DCS-7500E-12CM-LC Arista 100GBE SR10 Expansion Module

Arista DCS-7500E-12CM-LC 100GBE SR10 Expansion Module

The Arista DCS-7500E-12CM-LC 100GBE SR10 12 Port MXP Expansion Module is engineered to deliver high-speed connectivity and reliable performance for enterprise networking environments. This module enhances scalability and ensures seamless integration with Arista’s advanced systems.

General Specification

Manufacturer Details

• Brand: Arista Network
• Part Number: DCS-7500E-12CM-LC
• Product Type: Expansion Module

Technical Information

Connectivity Features

• 100 Gigabit Ethernet SR10 support
• 12 Port MXP expansion capability
• Optimized for large-scale deployments

Performance Highlights

• High bandwidth throughput
• Low latency for mission-critical applications
• Reliable data transmission

Compatibility

• Works seamlessly with Arista 7500E series
• Supports modular scalability
• Future-ready architecture

100GbE Data Center Switching Expansion Module Overview

The Arista DCS-7500E-12CM-LC 100GBE SR10 12 Port MXP Expansion Module belongs to the advanced category of modular 100 Gigabit Ethernet expansion modules engineered for large-scale data center core and aggregation switching platforms. This category is specifically designed to extend the capabilities of modular chassis switches within the Arista 7500E Series, enabling ultra-high bandwidth connectivity for spine-leaf topologies, hyperscale cloud infrastructure, and enterprise core environments. Expansion modules in this class deliver predictable latency, non-blocking throughput, and hardware-level efficiency that align with modern east-west traffic patterns dominating contemporary data centers.

As network infrastructures evolve toward software-defined architectures and virtualization-driven workloads, the demand for scalable high-speed port density increases. The 100GbE SR10 MXP module category addresses these requirements by providing dense optical connectivity options that support parallel fiber transmission, optimized for short-reach high-throughput data center deployments. This enables network architects to design infrastructures capable of handling exponential data growth without compromising reliability or performance consistency.

MXP Modular Port Architecture and Scalability

The MXP expansion module framework is engineered for modular scalability within chassis-based switching platforms. MXP technology allows high-bandwidth interfaces to be dynamically allocated and configured according to operational requirements. The Arista DCS-7500E-12CM-LC expansion module provides twelve 100GbE SR10 ports, each capable of supporting significant throughput while maintaining signal integrity and thermal efficiency across dense rack deployments.

Modular expansion categories such as this one are built to maximize chassis investment. Organizations deploying Arista 7500E switching systems can enhance network capacity incrementally, scaling port density as traffic demands increase. This flexibility reduces the need for complete infrastructure replacement and supports phased expansion strategies aligned with business growth.

100 Gigabit Ethernet Performance Standards

The 100 Gigabit Ethernet category represents a critical layer in modern high-performance networking. With 100GbE SR10 connectivity, this module delivers multi-lane optical transmission over multimode fiber, ensuring reliable high-speed communication within short-range data center environments. The SR10 standard utilizes parallel optics across multiple fiber strands, providing enhanced redundancy and consistent throughput under heavy network loads.

Data center workloads including virtualization clusters, distributed storage systems, and high-performance computing nodes require sustained high bandwidth. 100GbE interfaces eliminate bottlenecks between aggregation and spine layers, ensuring seamless data flow between servers, storage arrays, and compute clusters.

Short-Reach Optical Connectivity and Fiber Infrastructure

The SR10 optical specification is optimized for short-range transmission, typically within the same data center or campus environment. This makes the module particularly suitable for top-of-rack to spine connectivity, core interconnects, and large-scale server farm deployments. Parallel multimode fiber support ensures minimal signal degradation and maintains low latency transmission across high-density racks.

Efficient optical design reduces power consumption per transmitted bit, contributing to lower operational costs in hyperscale facilities. Fiber infrastructure compatibility also allows seamless integration with existing multimode cabling frameworks commonly deployed in enterprise and cloud environments.

Enterprise and Hyperscale Data Center Applications

The expansion module category represented by the Arista DCS-7500E-12CM-LC is purpose-built for environments where network performance directly impacts service delivery. Hyperscale cloud providers leverage 100GbE connectivity to handle massive east-west traffic between virtual machines and containerized applications. Enterprise organizations utilize similar architectures to support unified communications, ERP systems, analytics platforms, and large-scale storage networks.

In high-density virtualization scenarios, predictable network latency and consistent throughput are critical. This category of expansion modules integrates seamlessly with Arista EOS, enabling software-driven network orchestration, automated provisioning, and granular traffic management across thousands of connected endpoints.

