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by Arista
Product Line: Arista DCS-7050S Series Switches
Product Type: Switch
Original price $0.00 - Original price $2,005.00
Original price
$0.00 - $2,005.00
Current price $2,005.00
Title: Used

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Product Description

The DCS-7050S-64-F-DC Arista features 48 x SFP+ and 4 x QSFP+ ports, supporting a total of 64 10GbE ports and 48 1GbE ports, with a high throughput of 1.28 Terabits/second and capable of processing 960 Mpps. It is equipped with 4GB of system memory, 2GB of flash storage, and a 9MB packet buffer memory, along with options for 50GB SSD storage. The switch offers advanced features such as hot-swappable power supplies and fans for redundancy, reversible airflow for flexible deployment, and supports 32-way ECMP routing, IEEE 802.3ad LACP, and 32 ports per MLAG for enhanced network reliability and performance.

Key Feature for the DCS-7050S-64-F-DC

  • What is the total number of 10GbE ports available on this device?
    The device has a total of 64 10GbE ports.
  • How does the throughput capability of the device enhance network performance?
    With a throughput of 1.28 Terabits/second, the device significantly boosts network performance by handling large amounts of data efficiently.
  • Can you detail the latency range for SFP+ and QSFP+ ports?
    Latency ranges from 800 to 1150ns for SFP+ ports and 950 to 1350ns for QSFP+ ports.
  • What memory specifications are crucial for the device's operation?
    The device is equipped with 4GB of system memory, 2GB of flash storage memory, and 9MB of packet buffer memory.
  • Is there an option for additional storage on this networking device?
    Yes, there is an optional SSD storage upgrade available, offering up to 50GB of additional storage.
  • How many USB ports are available for use?
    The device includes 1 USB port for external connections and data transfers.
  • What redundancy features are included to ensure continuous operation?
    It has 2 hot-swap power supplies (1+1 redundant) and 4 hot-swappable fans (N+1 redundant) for continuous operation.
  • Does this device support reversible airflow, and why is it significant?
    Yes, the reversible airflow option accommodates different data center cooling designs, enhancing flexibility and efficiency in thermal management.
  • What are the typical and maximum power draw values for this device?
    The typical power draw is 125W, with a maximum of 220W, depending on the operational load.
  • How does this device utilize LACP and MLAG for network optimization?
    It uses IEEE 802.3ad LACP for up to 16 10GbE ports per LAG and supports 32 ports per MLAG for enhanced load balancing and redundancy.

Product Review

The Arista DCS-7050S-64-F-DC offers high throughput and low latency, with capabilities of 1.28 Terabits per second and latency ranging from 800 to 1350 nanoseconds, catering to demanding network environments. However, its system memory is limited to 4GB and packet buffer memory to 9MB, which may constrain performance in extremely high-volume or complex packet processing scenarios. Additionally, the device features comprehensive redundancy with hot-swappable power supplies and fans, and reversible airflow options, enhancing its reliability and flexibility in various deployment scenarios.


The Arista DCS-7050S-64-F-DC is a high-performance, scalable, and efficient networking solution designed to meet the needs of data centers, high-frequency trading environments, and large enterprise networks. This device offers a comprehensive set of features that cater to the demanding requirements of modern networking environments, emphasizing speed, reliability, and flexibility. At the core of the Arista DCS-7050S-64-F-DC are 48 SFP+ and 4 QSFP+ ports, providing a total of 64 10GbE ports. This configuration allows for significant flexibility in network design, enabling connections at both 10GbE and 1GbE speeds. The device supports up to 48 1GbE ports using SFP/SFP+ modules, ensuring compatibility with a wide range of network equipment. The switch boasts a throughput of 1.28 Terabits per second and can process up to 960 million packets per second (Mpps), ensuring efficient handling of network traffic even under heavy loads. Latency is minimized, ranging from 800 to 1150 nanoseconds for SFP+ and 950 to 1350 nanoseconds for QSFP+ connections, which is crucial for applications where every millisecond counts, such as financial trading platforms. Hardware specifications include 4GB of system memory and 2GB of flash storage memory, with a 9MB packet buffer memory that aids in managing traffic spikes. For additional storage needs, there is an option for a 50GB SSD. The device also features a single USB port for management. Reliability is a key focus of the Arista DCS-7050S-64-F-DC, featuring two hot-swap power supplies configured for 1+1 redundancy and four hot-swappable fans with N+1 redundancy. This redundancy ensures continuous operation and minimal downtime. The reversible airflow option allows for flexible deployment in various rack configurations, and the color-coded PSUs and fans simplify maintenance tasks. The typical power draw of the device is 125W, with a maximum of 220W under full load, showcasing its energy efficiency. This efficiency is further highlighted by its front-to-rear airflow design, which helps in maintaining optimal operating temperatures.
  • Self-healing software with Stateful Fault Repair (SFR) enhances system reliability by automatically detecting and correcting faults without disrupting network services.
  • Support for up to 16 10GbE ports per link aggregation group (LAG) and 32 ports per Multi-Chassis Link Aggregation (MLAG) enables high-capacity linking and efficient use of bandwidth.
  • The switch employs 32-way Equal-Cost Multi-Path (ECMP) routing for optimal load balancing and redundancy, ensuring high availability and resilience.
The Arista DCS-7050S-64-F-DC also supports IEEE 802.3ad Link Aggregation Control Protocol (LACP) and offers multi-chassis LAG for active/active Layer 2 multipathing, further enhancing its networking capabilities. This combination of advanced hardware specifications, redundancy features, and support for critical networking protocols makes the Arista DCS-7050S-64-F-DC an excellent choice for organizations looking to deploy a reliable, high-performance network infrastructure.


Part Number and ManufacturerArista DCS-7050S-64-F-DC
Interface Ports48 x SFP+, 4 x QSFP+
10GbE Interface Count64
1GbE Interface Count48 (SFP/SFP+)
Data Transfer Rate1.28 Terabits/second
Forwarding Rate960 Million packets/second
Latency RangeSFP+: 800 - 1150 nanoseconds, QSFP+: 950 - 1350 nanoseconds
Main Memory4GB
Internal Storage for Firmware2GB
Packet Buffer Size9MB
Optional SSD Capacity50GB
USB Interface Count1
Power Supplies for Redundancy2 (1+1 redundant)
Cooling Fans That Are Replaceable4 (N+1 redundant)
Configurable Airflow DirectionYes
Energy Consumption (Typical/Maximum)125 / 220W
Airflow PathFront-to-rear
Distinctive Coloring for Power and Cooling ComponentsYes, characteristic of Arista 1RU devices
Software Resilience FeatureSelf-repairing software with Stateful Fault Repair (SFR)
Maximum Ports per Link Aggregation16 10GbE ports
Support for Dual Chassis Link AggregationYes, with active/active L2 multipathing
Equal-Cost Multi-Path Routing32-way ECMP for balanced traffic flow and redundancy
Link Aggregation Protocol ComplianceIEEE 802.3ad LACP
Ports Supported per Multi-Chassis Link Aggregation32

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