• Stacked arista dcs-7050sx3-48c8-r network switches with metallic gray chassis and black 10g and 100g ports visible
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Arista

Arista DCS-7050SX3-48C8-R | 7050SX3 48-Port 10G Switch, 8x 100G QSFP28

DCS-7050SX3-48C8-R

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Description

The Arista DCS-7050SX3-48C8-R is a high-performance 1RU data center switch delivering 2.56 Tbps throughput with 48x 10GbE SFP+ ports and 8x 100GbE QSFP28 uplinks. Optimized for leaf and spine architectures with ultra-low 800ns latency, wire-speed Layer 2/3 forwarding, and no oversubscription. The rear-to-front airflow design and redundant AC power supplies ensure reliable operation in demanding data center environments.

Features

Wire-speed Layer 2 and Layer 3 forwarding with no oversubscription
- Ultra-low latency: 800ns cut-through switching
- Unified Forwarding Table (UFT) for flexible MAC/routing table allocation
- 32 MB fully shared dynamic packet buffer for superior burst absorption
- Comprehensive routing protocols: BGP, OSPF, OSPFv3, IS-IS, RIP-2, PIM-SM/SSM, VRRP
- Advanced Layer 2 features: VLAN, STP/RSTP/MSTP, link aggregation (LACP)
- VXLAN routing and bridging with EVPN control plane
- MLAG (Multi-Chassis Link Aggregation) for high availability
- Quality of Service (QoS): 8 hardware queues, traffic shaping, scheduling
- IPv4 and IPv6 routing with up to 256K route capacity (with appropriate licensing)
- Advanced telemetry: LANZ (latency analysis), sFlow, DANZ mirroring
- CloudVision integration for centralized management and automation
- Zero Touch Provisioning (ZTP) for automated deployment
- Programmable via Python, REST API, OpenConfig, gRPC
- Stateful Fault Repair (SFR) and hitless in-service software upgrades
- Security features: Control plane policing, ACLs, port security, MACsec support on select models
- 1+1 redundant hot-swappable power supplies
- Hot-swappable fan modules for continuous operation

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

48x 10GbE SFP+ ports
- 8x 100GbE QSFP28 ports (supports 40/100GbE and breakout configurations)
- Switching capacity: 2.56 Tbps
- Forwarding rate: 1 billion packets per second (1 Bpps)
- Latency: 800 nanoseconds (cut-through)
- MAC address table: 288,000 entries
- Packet buffer: 32 MB with dynamic buffer allocation
- CPU: Quad-core x86 processor
- Memory: 8 GB DRAM
- Flash storage: 16 GB
- Management: 1x RJ-45 management port, 1x RS-232 serial console
- Airflow: Rear-to-front (back-to-front)
- Power supplies: 2x redundant hot-swappable AC (PWR-511-AC-BLUE)
- Form factor: 1RU rack-mountable
- Dimensions: 48.3 x 4.4 x 46.8 cm (19 x 1.75 x 18.4 inches)
- Weight: 9.45 kg (21 lbs)
- Operating system: Arista EOS

FAQs

Q: What deployment scenarios is the DCS-7050SX3-48C8-R best suited for?
A: This switch is ideal for data center leaf-spine architectures, providing high-density 10GbE server connectivity with 100GbE uplinks. It's optimized for low-latency applications including financial trading, high-performance computing, storage fabrics, and enterprise data centers requiring wire-speed Layer 2/3 forwarding.

Q: Does the DCS-7050SX3-48C8-R support port breakout configurations?
A: Yes, the 8x QSFP28 100GbE ports support flexible breakout options including 100GbE, 40GbE, 4x25GbE, 4x10GbE, and 2x50GbE using appropriate transceivers and breakout cables, allowing for versatile deployment configurations.

Q: What is the difference between the -R and -F suffix models?
A: The -R suffix indicates rear-to-front (back-to-front) airflow, while -F models feature front-to-rear airflow. Select the appropriate airflow direction to match your data center hot aisle/cold aisle configuration for optimal cooling efficiency.

Q: What software features does Arista EOS provide on this switch?
A: Arista EOS delivers comprehensive Layer 2/3 protocols, VXLAN/EVPN, advanced routing (BGP, OSPF, IS-IS), Zero Touch Provisioning, CloudVision integration, programmable automation via Python/REST APIs, real-time telemetry, and consistent features across the entire Arista portfolio with stateful in-service upgrades.

Q: Is stacking supported on the 7050SX3-48C8-R?
A: The 7050SX3 series does not support traditional stacking. Instead, it leverages modern data center architectures using MLAG (Multi-Chassis Link Aggregation) for high availability and VXLAN/EVPN for scalable Layer 2/3 overlay networks across spine-leaf topologies.

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