• Stacked arista dcs-7050sx2-128-r network switches with metallic gray chassis and black ports for high-speed connectivity
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Arista

Arista DCS-7050SX2-128-R | 7050SX2 96-Port 10G SFP+ Switch, 8x 40G QSFP+

DCS-7050SX2-128-R

Stock Status: Enquire

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Description

The Arista DCS-7050SX2-128-R is a high-performance data center switch designed for demanding 10G and 40G environments. With 96 SFP+ ports and 8 QSFP+ uplinks, it delivers 2.56 Tbps throughput, 1440 Mpps forwarding, and ultra-low 550ns latency, making it ideal for large-scale leaf-spine architectures and high-performance compute applications. Running Arista EOS on a quad-core x86 CPU with 8GB RAM, it offers advanced Layer 2/3 features, VXLAN support, and flexible buffer allocation for mission-critical workloads.

Features

Layer 2 switching with VLAN support (4094 VLANs), RSTP, MSTP, RPVST+
- Layer 3 routing with BGP, OSPF, static routing, and 128-way ECMP
- VXLAN bridging, routing, and gateway for network virtualization
- 64-way MLAG (Multi-Chassis Link Aggregation) for high availability
- Dynamic Buffer Allocation (DBA) up to 6.7MB per port for lossless forwarding
- Advanced QoS with 8 hardware queues per port
- Multicast support with IGMP snooping and PIM
- Comprehensive ACLs with IPv4 and IPv6 support
- sFlow, NetFlow, and DANZ (Data Analyzer) for network visibility
- Arista LANZ (Latency Analyzer) for real-time congestion monitoring
- Zero Touch Provisioning (ZTP) for automated deployment
- Arista EOS with state sharing architecture and hitless upgrades
- OpenFlow support for SDN integration
- Hot-swappable redundant power supplies and fans
- Optional SSD for advanced logging and packet capture

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

96x 10GbE SFP+ ports (1G/10G compatible)
- 8x 40GbE QSFP+ ports (supports 4x10G breakout)
- Switching capacity: 2.56 Tbps
- Forwarding rate: 1440 Mpps
- Latency: 550 nanoseconds (cut-through mode)
- Packet buffer: 16MB dynamic shared buffer
- MAC address table: 288,000 entries
- CPU: Quad-core x86
- System memory: 8GB RAM
- Flash storage: 4GB
- Management: 2x 10/100/1000 ports, RS-232 console (RJ-45), USB 2.0
- Power supplies: Dual hot-swappable 500W AC (1+1 redundancy), rear-to-front airflow
- Cooling: 4 hot-swappable fans with N+1 redundancy
- Typical/Max power consumption: 214W / 396W
- Form factor: 2RU (48.3 x 8.8 x 45.9 cm, 15.1 kg)
- Operating temperature: 0°C to 40°C
- Certifications: UL/CSA 60950-1, EN 60950-1, FCC, EN55022

FAQs

Q: Can the 40GbE QSFP+ ports be used for 10GbE connections?
A: Yes, each QSFP+ port can be configured with breakout cables to support 4x 10GbE connections, effectively providing up to 128 total 10GbE ports when all 8 QSFP+ ports use breakout mode.

Q: What is the difference between the -R and -F suffix models?
A: The DCS-7050SX2-128-R features rear-to-front (back-to-front) airflow, while the -F model has front-to-rear airflow. Choose the model that matches your data center hot aisle/cold aisle cooling design.

Q: Does this switch support VXLAN and Layer 3 routing?
A: Yes, the DCS-7050SX2-128-R supports full Layer 3 routing with BGP, OSPF, and advanced features including VXLAN bridging, routing, and gateway functionality for physical-to-virtual network integration.

Q: What is the minimum EOS version required for this switch?
A: The DCS-7050SX2-128-R requires Arista EOS version 4.18.0 or later. The switch runs the same EOS software as all Arista products, ensuring consistent management and feature sets across your network.

Q: Is this switch suitable for leaf-spine data center architectures?
A: Absolutely. With support for up to 128-way ECMP, 64-way MLAG, ultra-low latency, and high port density, this switch is ideal for modern two-tier leaf-spine designs and high-performance compute environments.

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