Spine-Leaf Architecture Optimization

Modern spine-leaf network topologies depend heavily on high-speed interconnects to maintain low latency and equal-cost multipathing across nodes. The 100GbE SR10 MXP module category supports this architecture by providing dense, high-bandwidth connections between spine switches and leaf switches. This reduces oversubscription ratios and ensures balanced traffic distribution throughout the fabric.

By delivering twelve dedicated 100GbE ports per module, network engineers can design scalable fabrics that expand horizontally without sacrificing throughput. This horizontal scaling model aligns with the needs of cloud-native environments where workloads can dynamically scale across compute nodes.

Cloud Computing and Virtualized Infrastructure

Cloud platforms demand robust networking layers capable of supporting thousands of virtualized workloads. Expansion modules within this category are engineered to provide consistent packet forwarding performance, enabling cloud providers to maintain service-level agreements for latency-sensitive applications. High-speed connectivity between compute clusters enhances VM migration efficiency and improves distributed workload coordination.

Network programmability through Arista EOS further strengthens the value of this category. Automation frameworks integrate directly with switching hardware, allowing administrators to deploy policy changes and configuration updates without manual intervention.

High Availability and Redundancy Design

Reliability is central to the expansion module category. The Arista DCS-7500E-12CM-LC is built to operate within high-availability chassis systems that incorporate redundant power supplies, supervisor modules, and fabric components. This ensures uninterrupted network operation even during maintenance or component failure.

Hardware-level failover capabilities and redundant uplink configurations provide additional resilience. Data centers operating mission-critical applications rely on these design principles to minimize downtime and prevent service disruptions.

Low Latency Switching and Deterministic Performance

Latency-sensitive applications such as financial trading platforms, real-time analytics engines, and AI inference systems require deterministic network behavior. The 100GbE expansion module category is engineered to maintain ultra-low latency packet forwarding across high-throughput environments. This deterministic performance ensures predictable response times and consistent workload behavior.

Cut-through switching techniques, combined with optimized buffering strategies, enable high-speed data transmission without excessive queuing delays. This enhances overall network responsiveness and supports time-sensitive data flows.

Advanced Traffic Management

Quality of Service features embedded within Arista switching platforms extend to expansion modules in this category. Administrators can define traffic prioritization rules, allocate bandwidth dynamically, and enforce segmentation policies across the network fabric. These capabilities are essential in multi-tenant data centers where diverse workloads share infrastructure resources.

Traffic shaping and congestion management algorithms ensure that high-priority applications maintain performance even during peak utilization periods. This balanced traffic distribution contributes to overall network efficiency and reliability.

Energy Efficiency and Thermal Optimization

High-density 100GbE connectivity inherently generates thermal and power considerations. The expansion module category addresses these challenges through efficient ASIC design and optimized airflow alignment within the chassis. The DCS-7500E-12CM-LC module integrates seamlessly with chassis cooling systems, maintaining stable operating temperatures under sustained load.

Energy efficiency is particularly significant in hyperscale data centers where cumulative power consumption directly impacts operational expenditure. Advanced silicon processes reduce watts per gigabit metrics, enabling operators to achieve higher bandwidth density without proportionally increasing power requirements.

Chassis Integration and Mechanical Compatibility

The module is designed specifically for compatibility with the Arista 7500E chassis platform, ensuring secure insertion, precise electrical connectivity, and seamless integration with switching fabric backplanes. Mechanical engineering precision ensures reliable performance under continuous vibration, thermal cycling, and high rack density conditions.

Hot-swappable functionality further enhances operational flexibility. Network administrators can replace or upgrade expansion modules without powering down the entire chassis, maintaining service continuity and reducing maintenance windows.

Security and Network Segmentation Capabilities

Security is a fundamental component of modern data center networking. The 100GbE expansion module category supports advanced segmentation models, including VLAN, VXLAN, and software-defined overlays. These capabilities allow secure multi-tenant isolation and workload separation within shared environments.

Integrated hardware acceleration for tunneling and encapsulation ensures that security features do not introduce significant performance penalties. This is particularly relevant in cloud and hosting environments where secure tenant isolation must coexist with high throughput demands.

Software-Defined Networking Integration

Arista EOS provides a programmable network operating system that integrates tightly with expansion modules in this category. Through APIs and automation frameworks, administrators can orchestrate network behavior dynamically. This integration supports infrastructure-as-code methodologies, enabling rapid provisioning and scalable network deployments.

Telemetry and real-time analytics further enhance operational visibility. Administrators gain granular insight into port utilization, traffic flows, and latency metrics, empowering proactive optimization and troubleshooting.