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by Arista
Product Line: Arista
Product Type: Switch
Original price $14,060.00 - Original price $16,663.00
Original price
$14,060.00 - $16,663.00
Current price $16,663.00
Title: Surplus

Orders typically ship within 1-3 Business days, if you need an item to ship sooner please contact us.

Product Description

The DCS-7280QRA-C36S-M-R is equipped with 36x40GbE QSFP+ ports, expandable to 120x10GbE or 48x25GbE through breakouts, and supports a mix of 18x40GbE and 12x100GbE configurations for versatile connectivity options. It features AlgoMatch technology for advanced packet matching, a quad-core x86 CPU, 8 GB of system memory (expandable to 32 GB), and 4 GB of flash storage, ensuring efficient data processing and storage capabilities. With a throughput of 3.84 Tbps and a packet processing rate of 1.44 Bpps, alongside a low latency from 3.8 us, it is designed for high-performance, scalable networking environments.

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

  • What is the maximum number of 40GbE ports available on the switch?
    The switch supports up to 36 40GbE ports.
  • How does AlgoMatch enhance network performance?
    AlgoMatch improves network performance by enabling more efficient data packet processing and flow matching.
  • Can the system memory be upgraded from its base configuration?
    Yes, the system memory can be upgraded from 8 GB to 32 GB.
  • What type of storage is included with the switch?
    The switch includes an SSD for storage.
  • What is the switch's throughput capacity?
    The switch has a throughput capacity of 3.84 Terabits per second (Tbps).
  • Does the switch support hot-swappable components?
    Yes, the switch supports hot-swappable power supplies and fans for uninterrupted operation.
  • What are the cooling options for the switch?
    The switch offers rear to front air cooling.
  • What type of CPU does the switch use?
    The switch is powered by a Quad-Core x86 CPU.
  • How many USB ports are available on the switch?
    There are 2 USB ports available on the switch.
  • What is the typical power consumption of the switch?
    The typical power consumption of the switch is 419W, with a maximum draw of 570W.

Product Review

The Arista DCS-7280QRA-C36S-M-R offers high flexibility in network design with its variety of port speeds, including 36x40GbE QSFP+ and options for both 18x40GbE & 12x100GbE configurations, catering to diverse networking demands. However, the system's base memory at 8 GB, while upgradeable to 32 GB, may initially limit performance for memory-intensive applications. Its throughput capability of 3.84 Tbps and low latency from 3.8 microseconds are significant for high-speed data transmission, though the power consumption could be a concern for energy-sensitive deployments.


The Arista DCS-7280QRA-C36S-M-R is a high-performance switch router designed to meet the demands of modern data centers and high-compute environments. It combines flexibility, scalability, and energy efficiency with advanced features to deliver high-speed networking solutions. This product overview focuses on the hardware specifications that make the Arista DCS-7280QRA-C36S-M-R a competitive choice for various networking applications. At its core, the device offers an impressive array of connectivity options, including 36x40GbE QSFP+ ports. This base can be expanded or adjusted, providing up to 18x40GbE & 12x100GbE configurations to accommodate different network topologies and bandwidth requirements. The inclusion of AlgoMatch technology enhances the efficiency of access control lists and enables more sophisticated data forwarding decisions based on packet content. The hardware is powered by a quad-core x86 CPU, ensuring smooth operation even under heavy loads. System memory starts at 8 GB, with an option to upgrade to 32 GB, catering to advanced networking functions and applications that require substantial memory resources. Storage is handled by a 4 GB flash memory, supplemented by an SSD for additional storage and caching capabilities. Key hardware features include: - epxn mem technology, which optimizes memory usage and ensures high-speed data processing. - A rear to front air cooling system, designed to maintain optimal operating temperatures and reliability in various installation environments. - Dual AC power supplies, providing 1+1 redundancy to safeguard against power failures, with hot-swap support for both power supplies and fans, ensuring uninterrupted operation and ease of maintenance. The switch's performance metrics are notable, offering a throughput of 3.84 Tbps and a packet processing capacity of 1.44 billion packets per second (Bpps). This high level of performance is achieved with a latency as low as 3.8 microseconds, making the Arista DCS-7280QRA-C36S-M-R suitable for latency-sensitive applications. Connectivity and management options are comprehensive: - Two USB ports for easy data transfer and firmware updates. - A 100/1000 management port and an RS-232 serial port (RJ-45) for local and remote administration. - The system supports up to 36 max 40GbE ports, 48 max 25GbE ports, and 120 max 10GbE ports, providing flexibility for network design and expansion. Physical specifications reveal a compact form factor at 19 x 1.75 x 20.6 inches (48.3 x 4.4 x 52.3 cm) and a weight of 23.6 lbs (10.7 kg), making it suitable for rack-mount installation in space-constrained environments. Power efficiency is addressed with a typical power draw of 419W and a maximum of 570W, indicating thoughtful design considerations for operational cost savings. In conclusion, the Arista DCS-7280QRA-C36S-M-R offers a powerful and flexible solution for data center networking, combining high-density connectivity, advanced features, and energy-efficient operations. Its hardware specifications cater to the needs of demanding networking environments, making it a strong candidate for enterprises and service providers looking to upgrade their network infrastructure.


Item Code and Manufacturer Arista DCS-7280QRA-C36S-M-R
Ports Configuration 36x40GbE QSFP+, 18x40GbE & 12x100GbE
Technology for Packet Matching AlgoMatch
Memory Type Enterprise Performance x4 Flash Memory
Storage Type Solid State Drive
Cooling Direction Rear to Front Airflow
Power Supplies 2x AC Power Units
Maximum 40GbE Ports 36
Maximum 25GbE Ports 48
Maximum 10GbE Ports 120
Data Throughput (Full-duplex) 3.84 Terabits per second
Packet Forwarding Rate 1.44 Billion packets per second
Network Latency As low as 3.8 microseconds
Processor Type Quad-Core x86 Processor
Main Memory Capacity 8 GB (Upgradeable to 32 GB)
Number of USB Interfaces 2
Onboard Storage Capacity 4 GB Flash Memory
Management Interface 1x 100/1000 Base-T
Console Port Type 1 (RJ-45) for RS-232
Modular Power Supply Units 2 (1+1 Redundant Configuration)
Replaceable Fan Units 4 (N+1 Redundancy)
Power Consumption (Typical/Maximum) 419W / 570W
Dimensions (Width x Height x Depth) 19 x 1.75 x 20.6 inches (48.3 x 4.4 x 52.3 cm)
Hardware Weight 23.6 pounds (10.7 kg)

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