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by Arista
Product Line: Arista 7260CX Series
Product Type: Data Switch Router
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Product Description

The DCS-7260CX-64-R is a high-capacity switch offering 64x100GbE QSFP ports and 2xSFP+ ports, designed for efficient data center operations with rear-to-front air cooling. It delivers exceptional performance with a throughput of 12.8Tbps and packets per second rate of 9.52 Bpps, supported by a Dual-Core i7 x86 CPU and 8 Gigabytes of system memory. The switch features hot-swappable power supplies and fans for redundancy, 2xAC power supply with 2xC19-C20 cords, and a maximum power draw of 2090W, encapsulated in a 19 x 3.5 x 18 inches chassis weighing 44.1lbs.

FAQs for the DCS-7260CX-64-R

  • What is the maximum number of 100GbE ports available on the 64x100GbE QSFP switch?
    The maximum number of 100GbE ports is 64.
  • How many SFP+ ports does the 2xSFP+ switch include?
    It includes 2 SFP+ ports.
  • What airflow direction does the switch support?
    The switch supports rear-to-front air flow.
  • How many AC power supplies are included with the switch?
    There are 2 AC power supplies included.
  • What type of power cords come with the switch?
    It comes with 2xC19-C20 power cords.
  • What is the maximum throughput capacity of the switch?
    The maximum throughput capacity is 12.8Tbps.
  • How many packets per second can the switch handle?
    It can handle up to 9.52 billion packets per second (Bpps).
  • What is the range of latency the switch operates within?
    The latency ranges from 550 to 1500ns.
  • Can you detail the CPU specifications of the switch?
    The switch is equipped with a Dual-Core i7 x86 CPU.
  • What are the memory specifications for system and flash storage?
    The switch has 8 Gigabytes of system memory and 4 Gigabytes of flash storage memory.

Product Review

The Arista DCS-7260CX-64-R offers high-density connectivity with 64x100GbE QSFP ports and extensive scalability options up to 258 10GbE ports, catering to demanding data center environments. However, its power consumption, peaking at 2090W, may pose challenges for energy-conscious deployments. Additionally, the switch's latency range of 550 to 1500ns, while adequate for many applications, might not meet the needs of ultra-low latency requirements.


The Arista DCS-7260CX-64-R is a high-performance switch designed to meet the demanding requirements of modern data centers and high-density networking environments. This switch offers a comprehensive set of features and capabilities, making it an ideal solution for a wide range of applications, including large-scale cloud computing, high-frequency trading, and high-performance computing. At the core of its hardware specifications, the Arista DCS-7260CX-64-R boasts 64 100GbE QSFP ports, providing a massive bandwidth capacity to handle large amounts of data traffic. This is augmented with 2 SFP+ ports, increasing its versatility to support additional network configurations. The switch is designed with a rear-to-front airflow scheme to ensure optimal cooling, supporting stable operation under various conditions. Powering the Arista DCS-7260CX-64-R are two AC power supplies, complete with two C19-C20 cords, ensuring a reliable power source with redundancy to maintain uptime during critical operations. The switch's power efficiency is also noteworthy, with a typical power draw of 1672W and a maximum of 2090W under full load. One of the most significant advantages of this switch is its scalability in terms of port density. It can support up to 64 40GbE ports, or up to 256 25GbE ports when using breakout cables (4x25G), and even up to 258 10GbE ports (64 4x10 & 2xSFP+) for extensive connectivity options. Additionally, there are 2 1GbE ports available for management or other low-bandwidth requirements. In terms of performance, the Arista DCS-7260CX-64-R delivers a throughput of 12.8Tbps and a packet processing capability of 9.52 billion packets per second (Bpps), ensuring efficient data handling even under heavy loads. Latency is kept low, ranging from 550 to 1500 nanoseconds, minimizing delay and enhancing the performance of time-sensitive applications. The switch is equipped with a dual-core i7 x86 CPU and comes with 8 gigabytes of system memory and 4 gigabytes of flash storage memory, providing robust processing power and storage for the switch's operating system and applications. Connectivity options include a 100/1000 management port, an RS-232 serial port (RJ-45), and a USB port, facilitating easy management and configuration. For reliability, the Arista DCS-7260CX-64-R features hot-swappable power supplies and fans, with 2 (1+1 redundant) power supplies and 4 (N+1 redundant) fans, ensuring continuous operation and minimal downtime for maintenance.
  • Throughput: 12.8Tbps
  • Latency: 550 to 1500ns
  • Weight: 44.1lbs (20.0kg)
Measuring 19 x 3.5 x 18 inches and weighing 44.1lbs, the switch is designed for easy integration into standard racks, combining high-density networking capabilities with a compact form factor. This combination of high performance, extensive connectivity options, and reliable operation makes the Arista DCS-7260CX-64-R a comprehensive solution for advanced networking requirements.


Item NumberDCS-7260CX-64-R
Connectivity64 x 100G QSFP, 2 x SFP+
Airflow DirectionBack to Front
Power Supplies Included2 x AC
Power Cables2 x C19 to C20
Maximum 40GbE Interfaces64
Maximum 25GbE Interfaces256 (via 4x25G breakout)
Maximum 10GbE Interfaces258 (64 via 4x10G & 2 via SFP+)
Maximum 1GbE Interfaces2
Data Throughput Capacity12.8 Terabits per second
Forwarding Rate9.52 Billion packets per second
Network Latency550 to 1500 nanoseconds
ProcessorDual-Core Intel i7 (x86 architecture)
Main Memory8 GB RAM
Internal Storage4 GB Flash
Management Interface1 x 100/1000Base-T
Serial Console Port1 (RJ-45)
USB Interface1
Redundant Power Modules2 (1+1 configuration)
Redundant Fan Modules4 (N+1 configuration)
Power Consumption (Typical/Max)1672W / 2090W
Dimensions19 x 3.5 x 18 inches (48.3 x 8.8 x 45.7 cm)
Unit Weight44.1 pounds (20.0 kg)

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