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by Arista
Product Line: Arista Networks
Product Type: Switch
Original price $0.00 - Original price $9,265.00
Original price
$0.00 - $9,265.00
Current price $9,265.00
Title: Used

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Product Description

The DCS-7050SX2-128-R Arista switch features a high-density configuration with 96xSFP+ and 8xQSFP+ ports, delivering a total throughput of 2.56 Tbps and a forwarding rate of 1440 Mpps. It is designed with rear-to-front airflow, dual AC power supplies for redundancy, and supports an operating temperature range from 0 to 40°C. The system is powered by a Quad-Core x86 CPU, with 8 Gigabytes of system memory, 4 Gigabytes of flash storage memory, and 16MB of packet buffer memory, ensuring efficient data processing and reliability.

Key Feature for the DCS7050SX2128R

  • What is the total number of 10GbE ports available on the switch?
    The switch features a total of 96 10GbE ports.
  • How does the airflow direction in the 96xSFP+ & 8xQSFP+ switch work?
    The switch is designed with rear-to-front airflow to ensure efficient cooling.
  • Can the power supplies in the switch be replaced while the system is running?
    Yes, the switch includes 2 AC power supplies that are hot-swappable, allowing for replacement without system downtime.
  • What are the dimensions of the 96xSFP+ & 8xQSFP+ switch?
    The switch measures 19 x 3.5 x 18.1 inches (48.3 x 8.8 x 45.9cm).
  • What is the system memory capacity of the switch?
    The switch is equipped with 8 Gigabytes of system memory.
  • What is the maximum power consumption of the 96xSFP+ & 8xQSFP+ switch?
    The maximum power consumption of the switch is 396W.
  • How many USB ports are available on the switch?
    The switch has 1 USB port.
  • What is the throughput capability of the 96xSFP+ & 8xQSFP+ switch?
    The switch is capable of a throughput of 2.56 Tbps.
  • What type of CPU is installed in the switch?
    The switch is powered by a Quad-Core x86 CPU.
  • What are the operating temperature limits for the 96xSFP+ & 8xQSFP+ switch?
    The operating temperature range for the switch is 0 to 40°C (32 to 104°F).

Product Review

The Arista DCS-7050SX2-128-R offers a high-throughput capacity of 2.56 Tbps and a packet processing rate of 1440 Mpps, making it suitable for environments demanding high performance and low latency, with a measured latency of 550 ns. However, its cooling design with rear-to-front airflow and operational temperature range of 0 to 40°C may limit placement options in certain data center configurations. Additionally, the switch supports a substantial number of 10GbE (96) and 40GbE (8) ports within a 1U form factor, but the reliance on dual AC power supplies without an option for DC may affect its applicability in environments with specific power requirements.


The Arista DCS-7050SX2-128-R is a high-performance networking switch designed to meet the demands of modern data centers and high-bandwidth applications. This switch provides a combination of speed, flexibility, and efficiency, making it an ideal choice for environments requiring high throughput and low latency. At the core of the DCS-7050SX2-128-R's capabilities are its 96 SFP+ ports and 8 QSFP+ ports. This configuration allows for a total of 8 40GbE ports and 96 10GbE ports, providing ample connectivity options for various network designs and architectures. The switch's throughput capacity reaches 2.56 Terabits per second (Tbps), with a packet forwarding rate of 1440 Million packets per second (Mpps), ensuring swift data transmission across the network. Additionally, it boasts a low latency of 550 nanoseconds, further enhancing its performance for latency-sensitive applications. The hardware specifications of the DCS-7050SX2-128-R include a quad-core x86 CPU, 8 Gigabytes of system memory, and 4 Gigabytes of flash storage memory. It also features a 16MB packet buffer memory, designed to handle sudden bursts of data traffic efficiently. For management and connectivity, the switch provides two 10/100/1000 management ports, one RS-232 serial port (RJ-45), and one USB port, facilitating various management and operational tasks.
  • Hot-swappable components, including two AC power supplies and four fans, offer redundancy and reliability, ensuring uninterrupted operation.
  • The switch operates efficiently, with typical power consumption at 214 Watts and a maximum of 396 Watts, demonstrating its energy efficiency.
  • Designed with rear-to-front airflow, it supports optimal cooling and performance continuity in different mounting configurations.
The physical dimensions of this switch are 19 inches in width, 3.5 inches in height, and 18.1 inches in depth, with a weight of 33 pounds (15.1kg), making it suitable for standard rack mounting in data centers. It operates within a temperature range of 0 to 40°C (32 to 104°F) and can be stored in temperatures from -25 to 70°C (-13 to 158°F). The switch's relative humidity tolerance ranges from 5 to 95%, accommodating various environmental conditions. In summary, the Arista DCS-7050SX2-128-R is engineered to support high-density networking environments with its extensive port configuration, high throughput, and low latency. It's equipped with advanced features for reliability, including redundant power supplies and fans, and is built for efficiency with its energy consumption metrics. This switch is suited for data centers and enterprises looking for a scalable, high-performance networking solution to support their growing operational needs.


Item Number and Manufacturer Arista DCS-7050SX2-128-R
Switch Ports Configuration 96xSFP+ & 8xQSFP+
Airflow Direction Rear-to-Front
Power Supply Design Dual AC Units
40GbE Ports Total 8
10GbE Ports Total 96
Data Transfer Rate 2.56 Terabits per second
Rate of Packets 1440 Million packets per second
Network Latency 550 nanoseconds
Processor Type Quad-Core x86
Main Memory Capacity 8 Gigabytes
Flash Storage Capacity 4 Gigabytes
Packet Buffer Size 16MB
Management Interface 2x 10/100/1000
Serial Interface 1x RS-232 (RJ-45)
USB Interface 1
Power Supplies Hot-Swappable 2 (1+1 Redundant)
Fans Hot-Swappable 4 (N+1 Redundant)
Power Consumption (Typical/Max) 214W / 396W
Dimensions (Width x Height x Depth) 19 x 3.5 x 18.1 inches (48.3 x 8.8 x 45.9cm)
Product Weight 33 pounds (15.1kg)
Operational Temperature Range 0 to 40°C (32 to 104°F)
Storage Temperature Range -25 to 70°C (-13 to 158°F)
Air Humidity Tolerance 5 to 95%

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