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by Arista
Product Line: Arista
Product Type: Switch
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Original price $0.00 - Original price $13,986.00
Original price
$0.00 - $13,986.00
Current price $0.00
Title: Surplus

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Product Description

The DCS-7280QRA-C36S-M-F is a high-capacity network switch featuring 36x40GbE QSFP+ ports, expandable to 48x25GbE or 120x10GbE ports for versatile connectivity options. It supports a throughput of 3.84 Tbps and a packet processing rate of 1.44 Bpps, with latency starting from 3.8 us, powered by a Quad-Core x86 CPU and up to 32 GB system memory. Designed for efficiency, it includes front to rear air cooling, 2x AC hot-swap power supplies, and 4 hot-swap fans, ensuring reliable operation in various network environments.

Key Feature for the DCS-7280QRA-C36S-M-F

  • What is the maximum number of 40GbE ports supported by the 36x40GbE QSFP+ switch?
    36 40GbE ports.
  • How does AlgoMatch technology enhance the 18 x 40GbE & 12x100GbE switch router's performance?
    AlgoMatch improves efficiency and speed in processing and matching complex data patterns.
  • What type of memory is utilized in the epxn mem?
    High-speed, efficient memory designed for advanced networking tasks.
  • Describe the cooling direction in the 36x40GbE QSFP+ model.
    It uses a front to rear air flow scheme for optimal cooling.
  • What storage solution is available on this device?
    An SSD is integrated for fast and reliable data storage.
  • How many power supplies are included, and what type are they?
    The device includes 2x AC power supplies for redundancy.
  • What is the throughput capability of the 18 x 40GbE & 12x100GbE switch router?
    3.84 Terabits per second (Tbps).
  • What CPU is used in this networking device?
    A Quad-Core x86 processor.
  • How much system memory is standard, and what is the maximum optional expansion?
    Standard memory is 8 GB, expandable to 32 GB.
  • What are the typical and maximum power draws of the 36x40GbE QSFP+ model?
    Typical power draw is 419W, with a maximum of 570W.

Product Review

The Arista DCS-7280QRA-C36S-M-F offers high-density connectivity with 36x40GbE QSFP+ and flexibility through its additional 18x40GbE & 12x100GbE switch router configurations, catering to diverse network demands. While its throughput of 3.84 Tbps and low latency from 3.8 microseconds are impressive, the system's base memory of 8 GB, although upgradeable to 32 GB, might be a limitation for memory-intensive applications. Its power efficiency and compact design, featuring hot-swap components and front to rear air cooling, ensure operational reliability and ease of maintenance in data center environments.


The Arista DCS-7280QRA-C36S-M-F is a high-performance switch router designed to meet the demands of data center and high-capacity networking environments. It integrates advanced hardware capabilities and innovative technologies to deliver exceptional performance, flexibility, and reliability for handling large volumes of traffic and complex data flows. At its core, the device offers 36 40GbE QSFP+ ports, providing a solid foundation for high-speed networking and connectivity. It is also versatile, supporting up to 18 40GbE and 12 100GbE configurations, allowing network architects to tailor the setup to meet specific throughput and connectivity requirements. One of the standout features of this model is its implementation of AlgoMatch technology, which enhances the efficiency and accuracy of packet matching and processing, ensuring optimal performance even under heavy load conditions. This is complemented by the use of epxn mem (expandable memory), which provides ample capacity for storing and managing complex routing tables and network policies. For storage, the device is equipped with an SSD, offering fast and reliable data access. This feature, combined with a robust processing unit, a quad-core x86 CPU, and system memory options of up to 32 GB, ensures smooth operation and handling of networking tasks. The device is designed with operational efficiency in mind, featuring front to rear air flow for optimal cooling, which is essential for maintaining performance in high-density rack environments. Power supply is managed through dual AC inputs, with hot-swap capabilities for both power and fan units, ensuring uninterrupted operation and easy maintenance.
  • Throughput capabilities reach up to 3.84 Tbps, with a packet processing rate of 1.44 billion packets per second, highlighting its capacity to handle vast data volumes efficiently.
  • Latency is minimized, starting from 3.8 microseconds, allowing for rapid data transmission and reducing delays in time-sensitive applications.
  • The chassis dimensions are 19 x 1.75 x 20.6 inches, and it weighs 23.6lbs, making it a compact yet powerful solution suitable for various installation environments.
Connectivity options are comprehensive, including USB ports for peripheral connection and flash storage memory of 4 GB for system files and configurations. Network management is facilitated through a dedicated 100/1000 management port and an RS-232 serial port, providing flexible options for network setup and monitoring. In terms of energy consumption, the device operates with a typical power draw of 419W and can go up to a maximum of 570W under full load, reflecting its energy efficiency and the consideration of operating costs in its design. In summary, the Arista DCS-7280QRA-C36S-M-F stands out for its high-capacity networking capabilities, innovative packet processing technology, and efficient operational design. It is a powerful solution for organizations looking to build or upgrade their network infrastructure to accommodate high volumes of traffic and ensure high levels of performance and reliability.


Item Number DCS-7280QRA-C36S-M-F
Maker Arista
Interface Configuration 36x40Gbps QSFP+, Dual Mode: 18x40GbE & 12x100GbE
Technology for Traffic Identification AlgoMatch
Memory Type Enterprise-grade SSD
Cooling Direction Airflow from front to rear
Power Supply Units Two AC Power Supplies
Maximum Ports for 40GbE 36 Ports
Maximum Ports for 25GbE 48 Ports
Maximum Ports for 10GbE 120 Ports
Data Throughput (Full Duplex) 3.84 Terabits per second
Processing Rate 1.44 Billion packets per second
Network Latency As low as 3.8 microseconds
Processor Type Quad-Core x86 Processor
Main Memory 8 GB, expandable to 32 GB
USB Interfaces 2 Ports
Internal Storage 4 GB Flash
Management Interface 1x 100/1000Base-T
Console Port 1x RS-232 (RJ-45)
Power Supplies with Redundancy 2 (1+1 Redundancy)
Redundant Fan Modules 4 (N+1 Redundancy)
Power Consumption (Typical/Maximum) 419 Watts / 570 Watts
Dimensions (Width x Height x Depth) 19 x 1.75 x 20.6 inches (48.3 x 4.4 x 52.3 cm)
Unit Weight 23.6 pounds (10.7 kg)

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