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by Arista
Product Line: Arista DCS7050TX128F
Product Type: Switch
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Product Description

The DCS-7050TX-128-F Arista switch features 96x10GbE (1/10GBASE-T) ports and 8xQSFP+ ports for high-density connectivity, supporting a total throughput of 2.56 Tbps and a packet forwarding rate of 1440 Mpps. It is designed with a quad-core x86 CPU, 8 Gigabytes of system memory, and 12MB of dynamic buffer allocation, ensuring efficient data processing and low latency of 3usec from RJ45 to uplinks. The unit also incorporates dual AC power supplies, hot-swappable fans for reliability, and optional 100 Gigabytes SSD storage for enhanced performance and storage capabilities.

Key Feature for the DCS7050TX128F

  • What is the total number of 10GbE ports available on the switch?
    The switch features a total of 96 10GbE ports.
  • How does the 8xQSFP+ switch ensure efficient cooling?
    It utilizes front-to-rear air flow for efficient cooling.
  • What are the power supply specifications of this networking device?
    The device is equipped with 2xAC power supplies and includes 2xC13-C14 power cords.
  • What is the maximum throughput capacity of the 96x10GbE switch?
    The switch supports a maximum throughput of 2.56 Terabits per second.
  • How many total 40GbE ports does the device have?
    There are a total of 8 40GbE ports available.
  • What type of CPU is used in the switch?
    The switch is powered by a Quad-Core x86 CPU.
  • Can you detail the memory configuration of the device?
    It has 8 Gigabytes of system memory, 4 Gigabytes of flash storage memory, and an optional 100 Gigabytes SSD storage.
  • What is the switch's packet buffer memory size?
    The packet buffer memory is 12MB, with dynamic buffer allocation.
  • Describe the management and serial port options available.
    The switch has 2 10/100/1000 management ports and 1 RS-232 serial port (RJ-45).
  • What are the physical dimensions and weight of the switch?
    The switch measures 19 x 3.5 x 18.1 inches (48.3 x 8.8 x 45.9cm) and weighs 34.3lbs (15.6kg).

Product Review

The Arista DCS-7050TX-128-F offers high throughput and low latency, with a capacity of 2.56 Tbps and 3 microseconds latency from RJ45 to uplinks, catering to demanding network environments. However, its power consumption, peaking at 740W, might be a concern for energy-conscious deployments. Additionally, the switch's flexibility is enhanced by its support for up to 96 10GbE ports and 8 40GbE ports, along with optional SSD storage, making it suitable for various network configurations and storage needs.


The Arista DCS-7050TX-128-F stands out in the field of network switches with its comprehensive set of features designed to meet the demands of modern data centers and high-performance computing environments. This model boasts an impressive array of ports, including 96x10GbE (1/10GBASE-T) ports and 8xQSFP+ ports, ensuring a high level of connectivity and bandwidth for a variety of networking requirements. One of the core strengths of this switch is its throughput capacity, which reaches up to 2.56 Terabits per second (Tbps), combined with a packet processing capability of up to 1440 million packets per second (Mpps). This performance level is supported by a low latency of 3 microseconds from RJ45 to uplinks, making the DCS-7050TX-128-F an efficient choice for environments where speed and reliability are paramount. At the heart of the DCS-7050TX-128-F is a quad-core x86 CPU, complemented by 8 Gigabytes of system memory and 4 Gigabytes of flash storage memory. For applications requiring additional storage, there is an option to include a 100 Gigabyte SSD. The switch is also equipped with a dynamic packet buffer memory of 12MB, optimizing the management of data flow and minimizing packet loss. Connectivity options include two 10/100/1000 management ports and one RS-232 serial port (RJ-45), facilitating easy management and configuration. For enhanced reliability, the switch features dual hot-swap power supplies and four hot-swappable fans, both designed with redundancy to ensure uninterrupted operation. The power supply configuration is 2xAC with 2xC13-C14 cords, supporting a typical power draw of 570W and a maximum of 740W. The Arista DCS-7050TX-128-F is designed with a front-to-rear air flow scheme, promoting efficient cooling and maintaining optimal performance even under heavy loads. Its physical dimensions are 19 x 3.5 x 18.1 inches (48.3 x 8.8 x 45.9cm), and it weighs 34.3lbs (15.6kg), making it suitable for standard rack-mount installations. Key features include:
  • High-density 10GbE ports (96) and QSFP+ ports (8) for flexible connectivity.
  • Advanced performance with 2.56 Tbps throughput and 1440 Mpps.
  • Redundant power supplies and fans for enhanced reliability.
In summary, the Arista DCS-7050TX-128-F is engineered to cater to the intensive demands of contemporary network infrastructures, delivering high-speed connectivity, superior performance, and reliability. Its extensive feature set, coupled with advanced hardware specifications, positions it as a leading solution for organizations aiming to optimize their networking capabilities.


Item Number Arista DCS-7050TX-128-F
Manufacturer Arista
Gigabit Ethernet Ports 96x10GbE (1/10GBASE-T)
40GbE QSFP+ Ports 8
Airflow Direction Front-to-Back
Power Supplies Included 2 AC Units
Power Cables 2xC13-C14
40GbE Interface Count 8
10GbE Interface Count 96
Supported Ethernet Speeds 100M/1G/10GBASE-T (RJ45) for 96 Ports
Data Transfer Capacity 2.56 Terabits per second
Processing Rate 1.44 Billion Packets per Second
Latency from RJ45 to Uplinks 3 Microseconds
Processor Type Quad-Core x86 Architecture
Main Memory 8GB RAM
Internal Flash Memory 4GB
Optional SSD Storage Up to 100GB
Packet Buffer Size 12MB with Dynamic Allocation
Management Ethernet Ports 2x10/100/1000 Base-T
Serial Interface 1xRS-232 (RJ-45)
Redundant Power Supplies Yes, 2 (1+1 Configuration)
Redundancy for Cooling Fans Yes, 4 (N+1 Configuration)
Power Consumption (Typical/Maximum) 570W / 740W
Dimensions 19 x 3.5 x 18.1 inches (48.3 x 8.8 x 45.9 cm)
Unit Weight 34.3 pounds (15.6 kg)

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