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by Arista
Product Line: ARISTA DCS-7050SX-128-R
Product Type: Switch
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Original price $0.00 - Original price $3,983.00
Original price
$0.00 - $3,983.00
Current price $0.00
Title: Surplus

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Product Description

The DCS-7050SX-128-R is a high-performance switch featuring 96xSFP+ and 8xQSFP+ ports, providing a total of 96 10GbE and 8 40GbE ports, with a throughput of 2.56 Tbps and a packet forwarding rate of 1440 Mpps. It is designed with rear-to-front airflow, dual AC power supplies for redundancy, and supports a quad-core x86 CPU, 8 Gigabytes of system memory, and optional 100 Gigabytes SSD storage. Additional features include 12MB of dynamic packet buffer memory, hot-swap power supplies and fans for enhanced reliability, and low power consumption with a typical usage of 235W and a maximum of 415W.

Key Feature for the DCS-7050SX-128-R

  • What are the port configurations of the 96xSFP+ & 8xQSFP+ switch?
    The switch features 96 10GbE SFP+ ports and 8 40GbE QSFP+ ports.
  • How does the airflow direction function in this switch?
    It has a rear-to-front airflow design to ensure optimal cooling.
  • Can you detail the power supply specifications?
    The switch is equipped with dual AC power supplies, supporting hot-swap functionality for uninterrupted operation.
  • What's the total throughput capacity?
    Throughput capacity reaches 2.56 Terabits per second (Tbps).
  • How is the CPU configured in the switch?
    It contains a Quad-Core x86 CPU for efficient processing.
  • What memory resources are available?
    The switch includes 8 Gigabytes of system memory, 4 Gigabytes of flash storage, and an optional 100 Gigabytes SSD storage.
  • What are the packet processing capabilities?
    It processes up to 1440 million packets per second (Mpps) with a packet buffer memory of 12MB for dynamic allocation.
  • How does the switch handle management and connectivity interfaces?
    It offers 2 10/100/1000 management ports, 1 RS-232 serial port (RJ-45), and 1 USB port.
  • What are the power and cooling specifications?
    The switch has a typical power consumption of 235W, a maximum of 415W, and includes 4 hot-swap fans (N+1 redundant) for cooling.
  • What are the physical dimensions and operating conditions?
    Dimensions are 19 x 3.5 x 18.1 inches, weighing 33lbs, with an operating temperature range of 0 to 40°C.

Product Review

The Arista DCS-7050SX-128-R offers high throughput and packet processing capabilities, with a 2.56 Tbps throughput and 1440 Mpps, suited for environments demanding high performance and low latency, which stands at 550 ns. However, the system memory and flash storage, at 8 Gigabytes and 4 Gigabytes respectively, may limit advanced applications or extensive routing tables, despite the option for an additional 100 Gigabytes of SSD storage. Its design incorporates dual AC power supplies and N+1 redundant hot-swap fans, ensuring reliability and uninterrupted operation in data center environments, but the operating temperature range limits its deployment in harsher conditions.


The Arista DCS-7050SX-128-R is a high-performance switch designed for data center environments, offering advanced networking capabilities with its 96 SFP+ and 8 QSFP+ ports. This configuration provides extensive scalability options for both 10GbE and 40GbE connections, allowing for flexible network designs that can accommodate a wide range of applications and workload demands. At the core of its performance, the switch boasts a throughput of 2.56 Tbps and a packet forwarding rate of 1440 Mpps, ensuring efficient data handling even under heavy network traffic conditions. The low latency of 550 ns further enhances the switch's capability to support time-sensitive applications and services. Powered by a quad-core x86 CPU and equipped with 8 gigabytes of system memory, the Arista DCS-7050SX-128-R is built to handle complex network operations. Storage is well-provisioned, with 4 gigabytes of flash storage for firmware and configuration files, and an optional 100 gigabytes SSD storage for additional software and logs. The dynamic buffer allocation, facilitated by 12MB of packet buffer memory, optimizes memory usage to maintain high performance and reliability. Connectivity options include 2 management ports for 10/100/1000 connections, a single RS-232 serial port for console access, and a USB port for easy file transfers and firmware updates. The switch's design incorporates hot-swap capabilities for both its dual AC power supplies and four fans, ensuring uninterrupted operation and easy maintenance with 1+1 redundant power and N+1 redundant fan configurations.
  • Total 40GbE Ports: 8
  • Total 10GbE Ports: 96
  • Throughput: 2.56 Tbps
Regarding physical specifications, the Arista DCS-7050SX-128-R measures 19 x 3.5 x 18.1 inches and weighs 33 pounds, making it suitable for standard rack installations in data centers. The switch operates efficiently with a typical power consumption of 235W, peaking at 415W under maximum load. This performance is achieved within an operating temperature range of 0 to 40°C, ensuring reliable operation in diverse data center environments. The switch's design emphasizes operational efficiency and ease of maintenance, featuring rear-to-front airflow that aligns with common data center cooling practices. This airflow direction assists in maintaining optimal temperatures within the rack, enhancing the longevity and reliability of the switch. In summary, the Arista DCS-7050SX-128-R is a powerful and versatile networking solution, engineered to meet the demands of modern data centers. Its extensive port configuration, combined with high throughput and low latency, provides a solid foundation for building scalable, high-performance network infrastructures. The switch's advanced features, including dynamic buffer allocation and redundant power and cooling systems, ensure it can deliver continuous, reliable service in a wide range of operational conditions.


Model Number DCS-7050SX-128-R
Brand Arista
Port Configuration 96xSFP+ & 8xQSFP+
Airflow Direction Back to Front
Power Supply Units Two, AC Configuration
40GbE Port Count 8
10GbE Port Count 96
Network Throughput 2.56 Terabits per second
Packet Forwarding Rate 1.44 Billion pps
Switching Latency 550 nanoseconds
Processor Type Quad-Core x86
Internal Storage 4 GB Flash
Optional SSD Capacity 100 GB
Packet Buffer Size 12 MB with Dynamic Allocation
Management Ports 2x Ethernet 10/100/1000
Serial Console Port 1x RS-232 (RJ-45)
USB Interface 1
Redundant Power Supplies Yes, 1+1 configuration
Redundant Fan Modules Yes, N+1 configuration
Power Consumption (Typical/Maximum) 235W / 415W
Dimensions 19 x 3.5 x 18.1 inches (48.3 x 8.8 x 45.9 cm)
Unit Weight 33 pounds (15.1 kg)
Operational Temperature Range 32 to 104°F (0 to 40°C)
Storage Temperature Range -13 to 158°F (-25 to 70°C)

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