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by Arista
Product Line: Arista 7050 Series Switches
Product Type: Data Center Switch
Original price $0.00 - Original price $676.00
Original price
$0.00 - $676.00
Current price $676.00
Title: Used

Orders typically ship within 1-3 Business days, if you need an item to ship sooner please contact us.

Product Description

The DCS-7050S-64-R Arista switch features 48xSFP+ and 4xQSFP+ ports, providing a total of 64 10GbE ports with a throughput of 1.28 Terabits/second and a packet processing rate of 960 Mpps. Its performance is supported by a dual-core x86 CPU, 4 Gigabytes of system memory, and 2 Gigabytes of flash storage, with an optional 50 Gigabytes SSD for additional storage. The unit is designed for efficiency with rear-to-front airflow, hot-swappable dual 460W AC power supplies, and hot-swappable fans, ensuring reliable operation within a temperature range of 0 to 40°C.

Key Feature for the DCS7050S64R

  • What is the total number of 10GbE ports available on the 48xSFP+ & 4xQSFP+ switch?
    The total number of 10GbE ports is 64.
  • How does the airflow direction work in this device?
    The switch supports rear-to-front airflow.
  • What are the power supply specifications for this switch?
    It comes with dual 460W AC power supplies.
  • Can you detail the throughput capability of the switch?
    The throughput capability is 1.28 Terabits/second.
  • What is the switch's performance in terms of packets per second?
    The switch can handle 960 million packets per second (Mpps).
  • What is the range of latency for SFP+ and QSFP+ ports?
    Latency ranges from 800 to 1150ns for SFP+ and 950 to 1350ns for QSFP+.
  • What are the CPU and memory specifications of this switch?
    The switch is equipped with a Dual-Core x86 CPU, 4 Gigabytes of system memory, and 2 Gigabytes of flash storage memory.
  • How much packet buffer memory is available?
    There is 9MB of dynamic buffer allocation available for packet buffering.
  • What additional storage options are available?
    An optional 50 Gigabytes SSD storage is available.
  • What are the physical dimensions and weight of the switch?
    The switch measures 19” x 1.75” x 16” (44.5 x 4.4 x 40.64 cm) and weighs 17 lbs (7.71 kg).

Product Review

The Arista DCS-7050S-64-R switch offers a high throughput of 1.28 Terabits/second and a packet processing capacity of 960 Mpps, making it suitable for environments requiring high-performance data handling. However, its latency ranges from 800 to 1350ns, which might not meet the needs of applications demanding ultra-low latency. Additionally, the switch supports redundancy with dual power supplies and hot-swappable fans, ensuring reliability and minimal downtime for maintenance.


The Arista DCS-7050S-64-R is a high-performance network switch designed for data center and high-capacity enterprise environments. It features 48 SFP+ and 4 QSFP+ ports, providing a total of 64 10GbE ports to meet the demands of high-speed networking requirements. This switch is engineered to deliver a throughput of 1.28 Terabits per second, with the capability to process up to 960 million packets per second, ensuring efficient data flow and minimal latency across the network. Latency is a critical factor in network performance, and the DCS-7050S-64-R addresses this with latency figures ranging from 800 to 1150 nanoseconds for SFP+ ports and 950 to 1350 nanoseconds for QSFP+ ports. These latency ranges are optimal for applications requiring high-speed data transmission with minimal delay. Powering the DCS-7050S-64-R is a dual-core x86 CPU, accompanied by 4 gigabytes of system memory, which together provide the processing power needed for managing complex networks and handling large volumes of data. The switch also comes equipped with 2 gigabytes of flash storage memory for firmware and configuration files, and a dynamic 9MB packet buffer memory that allocates buffer space efficiently to meet the demands of varying network traffic. For environments requiring additional storage, an optional 50 gigabytes of SSD storage is available, offering ample space for logs, diagnostics, and software images. The switch also features a variety of connectivity options, including one 100/1000 management port, one RS-232 serial port (RJ-45), and one USB port, facilitating easy management and configuration. The Arista DCS-7050S-64-R is designed with reliability in mind, featuring dual 460W AC power supplies in a 1+1 redundant configuration and four hot-swappable fans with N+1 redundancy, ensuring uninterrupted operation and minimal downtime. The switch supports a rear-to-front airflow scheme, optimizing cooling efficiency and maintaining operational integrity even under heavy loads. Energy efficiency is another key aspect of the DCS-7050S-64-R, with a typical power draw of 125 watts and a maximum of 220 watts, making it an energy-conscious choice for data centers looking to optimize operational costs without compromising on performance. Physically, the switch measures 19 inches in width, 1.75 inches in height, and 16 inches in depth, with a weight of 17 pounds, allowing for easy integration into standard rack setups. 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 ranges from 5% to 95%, ensuring reliable operation across various environmental conditions. Key features include: -
  • 48 SFP+ and 4 QSFP+ ports for a total of 64 10GbE ports.
  • Dual-core x86 CPU with 4GB system memory and 2GB flash storage memory.
  • Hot-swappable dual 460W AC power supplies and fans for high reliability.
Overall, the Arista DCS-7050S-64-R offers a compelling mix of performance, reliability, and efficiency, making it a suitable choice for data centers and enterprise networks needing high-capacity, low-latency networking solutions.


Item Number and ProducerArista DCS-7050S-64-R
Configuration48 SFP+ ports & 4 QSFP+ ports switch
Air Circulation Directionrear-to-front
Power Supply Unitstwo 460W AC units
Total 10GbE Interfaces64
Data Transfer Rate1.28 Tbps
Forwarding Rate960 million pps
Network Delay800 - 1150ns for SFP+, 950 - 1350ns for QSFP+
ProcessorDual-Core x86 architecture
Main Memory4 GB
Flash Memory2 GB
Dynamic Packet Memory9MB with Dynamic Buffer Allocation
Optional SSD Capacity50 GB
Management Interface1x 100/1000 Ethernet
Console Port1x RS-232 (RJ-45 interface)
USB Interface1
Replaceable Power Supplies2, 1+1 redundancy
Exchangeable Fans4, N+1 redundancy
Power Consumption (Typical/Max)125W / 220W
Dimensions19in x 1.75in x 16in (44.5cm x 4.4cm x 40.64cm)
Mass17 pounds (7.71 kg)
Operational Heat Range0°C to 40°C
Non-operational Heat Range-40°C to 70°C
Humidity Tolerance5% to 95%

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