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by Arista
Product Line: Arista
Product Type: Switch
Original price $11,039.00 - Original price $12,051.00
Original price
$11,039.00 - $12,051.00
Current price $12,051.00
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-R is a high-capacity network switch featuring 36x40GbE QSFP+ ports, expandable to 48x25GbE or 120x10GbE ports, and supports up to 12x100GbE configurations for versatile connectivity. It delivers exceptional performance with a throughput of 3.84 Tbps and a packet processing rate of 1.44 Bpps, while maintaining low latency from 3.8 us. Designed for efficiency and reliability, it includes rear to front air cooling, 2x AC power supplies with hot-swap capability, and 4 (N+1 redundant) hot-swap fans, housed in a compact 19 x 1.75 x 20.6” chassis.

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

  • What is the maximum number of 40GbE ports available on this device?
    The device supports up to 36 40GbE ports.
  • How does the 12x100GbE switch router accommodate network scalability?
    The 12x100GbE switch router facilitates network scalability by offering high-density 100GbE ports, allowing for significant expansion and bandwidth provisioning.
  • Can you explain the AlgoMatch technology feature?
    AlgoMatch technology enhances packet processing efficiency, allowing for advanced data searching and matching capabilities within the network infrastructure.
  • What airflow direction is supported by this hardware?
    This hardware supports rear to front air flow, ensuring optimal cooling for high-performance operations.
  • How many power supplies does the system have, and what is their redundancy configuration?
    The system is equipped with 2 AC power supplies configured for 1+1 redundancy, ensuring uninterrupted power supply.
  • What is the maximum throughput capacity of the switch?
    The switch offers a maximum throughput capacity of 3.84 Terabits per second (Tbps).
  • What type of CPU is integrated into this device?
    The device is powered by a Quad-Core x86 CPU, providing efficient processing capabilities.
  • Describe the device's system memory and its upgrade options.
    The device comes with 8 GB of system memory, with an option to upgrade to 32 GB for enhanced performance.
  • How many USB ports are available on this device?
    There are 2 USB ports available for peripheral connectivity and management.
  • What are the typical and maximum power draw values for this device?
    The typical power draw is 419W, while the maximum power draw can reach up to 570W.

Product Review

The Arista DCS-7280QRA-C36S-R offers impressive versatility with its configuration, supporting up to 36x40GbE QSFP+ or 18x40GbE and 12x100GbE switch router capabilities, catering to high-density networking requirements. However, the system might be limited by its base 8 GB of system memory, although an upgrade to 32 GB is available for more demanding applications. Additionally, the switch's throughput and latency figures, at 3.84 Tbps and as low as 3.8 microseconds respectively, ensure high performance for data-intensive tasks, though the initial cost and power consumption may be considerations for some deployments.


The Arista DCS-7280QRA-C36S-R is a high-capacity switch router designed to meet the demands of modern data centers and high-performance computing environments. It offers a flexible combination of 40GbE and 100GbE ports, making it suitable for a wide range of applications, including spine and leaf deployments, data center interconnect (DCI), and high-frequency trading environments. This switch router provides up to 36x40GbE QSFP+ ports that can be configured as 18x40GbE ports, enhancing connectivity options. Additionally, it supports up to 12x100GbE ports, allowing for high-density, high-bandwidth deployments. The flexibility in port configuration means the device can support a maximum of 36 40GbE ports, 48 25GbE ports, or 120 10GbE ports, providing scalability and adaptability to changing network requirements. The Arista DCS-7280QRA-C36S-R is equipped with the AlgoMatch technology, which enhances the efficiency of access control lists (ACL) and enables more complex and scalable network policies without compromising performance. This feature is particularly beneficial in environments requiring detailed and dynamic access control and network segmentation. Key hardware specifications include: - Throughput of 3.84 Tbps and a packet forwarding rate of 1.44 billion packets per second (Bpps), ensuring high-performance data transmission. - Low latency from 3.8 microseconds, minimizing delay and improving the speed of data processing and transmission. - A quad-core x86 CPU, with 8 GB of system memory standard and an optional upgrade to 32 GB, providing the processing power needed for complex network operations and applications. - Dual USB ports and 4 GB of flash storage memory for convenient system management and configuration storage. - Management and console ports, including a 100/1000 management port and an RS-232 serial port (RJ-45), for flexible management options. For reliability and uninterrupted operation, the device features: - Two hot-swap power supplies (1+1 redundant) and four hot-swap fans (N+1 redundant), ensuring continuous operation and easy maintenance without downtime. - A typical power draw of 419W and a maximum of 570W, with power supplies capable of delivering 747W AC and 1900W DC, balancing performance and energy efficiency. Physically, the Arista DCS-7280QRA-C36S-R measures 19 x 1.75 x 20.6 inches (48.3 x 4.4 x 52.3 cm) and weighs 23.6 lbs (10.7 kg), making it a compact yet powerful solution that fits easily into standard data center racks. Its design also supports rear to front air cooling, promoting efficient heat dissipation and supporting its deployment in a wide range of environments. Overall, the Arista DCS-7280QRA-C36S-R combines high-density port configuration, advanced features like AlgoMatch, and reliable hardware specifications to provide a versatile and high-performance networking solution for enterprise and cloud data centers.


Part Number and ManufacturerArista DCS-7280QRA-C36S-R
Port Configuration36 QSFP+ 40GbE or 18 dual-speed 40GbE/100GbE
Switching CapacitySwitch/Router with 12x100GbE ports
Matching TechnologyAlgoMatch for advanced packet matching
Cooling DirectionAirflow from rear to front
Power Supply UnitsTwo AC power supplies
Maximum Ports for 40GbE36 ports
Maximum Ports for 25GbE48 ports via breakout cables
Maximum Ports for 10GbE120 ports via breakout cables
Data Throughput (full-duplex)3.84 Terabits per second
Packet Processing Rate1.44 Billion packets per second
Minimum Network LatencyAs low as 3.8 microseconds
Processor TypeQuad-Core x86 CPU
Main Memory Capacity8GB, expandable to 32GB
Universal Serial Bus (USB) Ports2 ports
Non-Volatile Memory4GB Flash
Management Port Speed100/1000 Mbps
Serial InterfaceOne RS-232 port using RJ-45
Power RedundancyDual hot-swappable power supplies for 1+1 redundancy
Fan RedundancyFour hot-swappable fans for N+1 redundancy
Power ConsumptionTypical 419W, Maximum 570W
DimensionsWidth 19in, Height 1.75in, Depth 20.6in (48.3cm x 4.4cm x 52.3cm)
Unit Weight23.6 pounds (10.7 kilograms)
Available Power Supply RatingsAC Power: 747W, DC Power: 1900W

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