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by Arista
Product Line: Arista DCS7124SXR
Product Type: Switch
Original price $267.00 - Original price $666.00
Original price
$267.00 - $666.00
Current price $267.00
Title: Surplus

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Product Description

The DCS-7124SX-R is a 24-port L2/L3 switch with rear-to-front airflow, supported by 4 hot-swappable fans and 2 AC 460W power supplies for enhanced reliability and system integrity. It delivers high performance with a throughput of 480 Gigabits per second and 360 Million packets per second, while maintaining a low latency of 500 nanoseconds. Equipped with a Dual-Core x86 CPU, 4 Gigabytes of system memory, and options for 2 Gigabytes of flash storage or an SSD Storage upgrade of up to 50 Gigabytes, this switch is designed for optimal network performance and scalability.

Key Feature for the DCS7124SXR

  • What is the throughput capacity of the 24-port L2/L3 switch?
    The throughput capacity is 480 Gigabits per second.
  • How many fans are included for cooling and what is the airflow direction?
    The switch includes 4 fans and features rear-to-front airflow.
  • What type of CPU does the switch use?
    It uses a Dual-Core x86 CPU.
  • Can you detail the power supply specifications?
    The switch has two AC 460W hot-swappable power supplies, supporting 1+1 redundancy.
  • What are the available storage options for the switch?
    It comes with 2 Gigabytes of Flash Storage Memory, 4 Gigabytes of System Memory, and an optional 50 Gigabytes SSD Storage.
  • What interface types does the switch support?
    The interface types supported are SFP/SFP+.
  • Describe the switch’s packet processing capability.
    It can process up to 360 Million packets per second.
  • What are the dimensions and weight of the switch?
    The dimensions are 19” x 1.75” x 16” (44.5 x 4.4 x 40.64 cm) and it weighs 17 lbs (7.71 kg).
  • What is the typical and maximum power draw of the switch?
    The typical power draw is 120W, with a maximum power draw of 210W.
  • How does the switch handle redundancy for power and cooling?
    It has 2 hot-swappable power supplies and 4 hot-swappable fans, both designed for N+1 redundancy.

Product Review

The Arista DCS-7124SX-R switch offers high throughput and low latency, delivering 480 Gbps and 500 ns respectively, suitable for demanding data center environments. With dual-core x86 CPU, 4 GB of system memory, and optional SSD storage up to 50 GB, it supports advanced network applications and services. However, its operating temperature range of 0 to 40C may limit deployment in environments with extreme temperature conditions.


The Arista DCS-7124SX-R is a 24-port layer 2 and layer 3 switch designed for high performance and efficiency in data center environments. This switch supports both SFP and SFP+ interfaces, accommodating a wide range of networking requirements. It stands out for its impressive throughput of 480 Gigabits per second and a packet forwarding rate of 360 million packets per second, ensuring high-speed data transmission and efficient network operations. The device boasts a low latency of 500 nanoseconds, making it suitable for applications requiring rapid response times. Powering the Arista DCS-7124SX-R are two AC 460W power supplies, which are hot-swappable, along with four hot-swappable fans. This design supports a rear-to-front airflow configuration, optimizing cooling and system reliability. The switch is engineered to operate with a typical power draw of 120W and can reach a maximum power draw of 210W under full load. At the heart of the switch is a dual-core x86 CPU, paired with 4 Gigabytes of system memory. For storage, it comes equipped with 2 Gigabytes of flash storage memory, with an option to expand this via an optional 50 Gigabyte SSD, enhancing the switch's performance and storage capabilities. Connectivity options include one 100/1000 management port, one RS-232 serial console port (RJ-45), and one USB port, facilitating easy management and configuration. Key hardware specifications include: -
  • Hot-swappable power supplies: 2 (1+1 redundant)
  • Hot-swappable fans: 4 (N+1 redundant)
  • Size: 19” x 1.75” x 16” (44.5 x 4.4 x 40.64 cm), Weight: 17 lbs (7.71 kg)
The switch's physical dimensions are 19 inches in width, 1.75 inches in height, and 16 inches in depth, with a weight of 17 lbs (7.71 kg), making it a compact solution that fits easily into standard data center racks. It operates within a temperature range of 0 to 40°C and can be stored in temperatures ranging from -40°C to 70°C. The relative humidity tolerance spans from 5 to 95%, ensuring reliable performance in a variety of environmental conditions. In summary, the Arista DCS-7124SX-R is tailored for organizations seeking a high-performance, scalable, and efficient networking solution. Its advanced features and specifications cater to demanding data center applications, offering exceptional throughput, low latency, and flexible connectivity options, all within a compact and energy-efficient design. Whether for deploying in enterprise data centers, high-frequency trading environments, or large-scale cloud computing platforms, this switch provides the reliability, performance, and scalability required to meet the needs of complex networking environments.


Product Code Arista DCS-7124SX-R
Manufacturer Arista Networks
Device Type 24-port Layer 2/3 Switch
Airflow Direction Back-to-front with quad fans
Power Supply Configuration Dual 460W AC power units
Port Interface SFP/SFP+ compatible
Data Rate 480 Gbps bandwidth
Packet Forwarding Rate 360 million pps
Network Latency 0.5 microseconds
Processor X86 architecture, dual-core
Main Memory 4GB RAM
Internal Storage 2GB Flash
Optional SSD Capacity 50GB
Management Interface 1 port, 100/1000 Mbps
Console Interface 1 RJ-45 port for RS-232
USB Interface Single USB port
Modular Power Units 2, with 1+1 redundancy
Modular Fan Units 4, with N+1 redundancy
Standard Power Consumption 120 Watts
Peak Power Usage 210 Watts
Dimensions 19 x 1.75 x 16 inches (44.5 x 4.4 x 40.64 cm)
Unit Weight 17 pounds (7.71 kg)
Operational Temperature Range 0°C to 40°C
Non-operational Temperature Range -40°C to 70°C
Humidity Tolerance 5% to 95% non-condensing

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