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by Arista
Product Line: Arista DCS7150S52CLR is a Switch
Product Type:
Original price $0.00 - Original price $1,596.00
Original price
$0.00 - $1,596.00
Current price $1,596.00
Title: Used

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Product Description

The DCS-7150S-52-CL-R is a 52x1/10G SFP+ switch, designed for scalability and efficiency with a throughput of 1.04Tbps and a latency of 380ns for SFP+ ports. It features a high precision clock, rear-to-front airflow, dual-core x86 CPU, and supports up to 13 40GbE ports, with hot-swappable power supplies and fans for uninterrupted operation. Additional specifications include 2x AC PSU, 2GB of flash storage memory, optional 50GB SSD storage, and a dynamic packet buffer memory of 9.5MB, ensuring reliable performance across a wide range of environmental conditions.

Key Feature for the DCS7150S52CLR

  • What are the key features of the 52x1/10G SFP+ switch?
    The key features include 1.04Tbps throughput, 780 Mpps packets/second, 380ns latency for SFP+ ports, dual-core x86 CPU, 2 GB flash storage, 9.5MB dynamic packet buffer memory, optional 50 GB SSD storage, 2 AC power supplies with 1+1 redundancy, 4 hot-swappable fans with N+1 redundancy, and a high precision clock. It supports a maximum of 13 40GbE ports, has rear-to-front airflow, and offers reversible airflow options.
  • How does the switch's airflow design benefit its operation?
    The switch features rear-to-front airflow, ensuring efficient cooling by directing air from the rear to the front. This design aligns with the common arrangement of data center racks, facilitating better thermal management and reliability for continuous operation.
  • Can you expand on the switch's redundancy features?
    The switch includes two hot-swap power supplies configured for 1+1 redundancy and four hot-swappable fans with N+1 redundancy. These features ensure uninterrupted operation by automatically switching to a backup in case of a hardware failure, enhancing the system's overall reliability.
  • What is the importance of the switch's high precision clock?
    The high precision clock is crucial for time-sensitive applications and network synchronization. It ensures accurate timing across devices, essential for financial transactions, real-time communications, and other applications requiring precise timekeeping for data integrity and coordination.
  • How does the switch handle packet buffering and what advantages does this offer?
    The switch utilizes 9.5MB of dynamic packet buffer memory, which allows for efficient management of packet bursts and reduces packet loss. This dynamic allocation supports high-throughput and low-latency performance, essential for maintaining quality of service in data-intensive applications.
  • What are the storage options available with the switch?
    It comes with 2 gigabytes of flash storage memory for firmware and configuration files, and an optional 50 gigabytes SSD storage for additional data or software requirements. This flexibility supports various deployment scenarios and storage needs.
  • Describe the switch's power consumption and efficiency features.
    The typical power draw is 191W, with a maximum of 450W under full load. Efficiency is enhanced through redundant, hot-swappable power supplies and the option for reversible airflow, ensuring optimal cooling and energy use in diverse operating environments.
  • What physical specifications should be considered for rack installation?
    The switch dimensions are 19” x 1.75” x 16” (44.5 x 4.4 x 40.64 cm), fitting standard 19-inch racks. It weighs 18 lbs (8.18 kg), requiring consideration for rack load capacity. The design accommodates reversible airflow, allowing for flexible installation based on cooling layout.
  • How does the switch's design accommodate harsh environmental conditions?
    It operates within a temperature range of 0 to 40C and can be stored from -40C to 70C. It handles relative humidity from 5% to 95% and operates up to 10,000 feet altitude, featuring robust components and thermal management to withstand varied environmental conditions.
  • What are the network management and connectivity options for the switch?
    The switch supports management through a dual-core x86 CPU, offering powerful processing for network control tasks. Connectivity options include up to 13 40GbE ports and 52x1/10G SFP+ ports, with a throughput of 1.04Tbps and packets per second rate of 780 Mpps, accommodating high-performance networking requirements.

