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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-R Arista switch features 48x10GbE (SFP+) and 6x100GbE QSFP ports, with a throughput of 2.16 Tbps and packets per second rate of 720 Mpps. It supports a maximum of 72x10GbE ports, 24x25GbE ports, 12x50GbE ports, and 6x40GbE ports, powered by a Quad-Core x86 CPU with 8 GB of system memory (expandable to 32 GB). Designed for efficiency, it includes rear to front air cooling, hot-swap power supplies, and hot-swappable fans, within a 19 x 1.75 x 16” chassis, drawing a typical power of 263W (max 381W).

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

  • What is the throughput capability of the 48x10GbE (SFP+) 6x100GbE QSFP switch?
    The switch offers a throughput of 2.16 Terabits per second (Tbps).
  • How many 40GbE ports does the switch support?
    It supports up to 6 Max 40GbE Ports.
  • What are the cooling options for this switch?
    This model features rear to front air cooling.
  • Can I expand the system memory beyond 8 GB?
    Yes, the system memory is expandable up to 32 GB.
  • What type of power supplies does the switch include?
    It comes with 2x AC power supplies, providing 1+1 redundancy.
  • How many USB ports are available?
    The switch has 2 USB ports.
  • What is the latency range of this switch?
    Latency starts from 3.8 microseconds.
  • Is the flash storage memory upgradable?
    The switch includes 4 GB of flash storage memory, which is fixed.
  • What type of management ports are included?
    It comes with a 100/1000 Mbps management port.
  • How many hot-swappable fans does the switch have?
    There are 4 hot-swappable fans, configured for N+1 redundancy.

Product Review

The Arista DCS-7280SR-48C6-R switch offers an impressive throughput of 2.16 Tbps and low latency starting from 3.8 microseconds, catering well to high-demand network environments. However, its base system memory is limited to 8 GB, though upgradeable to 32 GB, which may initially constrain performance in memory-intensive applications. Additionally, the switch's energy efficiency is notable, with a typical power draw of 263W, but the maximum power draw of 381W could be a concern for energy-sensitive deployments.


The Arista DCS-7280SR-48C6-R is a high-capacity switch designed for data centers and high-performance computing environments. This switch provides a combination of 48x10GbE (SFP+) and 6x100GbE (QSFP) ports, delivering flexibility in connectivity options for a variety of network demands. The switch supports a maximum of 12x50GbE, 6x40GbE, 24x25GbE, and 72x10GbE ports, allowing for a wide range of bandwidth and port speed configurations to meet different network requirements. With a throughput of 2.16 Tbps and the ability to process up to 720 million packets per second (Mpps), the Arista DCS-7280SR-48C6-R ensures efficient data flow and high-speed connectivity across the network. The switch features a low latency of just 3.8 microseconds, which is crucial for applications requiring real-time processing and high-speed data transmission. Powered by a quad-core x86 CPU and equipped with 8 GB of system memory, expandable to 32 GB, the switch is capable of handling complex network operations and multitasking without performance degradation. It also offers 4 GB of flash storage memory for firmware and configuration files, ensuring ample space for system requirements. Connectivity options include a 100/1000 management port and an RS-232 serial port (RJ-45), providing versatile management interfaces. For enhanced reliability, the Arista DCS-7280SR-48C6-R features hot-swappable power supplies and fans, ensuring uninterrupted operation and easy maintenance. The switch comes with two AC power supplies for redundancy and includes two C13-C14 cords. The 1+1 redundant power supplies and N+1 redundant fan system further contribute to the switch's high availability and operational resilience. The switch's compact design, measuring 19 x 1.75 x 16 inches (48.3 x 4.4 x 40.6 cm) and weighing 17.8 lbs (8.1 kg), makes it suitable for environments where space efficiency is critical. Despite its small form factor, it does not compromise on performance or capacity. Key features include:
  • Rear to front air cooling, ensuring optimal thermal management and reliability in various installation environments.
  • Typical power consumption of 263W, with a maximum draw of 381W, balancing performance with energy efficiency.
  • Two USB ports for additional connectivity and storage options, enhancing usability and flexibility in network management and operations.
The Arista DCS-7280SR-48C6-R is designed for networks that demand high bandwidth, low latency, and flexibility in port configurations. Its comprehensive feature set, combined with its high reliability and performance metrics, makes it an ideal solution for data centers, high-performance computing environments, and enterprise networks seeking to optimize their operations and support for future growth.


Item NumberArista DCS-7280SR-48C6-R
Configuration48x10G SFP+ ports, 6x100G QSFP+ ports
Airflow DirectionBack to Front
Power Units2 AC Supplies
Power Cables2 C13 to C14
Maximum 50G Ports12
Maximum 40G Ports6
Maximum 25G Ports24
Maximum 10G Ports72
Data Rate (full-duplex)2.16 Terabits per second
Rate of Packets720 Million packets per second
Network DelayAs low as 3.8 microseconds
ProcessorQuad-Core x86
Main Memory8 GB (Expandable to 32 GB)
USB Interfaces2
Storage for System4 GB Flash
Management Interface1x 100/1000 Base-T
Serial Interface1 RJ-45
Modular Power Supplies2 (with 1+1 redundancy)
Replaceable Fans4 (with N+1 redundancy)
Dimensions19 x 1.75 x 16 inches (48.3 x 4.4 x 40.6 cm)
Energy Consumption263W (Typical) / 381W (Maximum)
Mass17.8 pounds (8.1 kg)

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