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by Arista
Product Line: Arista 7260X Series
Product Type: Data Center Switches
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Product Description

The DCS-7260QX-64-R is equipped with 64x40GbE QSFP+ ports and 2xSFP+ ports, providing high-density connectivity options. It supports flexible port speeds ranging from 10G to 100G on all ports, with the capability to expand up to 128x10G, 25G, or 50G using breakout cables, and boasts a switching capacity of up to 12.8 terabits per second with a forwarding rate of up to 4.2 billion packets per second. The switch is engineered for efficiency with N+1 redundant & hot-swappable fans, 1+1 redundant & hot-swappable power supplies, and supports both front-to-rear and rear-to-front cooling options to adapt to various data center requirements.

FAQs for the DCS-7260QX-64-R

  • What is the maximum 10G, 25G, or 50G connectivity available on the 7260CX3-64 and 7260CX3-64E switches?
    Answer: Up to 128 connections using breakout cables.
  • How do the 7260CX3-64 and 7260CX3-64E ensure efficient cooling?
    Answer: They offer front-to-rear or rear-to-front cooling options.
  • What is the maximum forwarding rate of the 7260CX3-64 and 7260CX3-64E switches?
    Answer: Up to 4.2 billion packets per second.
  • Describe the power efficiency and redundancy features of the 7260CX3-64 and 7260CX3-64E.
    Answer: They have over 93% efficient power supplies with 1+1 redundant & hot-swappable power and N+1 redundant & hot-swappable fans.
  • What networking protocols and features are supported by the 7260CX3-64 and 7260CX3-64E?
    Answer: They support VXLAN, VM Tracer, OpenFlow, DirectFlow, and eAPI.
  • What is the latency range for the 7260CX3-64 and 7260CX3-64E switches?
    Answer: Latency starts from 450ns.
  • How does the 7260CX3-64 and 7260CX3-64E accommodate different speeds on its ports?
    Answer: They offer flexible 10G to 100G support on all ports, allowing for a combination of speeds including 10G, 25G, 40G, 50G.
  • What are the rack installation features of the 7260CX3-64 and 7260CX3-64E?
    Answer: They come with tool-less rails for simple installation.
  • Can the 7260CX3-64 and 7260CX3-64E switches handle wire-speed L2 and L3 forwarding?
    Answer: Yes, they are capable of wire speed L2 and L3 forwarding.
  • What are the MAC, IPv4 Route, and IPv4 Host Route capacities of the 7260CX3-64 and 7260CX3-64E?
    Answer: They have 264K MAC entries, 180K IPv4 Routes, and 200K IPv4 Host Routes.

Product Review

The Arista DCS-7260QX-64-R offers high-density connectivity with 64 QSFP100 ports, supporting a flexible range of speeds from 10G to 100G, making it suitable for diverse networking needs. However, the complexity of managing such a wide array of port configurations may pose a challenge for network engineers. Additionally, its support for up to 12.8 terabits per second and advanced features like VXLAN, DirectFlow, and robust monitoring capabilities are offset by potential concerns over the initial setup and configuration for those not familiar with Arista's ecosystem.


The Arista DCS-7260QX-64-R is a high-performance switch designed to meet the demands of modern data centers and high-bandwidth applications. It features 64x40GbE QSFP+ ports and 2xSFP+ ports, providing a versatile platform for a variety of network configurations. This switch is part of the Arista 7260X series, which includes models like the 7260CX3-64 and 7260CX3-64E, both offering 64x QSFP100 ports for enhanced connectivity options. This device supports a flexible range of speeds, from 10G to 100G, on all ports, catering to diverse network requirements. It enables up to 128 connections at 10G, 25G, or 50G using breakout cables, maximizing port utilization and providing scalability. The switch boasts an impressive throughput of up to 12.8 terabits per second and a packet processing capability of up to 4.2 billion packets per second, ensuring efficient handling of high traffic volumes without bottlenecks. Key hardware features include: - Wire speed Layer 2 and Layer 3 forwarding, ensuring rapid data transmission across the network. - Low latency, starting from 450ns, minimizing delay for time-sensitive applications. - A compact 2RU form factor with 64 QSFP100 ports, optimizing space usage in data centers. The Arista DCS-7260QX-64-R also emphasizes reliability and ease of maintenance. It includes 1+1 redundant and hot-swappable power supplies and N+1 redundant and hot-swappable fans, guaranteeing uninterrupted operation and simple serviceability. The switch offers front-to-rear or rear-to-front cooling options, catering to different data center layouts and ensuring optimal thermal management. Installation is straightforward, thanks to tool-less rails, allowing for quick and efficient setup. The switch's power efficiency is notable, with power supplies operating at over 93% efficiency, reducing operational costs and supporting sustainable networking practices. For network management and virtualization, the switch supports VXLAN and VM Tracer, along with OpenFlow, DirectFlow, and eAPI for advanced network programmability and automation. These features facilitate flexible network configurations and efficient resource utilization. The switch's capacity for handling large address tables is evident in its support for 264K MAC entries, 180K IPv4 Routes, and 200K IPv4 Host Routes. This capability ensures comprehensive network scalability and the ability to support extensive virtualized environments. In summary, the Arista DCS-7260QX-64-R switch combines high-density 100GbE connectivity with superior power efficiency and advanced features for network monitoring and automation. It offers a flexible combination of speeds to meet various networking demands, from 10G to 100G, across its ports. With its robust packet processing and forwarding capabilities, low latency, and comprehensive support for network virtualization and programmability, this switch is equipped to handle the complexities of modern data center networks, making it an ideal solution for organizations looking to optimize their network infrastructure.


Part Number and Manufacturer Arista DCS-7260QX-64-R
Configuration 64x40G QSFP+ & 2xSFP+ ports
Airflow Direction Rear-to-front
Model Variants 7260CX3-64: 64x QSFP100, 7260CX3-64E: 64x QSFP100
Port Flexibility Supports 10G to 100G speeds on all ports
Breakout Cable Support Enables up to 128 x 10G, 25G, or 50G connections
Switching Capacity Maximum 12.8 Tbps
Forwarding Rate Maximum 4.2 billion pps
Forwarding Performance Full wire-speed L2 and L3 operations
Network Latency Minimum 450 nanoseconds
Form Factor 64 QSFP100 ports in a 2RU size
Power Efficiency Exceeds 93% efficiency
Power Redundancy 1+1 configuration, hot-swappable
Fan Redundancy N+1 configuration, hot-swappable
Cooling Options Supports both front-to-rear and rear-to-front airflow schemes
Installation Tool-less rail mounting for easy setup
Networking Protocols Supports VXLAN, VM Tracer, OpenFlow, DirectFlow, and eAPI
MAC Address Table Size 264K entries
IPv4 Routing Entries 180K routes
IPv4 Host Routes 200K entries
Features Enhanced monitoring and automation functionalities
Performance Highlights Optimal 100GbE port density with top-tier efficiency
Speed Options Versatile speed configurations: 10G, 25G, 40G, 50G
Included Accessories 2x C13-C14 power cords

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