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by Arista
Product Line: Arista 7280SR Series
Product Type: Data Center Switch
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Original price $0.00 - Original price $0.00
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Product Description

The DCS-7280SR-48C6-M-R is a high-capacity switch featuring 48x10GbE (SFP+) ports and 6x100GbE QSFP ports, designed for efficient network scaling with a maximum throughput of 2.16 Tbps and a packet processing capability of 720 Mpps. It offers versatile connectivity with up to 12 50GbE, 6 40GbE, 24 25GbE, and 72 10GbE ports, supported by a quad-core x86 CPU and 8 GB of system memory (expandable to 32 GB). The unit is engineered for reliability, featuring rear to front air flow, hot-swap power supplies, and hot-swappable fans, within a compact form factor of 19 x 1.75 x 16 inches and a weight of 17.8 lbs.

FAQs for the DCS-7280SR-48C6-M-R

  • What is the maximum number of 10GbE ports available on the switch?
    The maximum number of 10GbE ports available is 72.
  • How does the 48x10GbE (SFP+) switch ensure system reliability?
    The switch ensures system reliability through 1+1 redundant hot-swap power supplies and N+1 redundant hot-swappable fans.
  • What are the maximum 40GbE and 50GbE port capacities of the switch?
    The maximum capacities are 6 for 40GbE ports and 12 for 50GbE ports.
  • Can you detail the CPU and system memory specifications for the 6x100GbE QSFP switch?
    The switch is equipped with a Quad-Core x86 CPU and comes with 8 GB of system memory, which is upgradable to 32 GB.
  • What is the throughput and packets per second rate of the switch?
    The switch supports a throughput of 2.16 Tbps and processes up to 720 million packets per second.
  • Does the 48x10GbE (SFP+) switch support USB connectivity?
    Yes, the switch includes 2 USB ports for connectivity.
  • What are the dimensions and weight of the switch?
    The dimensions are 19 x 1.75 x16 inches (48.3 x 4.4 x40.6cm) and it weighs 17.8lbs (8.1kg).
  • What type of cooling airflow direction does the 6x100GbE QSFP switch use?
    The switch uses a rear to front air cooling airflow direction.
  • How much flash storage memory is available on the switch?
    The switch comes with 4 GB of flash storage memory.
  • What power consumption figures should be expected with the 48x10GbE (SFP+) switch?
    The typical power draw is 263W, with a maximum of 381W.

Product Review

The Arista DCS-7280SR-48C6-M-R offers a high throughput of 2.16 Tbps and low latency starting from 3.8 microseconds, catering to demanding network environments with its diverse port configuration, including 48x10GbE and 6x100GbE ports. However, the standard system memory is 8 GB, which might require upgrading to 32 GB for memory-intensive applications, adding to the total cost of ownership. Additionally, while the switch supports hot-swappable power supplies and fans for increased reliability, its maximum power draw of 381W could be a concern for energy-conscious deployments.


The Arista DCS-7280SR-48C6-M-R is designed to meet the demands of high-speed data centers, incorporating a mix of 10GbE, 40GbE, and 100GbE ports to accommodate a variety of networking requirements. This switch provides 48 10GbE (SFP+) ports and 6 100GbE (QSFP) ports, making it a versatile platform for high-density networking environments. In terms of performance, the switch offers a throughput of 2.16 Tbps and can handle up to 720 million packets per second (Mpps), ensuring efficient data processing and transfer rates. Latency is minimized, starting from 3.8 microseconds, which enhances the speed at which data travels across the network, crucial for applications requiring real-time processing. The hardware specifications reveal a quad-core x86 CPU at the heart of the device, supported by 8 GB of system memory, which can be expanded to 32 GB for more demanding applications. Storage capabilities include 4 GB of flash memory for firmware and configuration files. Additionally, it features two USB ports for external storage or devices, a management port for network management tasks, and an RS-232 serial port for console access. Connectivity and expansion options are generous, with the switch supporting up to 12 50GbE ports, 6 40GbE ports, 24 25GbE ports, and a maximum of 72 10GbE ports through breakout cables. This scalability allows organizations to adapt the switch to evolving network requirements without significant hardware changes.
  • Rear to front airflow design ensures efficient cooling for all internal components, maintaining optimal performance even under heavy loads.
  • Equipped with two AC power supplies and two C13-C14 cords, it provides redundant power to safeguard against failures, ensuring uninterrupted operation.
  • Hot-swappable power supplies and fans contribute to the system’s reliability, allowing maintenance or replacements without disrupting network services.
  • The physical dimensions of the switch are 19 inches in width, 1.75 inches in height, and 16 inches in depth, fitting into standard data center racks with a 1U form factor. It weighs 17.8lbs (8.1kg), making it relatively easy to handle during installation or maintenance. Power efficiency is a key aspect of the DCS-7280SR-48C6-M-R, with a typical power draw of 263W and a maximum of 381W under full load. This efficiency helps reduce operational costs and supports organizations in achieving their energy consumption goals. In summary, the Arista DCS-7280SR-48C6-M-R is a high-capacity, low-latency switch designed for scalable data center networks. It offers a wide range of port speeds and densities, advanced cooling and power features, and the performance needed to support demanding network environments. Its expandable memory and storage options, along with redundant systems for power and cooling, make it a reliable choice for organizations looking to optimize their network infrastructure for speed and reliability.


    Item Number and Maker Arista DCS-7280SR-48C6-M-R
    Ports Configuration 48x10GbE SFP+ and 6x100GbE QSFP
    Airflow Direction Rear to Front
    Power Supply Units 2 AC Units
    Power Cables 2 C13-C14 cables
    Maximum 50GbE Ports 12
    Maximum 40GbE Ports 6
    Maximum 25GbE Ports 24
    Maximum 10GbE Ports 72
    Data Throughput (full-duplex) 2.16 Terabits per second
    Rate of Packets 720 Million packets per second
    Network Latency As low as 3.8 microseconds
    Processor Type Quad-Core x86 Processor
    Main Memory 8 GB, upgradable to 32 GB
    USB Interface Ports 2 Ports
    Internal Storage Capacity 4 GB Flash Memory
    Management Port 1x 100/1000Base-T
    Serial Interface 1 RJ-45 RS-232 Port
    Power Supply Redundancy 2 Modules (1+1 Redundancy)
    Fan Redundancy 4 Fans (N+1 Redundancy)
    Dimensions 19 x 1.75 x 16 inches (48.3 x 4.4 x 40.6 cm)
    Power Consumption Typical 263W / Maximum 381W
    Device Weight 17.8 pounds (8.1 kg)

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