
- Dynamic Load Balancing (DLB) for optimized path selection
- Single Pass VXLAN Routing for efficient network segmentation
- Network Address Translation (NAT) support
- Advanced QoS with dynamic buffer allocation

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

32x 100GbE QSFP28 ports (supports breakout to 4x25GbE or 4x10GbE per port)
- 2x 10GbE SFP+ management interfaces
- Switching capacity: 6.4 Tbps full-duplex
- Forwarding rate: 2 billion packets per second (Bpps)
- Latency: 800ns (cut-through mode)
- Packet buffer: 32MB shared memory
- CPU: High-performance x86 multi-core processor
- System memory: 8GB RAM
- Flash storage: Internal flash and bootflash
- Form factor: 1RU rack-mountable
- Dimensions: 1.75" H x 19" W x 18" D (4.45 x 48.26 x 45.72 cm)
- Weight: Approximately 21.3 lbs (9.65 kg)
- Airflow: Rear-to-front (back-to-front) cooling
- Power supplies: Dual redundant hot-swappable AC/DC power supplies
- Typical power consumption: 192-410W (varies by configuration)
- Management: CLI, SNMP, REST API, Arista CloudVision integration
- Operating system: Arista EOS (Extensible Operating System)

FAQs

Q: What is the difference between the DCS-7050CX3-32S-R and DCS-7050CX3-32S-F models?
A: The -R suffix indicates rear-to-front (back-to-front) airflow, while the -F suffix indicates front-to-back airflow. Choose the airflow direction that matches your data center hot-aisle/cold-aisle design for optimal cooling efficiency.

Q: Can I use this switch for both leaf and spine roles in my data center?
A: Yes, the DCS-7050CX3-32S-R is designed for both leaf and collapsed spine deployments. Its high port density, low latency, and wire-speed performance make it suitable for demanding leaf-spine architectures in cloud and enterprise data centers.

Q: Does this switch support port breakout for lower-speed connections?
A: Yes, each 100GbE QSFP28 port supports flexible breakout configurations including 4x25GbE, 4x10GbE, 2x50GbE, and 40GbE modes, allowing you to support up to 128 x 10/25G ports. This enables seamless migration from legacy infrastructure to modern 100G networks.

Q: What advanced features does Arista EOS provide on this switch?
A: Arista EOS delivers comprehensive Layer 2 and Layer 3 switching, VXLAN and EVPN for overlay networks, ECMP routing, MACsec encryption, advanced telemetry with LANZ (Latency Analyzer), Zero Touch Provisioning, and integration with Arista CloudVision for centralized automation and management.

Q: Is this switch compatible with third-party optical transceivers?
A: The DCS-7050CX3-32S-R supports a wide range of QSFP28 and QSFP+ optical transceivers and direct attach cables (DACs), including SR4, LR4, PSM4, CWDM4, and active/passive copper options. Arista typically supports both Arista-coded and compatible third-party optics, though verification is recommended.

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