Product Review

The Arista DCS-7150S-52-CL-R switch offers high performance with its 1.04Tbps throughput and 780 Mpps, ensuring efficient data handling for demanding network environments. However, its latency of 380ns on SFP+ ports may not meet the needs of applications requiring ultra-low latency. Additionally, the switch supports up to 13 40GbE ports, providing flexibility for network expansion, but the limited packet buffer memory of 9.5MB might be a constraint in high-volume, bursty traffic scenarios.


The Arista DCS-7150S-52-CL-R is a high-performance switch designed to meet the demands of modern data centers and high-frequency trading environments. It features 52 SFP+ ports capable of 1/10G connectivity, providing the flexibility to accommodate a range of networking requirements. This switch is engineered with a high precision clock, ensuring synchronized communication across devices, which is critical for time-sensitive applications. One of the standout features of the Arista DCS-7150S-52-CL-R is its throughput capacity, which reaches 1.04Tbps, coupled with a packet processing rate of 780 million packets per second (Mpps). This capability ensures smooth data flow even under heavy network loads. The switch also boasts a low latency of 380ns for SFP+ ports, which minimizes delay, enhancing the performance of applications and services that rely on real-time data. In terms of hardware specifications, the switch is powered by a dual-core x86 CPU and comes with 2 gigabytes of flash storage memory. To support more extensive data logging and software, there is an option to include 50 gigabytes of SSD storage. The packet buffer memory is 9.5MB, utilizing dynamic buffer allocation to efficiently manage network traffic and minimize packet loss. The Arista DCS-7150S-52-CL-R is designed with redundancy and reliability in mind. It features two hot-swap power supplies (1+1 redundant) and four hot-swappable fans (N+1 redundant), ensuring uninterrupted operation and easy maintenance. The switch supports a maximum of 13 40GbE ports, providing ample room for network expansion and flexibility. Energy efficiency is also a key consideration in the design of this switch. It has a typical power draw of 191W and a maximum of 450W under full load, making it an energy-efficient choice for enterprise networks. The switch's size is 19” x 1.75” x 16” (44.5 x 4.4 x 40.64 cm), and it weighs 18 lbs (8.18 kg), making it suitable for standard rack installations. Operating conditions are also taken into account, with the switch capable of functioning in temperatures ranging from 0 to 40C, and it can be stored in temperatures from -40C to 70C. Humidity tolerance ranges from a minimum of 5% to a maximum of 95%, and it can operate at altitudes of up to 10,000 ft. Key features include:
  • Rear-to-front airflow, ensuring optimal cooling and system performance.
  • Reversible airflow option, providing flexibility in different rack setups.
  • Support for up to 13 40GbE ports, offering scalability for growing network demands.
In summary, the Arista DCS-7150S-52-CL-R is a versatile and high-capacity switch that delivers exceptional performance, reliability, and energy efficiency. It is well-suited for environments that demand high-speed data transmission, low latency, and high availability.


Part Number DCS-7150S-52-CL-R
Manufacturer Arista
Configuration 52-port 1/10G SFP+ Switch
Timing Accuracy High-Precision Clock
Airflow Direction Rear to Front
Power Supply Units 2 AC
Maximum 40GbE Interfaces 13 Ports
Data Rate 1.04 Terabits per second
Forwarding Rate 780 Million packets per second
Port Latency 380 Nanoseconds for SFP+ Ports
Processor Dual-Core x86 CPU
Internal Storage Memory 2GB Flash
Buffer Size 9.5MB with Dynamic Allocation
Optional SSD Capacity 50GB
Power Supply Redundancy 2 Units, 1+1 Redundancy
Fan Redundancy 4 Units, N+1 Redundancy
Power Consumption (Typical/Max) 191W / 450W
Dimensions 19 x 1.75 x 16 Inches (44.5 x 4.4 x 40.64 cm)
Product Weight 18 Pounds (8.18 Kilograms)
Operational Heat Range 0°C to 40°C
Storage Heat Range -40°C to 70°C
Minimum Humidity 5%
Maximum Humidity 95%
Minimum Operating Elevation 0 Feet
Maximum Operating Elevation 10,000 Feet
Airflow Reversibility Available

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