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by Arista
Product Line: Arista 7050SX Series
Product Type: Data Center Switch
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Product Description

The DCS-7050SX-72Q-R is a high-capacity switch featuring 48xSFP+ ports and 6x40GbE QSFP+ ports, delivering a total throughput of 1.44Tbps and a packet forwarding rate of 1080 Mpps. It is designed with rear-to-front airflow, dual AC power supplies for redundancy, and supports a low-latency operation at 550 ns. This switch is equipped with a quad-core x86 CPU, 4 Gigabytes of system memory, 4 Gigabytes of flash storage, and 12MB of dynamic packet buffer memory, ensuring responsive and efficient network performance.

FAQs for the DCS-7050SX-72Q-R

  • What is the total number of 10GbE ports available on the 48xSFP+ & 6x40GbE QSFP+ switch?
    The switch provides a total of 72 10GbE ports.
  • How does the airflow design of this switch contribute to its operation?
    It uses a rear-to-front airflow design, optimizing cooling for better performance and reliability.
  • Can you specify the type of power supplies included with the switch?
    It includes dual AC power supplies, supporting 1+1 redundancy for improved system reliability.
  • What is the throughput capability of the switch?
    The switch has a throughput capability of 1.44 Terabits per second (Tbps).
  • Describe the CPU and memory specifications of the switch.
    The switch is powered by a Quad-Core x86 CPU, with 4 Gigabytes of system memory, 4 Gigabytes of flash storage memory, and 12MB of dynamic buffer allocation packet buffer memory.
  • What are the management and connectivity options available on this device?
    It offers one 10/100/1000 management port, one RS-232 serial port (RJ-45), and two USB ports for connectivity and management.
  • Detail the switch's power efficiency and consumption.
    The typical power draw is 144W, with a maximum power draw of 261W, emphasizing power efficiency.
  • What are the physical dimensions and weight of the switch?
    The switch dimensions are 19 x 1.75 x 16 inches (48.53 x 4.4 x 40.6 cm), and it weighs 17.3lbs (7.8kg).
  • Explain the environmental operating conditions suitable for the switch.
    It operates within a temperature range of 0 to 40°C (32 to 104°F) and a storage temperature range of -25 to 70°C (-13 to 158°F), with a relative humidity of 5 to 95%.
  • How does the switch ensure redundancy and reliability in its design?
    The switch features hot-swappable power supplies (2) and fans (4), providing N+1 redundancy, which ensures continuous operation and minimizes downtime.

Product Review

The Arista DCS-7050SX-72Q-R offers high throughput and packet processing capabilities, with a 1.44Tbps throughput and 1080 Mpps, suitable for demanding data center environments. However, its latency of 550 ns might not meet the needs of applications requiring ultra-low latency. The switch benefits from redundancy features like dual AC power supplies and hot-swappable fans, ensuring reliability and minimal downtime, but its operating temperature range could be limiting for environments with extreme conditions.


The Arista DCS-7050SX-72Q-R is a high-performance, scalable, and flexible networking switch designed for data center environments. It features 48 SFP+ ports and 6 40GbE QSFP+ ports, providing a total of 72 10GbE ports and 6 40GbE ports. This switch is engineered for environments requiring high bandwidth and low latency, with a throughput of 1.44Tbps and a packet forwarding rate of 1080 Mpps. The latency is remarkably low at 550 ns, facilitating efficient data transmission. Under the hood, the Arista DCS-7050SX-72Q-R is powered by a quad-core x86 CPU, coupled with 4 gigabytes of system memory. This ensures smooth operation and the ability to handle demanding network tasks. For storage, it includes 4 gigabytes of flash storage memory, providing ample space for the operating system and applications. Additionally, the switch features 12MB of dynamic buffer allocation, optimizing packet buffering and enhancing overall network performance. Connectivity options are versatile, including a 10/100/1000 management port and an RS-232 serial port (RJ-45) for network management. It also comes with two USB ports, allowing for additional storage or peripheral connectivity. The DCS-7050SX-72Q-R is designed with redundancy in mind, featuring two hot-swap power supplies (1+1 redundant) and four hot-swappable fans (N+1 redundant), ensuring uninterrupted operation and easy maintenance.
  • Rear-to-front airflow design supports efficient cooling in various installation environments.
  • Dual AC power supplies enhance system reliability and uptime by providing redundant power.
  • Typical and maximum power draw are rated at 144W and 261W respectively, optimizing energy efficiency.
The switch's physical characteristics include dimensions of 19 x 1.75 x 16 inches (48.53 x 4.4 x 40.6 cm) and a weight of 17.3 lbs (7.8 kg), 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), with a storage temperature range of -25 to 70°C (-13 to 158°F). The device can function in relative humidity levels ranging from 5 to 95%, accommodating various environmental conditions. The Arista DCS-7050SX-72Q-R is tailored for organizations that demand high-speed networking capabilities, offering extensive port density, low latency, and high throughput. Its robust feature set, combined with its focus on redundancy and reliability, makes it an ideal solution for data centers looking to scale their operations efficiently.


Part Number Arista DCS-7050SX-72Q-R
Manufacturer Arista
Configuration 48 SFP+ ports & 6 40Gbps QSFP+ ports, airflow from rear to front
Power Supplies Two AC units
40GbE Port Count 6
10GbE Port Count 72
Data Rate 1.44 Terabits per second
Packet Rate 1080 Million packets per second
Network Latency 550 nanoseconds
Processor Quad-Core x86 architecture
Main Memory 4 GB
Storage Memory 4 GB Flash
Buffer Memory 12 MB Dynamic
Management Port 1 Gigabit Ethernet
Serial Port 1 RJ-45 RS-232
USB Interface Two ports
Redundant Power Yes, 1+1 configuration
Redundant Fans Yes, 4 (N+1 configuration)
Power Consumption 144/261 Watts (Typical/Max)
Dimensions 19in x 1.75in x 16in (48.53cm x 4.4cm x 40.6cm)
Unit Weight 17.3 pounds (7.8 kg)
Operational Temp. 0°C to 40°C (32°F to 104°F)
Storage Temp. -25°C to 70°C (-13°F to 158°F)
Humidity Range 5% to 95% non-condensing

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