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by Arista
Product Line: Arista Data Center Switches
Product Type: High-Performance Switch
Original price $0.00 - Original price $536.00
Original price
$0.00 - $536.00
Current price $536.00
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-7050Q-16-R Arista switch features 16xQSFP+ and 8xSFP+ ports, supporting up to 64 10GbE and 16 40GbE connections, with a packet buffer memory of 9MB and optional 50GB SSD storage. It is designed for efficiency with rear-to-front airflow, dual 460W AC power supplies, and hot-swappable components, ensuring uninterrupted service and easy maintenance. The switch delivers low latency ranging from 800 to 1150ns, a throughput of 1.28 Terabits/second, and a packet processing rate of 960 Mpps, making it ideal for high-density, high-performance data center environments.

Key Feature for the DCS-7050Q-16-R

  • What is the total number of 40GbE ports available on the switch?
    The total number of 40GbE ports is 16.
  • Can you detail the power supply specifications of the 16xQSFP+ & 8xSFP+ switch?
    It features dual 460W AC power supplies, supporting 1+1 redundancy.
  • What are the latency specifications for QSFP+ and SFP+ ports?
    Latency ranges from 800 to 850ns for QSFP+ ports and 800 to 1150ns for SFP+ ports.
  • How many USB ports does the switch have?
    The switch has 1 USB port.
  • What type of CPU and how much system memory does the switch utilize?
    The switch uses a Dual-Core x86 CPU and has 4 Gigabytes of system memory.
  • Is there an option for SSD storage on this device?
    Yes, SSD storage is optional and can be up to 50 Gigabytes.
  • What are the airflow and fan specifications for maintaining the switch's temperature?
    The switch has rear-to-front airflow and 4 hot-swappable fans (N+1 redundant) for cooling.
  • What is the size 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 18 lbs (8.18 kg).
  • Describe the environmental operating conditions for the switch.
    Operating temperature ranges from 0 to 40C, with a storage temperature of -40C to 70C, and relative humidity between 5 to 95%.
  • What are the throughput and packets per second capabilities of the switch?
    Throughput is 1.28 Terabits/second, with packets per second at 960 Mpps.

Product Review

The Arista DCS-7050Q-16-R offers high throughput and low latency, with 1.28 Terabits per second and latency ranging from 800 to 1150 nanoseconds, catering to demanding network environments. However, the system's memory and storage capacities, at 4GB and 2GB respectively, may limit performance in scenarios requiring extensive data processing or caching. Its dual power supplies and hot-swappable components ensure reliability and ease of maintenance, crucial for minimizing downtime in critical network infrastructures.


The Arista DCS-7050Q-16-R is a high-performance switch designed for data center environments requiring efficient, high-speed data transfer and connectivity. This device is equipped with 16 QSFP+ and 8 SFP+ ports, enabling a versatile range of connections for 40GbE, 10GbE, and 1GbE networks. With a compact size of 19” x 1.75” x 16” and weighing 18 lbs, it fits easily into standard racks, making it suitable for various deployment scenarios. At the core of the DCS-7050Q-16-R is a dual-core x86 CPU, supported by 4 Gigabytes of system memory for smooth operation of its advanced features and protocols. The switch also includes 2 Gigabytes of flash storage memory for firmware and configuration files, with an optional 50 Gigabytes of SSD storage available for logging, additional software, or other uses. The device's packet buffer memory is 9MB, utilizing dynamic buffer allocation for efficient handling of traffic bursts and minimizing packet drops. For network reliability and resilience, the Arista DCS-7050Q-16-R offers dual 460W AC power supplies that are hot-swappable and operate in a 1+1 redundant configuration, ensuring uninterrupted operation even in the event of a power supply failure. Additionally, the switch features four hot-swappable fans with N+1 redundancy and the option for reversible airflow (rear-to-front), facilitating flexible deployment in various rack configurations and cooling environments. Performance-wise, the switch boasts a throughput of 1.28 Terabits per second and can process up to 960 million packets per second (Mpps), ensuring high-speed data transmission across all connected devices. Latency is kept low, ranging from 800 to 850 nanoseconds for QSFP+ ports and 800 to 1150 nanoseconds for SFP+ ports, minimizing delay and improving the efficiency of time-sensitive applications. The device's typical power draw is 192W, with a maximum of 303W under full load, reflecting its energy efficiency. Designed to operate in a wide range of environmental conditions, the DCS-7050Q-16-R can function in temperatures from 0 to 40°C, and be stored in temperatures ranging from -40°C to 70°C. It also operates reliably in relative humidity levels from 5 to 95%, ensuring durability in diverse data center environments. Key features include: - High Port Density: Total of 24 ports including 16 QSFP+ and 8 SFP+ for flexible high-speed networking options. - Advanced Cooling and Power Options: Hot-swappable dual power supplies and fans with reversible airflow support ensure uninterrupted service and adaptability to varying thermal conditions. - High Performance: Throughput of 1.28 Tbps and low latency ensure efficient data processing and transfer rates, suitable for demanding data center applications. In summary, the Arista DCS-7050Q-16-R is a powerful, efficient, and versatile network switch that meets the needs of modern data centers, offering high-speed connectivity, reliability, and flexibility in a compact form factor.


Item Number and ProducerArista DCS-7050Q-16-R
Configuration16 QSFP+ and 8 SFP+ ports
Airflow DirectionBack to front
Power SuppliesTwo 460W AC, redundant
40GbE Ports Available16
10GbE Ports Available64
1GbE Ports Available8 (using SFP/SFP+)
Network LatencyQSFP+: 800 - 850 nanoseconds, SFP+: 800 - 1150 nanoseconds
Processorx86, Dual-Core
Main Memory4 GB
Flash Memory for Storage2 GB
Buffer Memory for Packets9 MB, uses Dynamic Buffer Allocation
Optional SSD Capacity50 GB
USB Interface Quantity1
Modular Power Units2, 1+1 redundancy
Modular Fan Units4, N+1 redundancy
Configurable AirflowAvailable
Energy Consumption (Typical/Max)192W / 303W
Dimensions (Width x Height x Depth)19" x 1.75" x 16" (44.5 x 4.4 x 40.64 cm)
Unit Weight18 pounds (8.18 kg)
Operational Heat Range0°C to 40°C
Storage Heat Range-40°C to 70°C
Humidity Tolerance5% to 95%, non-condensing
Data Throughput Capacity1.28 Tbps
Processing Rate960 million packets per second

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