Arista 7500R Series Modular Spine Switches for Data Centers

Discover Arista 7500R Series Modular Spine Switches with high-density models like 7516R, 7512R, 7508R, and 7504R, built for cloud-scale data center networks.
Arista 7500R Series Modular Spine Switches

Product Series

7516r-high-capacity-cloud-spine-platform
7516R
7512R
7512R
7508R
7508R
Arista 7500R Series Modular Spine Switches
7504R
7516r-high-capacity-cloud-spine-platform

7516R High-Capacity Cloud Spine Platform

Enforce Smart Encryption Policies

The 7516R model from the Arista 7500R Series delivers unmatched performance for massive cloud environments and high-throughput networking infrastructure.

Key Benefits of 7516R:

  • High Port Density for large-scale workloads
  • Modular Architecture with advanced scalability
  • FlexRoute Support for internet-scale routing

7504R Compact Spine Switch for Cloud Networking

Compact yet powerful, the 7504R is ideal for cloud deployments where performance, space, and power efficiency matter.

  • Space-Saving Design without sacrificing performance
  • 24GB Deep Buffers per line card
  • MACsec Enabled secure data transmission
Arista 7500R Series Modular Spine Switches

Features of Arista 7500R Series

High Performance Switching

The series offers up to 150Tbps system capacity and ultra-deep buffering to eliminate packet drops.

Built on a modular OS with automation, streaming telemetry, and advanced traffic control.

Modular Scalability

Fully compatible line cards across models ensure long-term investment protection.

MACsec support with standards-based 100G encryption ensures data integrity across networks.

Model Highlights of the 7500R Series

Arista Spine Overview and Datacenter Scale

7500R Series Use Cases

Cloud Data Centers

Supports large-scale, multi-tenant cloud environments requiring high throughput and reliability.

Enterprise Core Switching

Serves as a resilient backbone with advanced routing features for large enterprise networks.

Service Provider Networks

Delivers flexibility, speed, and security for service providers with extensive customer bases.

Secure Interconnects

MACsec and buffer-rich architecture make it ideal for secure high-speed interconnects.

Core Advantages of the 7500R Series

High Capacity Switching

Supports up to 576 wire-speed 100G ports with ultra-low latency and deep buffering.

Modular System Design

Forward and backward-compatible line cards support seamless upgrades and scalability.

Secure MACsec Encryption

Provides 100G line-rate encryption on all ports, meeting data privacy and compliance needs.

Cloud-Scale Networking

Optimized for modern cloud and hybrid data center architectures with automation and telemetry.

Resources and Product Information

Spine Specifications and Architecture Videos

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Frequently Asked Questions (FAQs)

What are the main differences between 7516R and 7504R models?

The 7516R is the largest and highest-capacity model in the 7500R Series, offering up to 150Tbps system capacity, 576 wire-speed 100G ports, and ideal for hyperscale data centers.
In contrast, the 7504R is a more compact model, suitable for edge or smaller deployments, with fewer slots, lower port density, and reduced power and space requirements — yet still powerful with features like MACsec, deep buffers, and modular architecture.

Yes. The 7500R Series is designed for investment protection with backward and forward compatibility across chassis and line cards. You can use your existing line cards with newer chassis models (like 7516R, 7512R, etc.), ensuring seamless upgrades and cost efficiency.

Yes, the Arista 7500R Series fully supports VXLAN (Virtual Extensible LAN) and EVPN (Ethernet VPN). These protocols enable scalable network virtualization, multi-tenant architectures, and efficient layer 2/3 segmentation, making them ideal for cloud-scale deployments.

The 7500R Series uses IEEE 802.1AE, the official MACsec (Media Access Control Security) standard. This provides line-rate encryption and authentication for all 100G ports on supported line cards, ensuring confidentiality, anti-replay protection, and secure interconnects between data center tiers.

The Arista 7500R Series is built for both cloud and enterprise networks with features like:

  • Non-blocking 150Tbps switching fabric
  • Scalable VXLAN & EVPN support
  • Deep buffering (up to 24GB per line card)
  • Streaming telemetry with CloudVision
  • MACsec security
  • High port density and modular design