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by Arista
Product Line: Arista Networks
Product Type: Switch
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Original price $0.00 - Original price $28,595.00
Original price
$0.00 - $28,595.00
Current price $0.00
Title: Surplus

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Product Description

The DCS-7280CR2A-30-F is a 30x100GbE QSFP switch that supports up to 60x50GbE, 30x40GbE, 120x25GbE, and 120x10GbE ports, designed for high-density networking environments. It features AlgoMatch technology, 6 Tbps throughput, and a 2.51 Bpps packet processing rate, with a latency starting at 3.8 us. The switch is equipped with a multi-core x86 CPU, 32 GB of system memory, 4 GB of flash storage, and dual AC hot-swap power supplies, ensuring continuous operation and reliability in data centers.

Key Feature for the DCS-7280CR2A-30-F

  • What is the throughput capacity of the 30x100GbE QSFP switch?
    The switch has a throughput capacity of 6 Tbps (terabits per second).
  • Does the 30x100GbE QSFP switch support AlgoMatch technology?
    Yes, the switch supports AlgoMatch technology, enhancing packet processing efficiency.
  • How much system memory is available on this device?
    The device comes with 32 Gigabytes of system memory.
  • What type of air flow does the switch support?
    The switch supports front to rear air flow for cooling.
  • Can the 30x100GbE QSFP switch's power supplies be replaced while the device is running?
    Yes, it features 2 hot-swap power supplies for 1+1 redundant power, allowing replacement without downtime.
  • What is the maximum number of 25GbE ports available on this switch?
    The maximum number of 25GbE ports available is 120.
  • What is the latency range for the 30x100GbE QSFP switch?
    Latency ranges from 3.8 microseconds.
  • How many USB ports does the switch have?
    The switch has 1 USB port.
  • What are the dimensions of the 30x100GbE QSFP switch?
    The dimensions are 19 x 1.71 x 26.4 inches (48.3 x 4.4 x 67 cm).
  • What is the typical and maximum power draw of the device?
    The typical power draw is 565W, and the maximum power draw is 750W.

Product Review

The Arista DCS-7280CR2A-30-F switch offers impressive throughput and packet processing capabilities, with a 6 Tbps forwarding rate and 2.51 billion packets per second, suitable for high-density, high-performance network environments. However, its latency starts at 3.8 microseconds, which, while competitive, may not be the lowest available on the market. Additionally, the switch supports a versatile range of Ethernet speeds and a significant expansion in memory, though its power consumption peaks at 750W, which could impact operational costs in large-scale deployments.


The Arista DCS-7280CR2A-30-F is a high-performance switch designed to meet the demands of modern data centers, cloud computing, and high-frequency trading environments. It features 30x100 Gigabit Ethernet QSFP ports, providing a flexible and scalable network infrastructure capable of supporting a large number of high-speed connections. This switch is equipped with Arista's AlgoMatch technology, which enhances the efficiency of access control lists and enables more sophisticated data plane programming. One of the key highlights of this switch is its expandable memory, allowing for future upgrades and ensuring longevity and adaptability in evolving network environments. The switch is designed with front-to-rear airflow, supporting efficient cooling and reliable operation in dense rack configurations. It comes with dual AC power supplies for redundancy, minimizing downtime due to power failures. The Arista DCS-7280CR2A-30-F offers impressive scalability in terms of port density: - It can support up to 60x50 Gigabit Ethernet ports, - Up to 30x40 Gigabit Ethernet ports, - A maximum of 120x25 Gigabit Ethernet ports, - And up to 120x10 Gigabit Ethernet ports. This versatility makes it an ideal choice for organizations looking to future-proof their network infrastructure. The switch boasts a throughput of 6 Terabits per second (full-duplex) and a packet processing capability of 2.51 billion packets per second, ensuring high performance and low latency across all ports. Latency is as low as 3.8 microseconds, further emphasizing its capability in environments where speed is critical. Powered by a multi-core x86 CPU and equipped with 32 Gigabytes of system memory, the Arista DCS-7280CR2A-30-F is designed to handle demanding network tasks efficiently. It also features a USB port and 4 GB of flash storage memory for software upgrades and configurations. For management, it includes one 100/1000 management port and one RS-232 serial port (RJ-45), facilitating easy integration and monitoring. The switch's reliability is enhanced by its redundant power supplies and fans. It has two hot-swap power supplies (1+1 redundant) and five hot-swap fans (N+1 redundant), ensuring continuous operation and easy maintenance. Physically, the Arista DCS-7280CR2A-30-F measures 19 inches in width, 1.71 inches in height, and 26.4 inches in depth, making it suitable for standard rack installations. It weighs 34.2 pounds (15.5 kg), balancing durability with ease of handling. The switch's power consumption is efficient, with a typical power draw of 565 Watts and a maximum of 750 Watts, reflecting its design for energy efficiency in high-demand environments. In summary, the Arista DCS-7280CR2A-30-F is a versatile, high-capacity switch designed for critical network applications where performance, reliability, and scalability are paramount. It is an ideal solution for enterprises and service providers looking to build or upgrade their network infrastructure to support current and future demands.


Item Number DCS-7280CR2A-30-F
Manufacturer Arista
Description Switch with 30x100 Gigabit Ethernet QSFP Ports
Technology AlgoMatch for advanced packet matching
Memory Expansion Available
Airflow Direction From front to rear
Power Supplies Dual AC Units
Maximum 50GbE Interfaces 60
Maximum 40GbE Interfaces 30
Maximum 25GbE Interfaces 120
Maximum 10GbE Interfaces 120
Full-Duplex Throughput 6 Terabits per second
Packet Processing Rate 2.51 Billion packets per second
Network Latency Minimum of 3.8 microseconds
Processor Type x86 Multi-core
Main Memory 32 GB
USB Interface Single Port
Storage Capacity 4 Gigabytes Flash
Management Interface 1x 100/1000 Base-T
Serial Interface 1x RS-232 (RJ-45 connector)
Redundant Power Supply Units 2 (1+1 configuration)
Fan Modules 5 (N+1 configuration for redundancy)
Dimensions 19 x 1.71 x 26.4 inches (48.3 x 4.4 x 67 cm)
Power Consumption Typical 565W / Maximum 750W
Device Weight 34.2 pounds (15.5 kg)

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