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

The DCS-7050T-64-R is a high-performance Arista switch featuring 48 1/10GBASE-T RJ45 ports and 4 QSFP+ ports, supporting a total of 64 10GbE ports with a throughput of 1.28Tbps and packet processing capability of 960 Mpps. It is designed with rear-to-front airflow, 2 AC power supplies for redundancy, and operates efficiently with a typical/max power draw of 322/422W. The hardware includes a dual-core x86 CPU, 4GB of system memory, 2GB of flash storage, and 9MB of dynamic packet buffer memory, ensuring reliable and fast data processing and management.

FAQs for the DCS-7050T-64-R

  • What is the total number of 10GbE ports available on the switch?
    The switch has a total of 64 10GbE ports.
  • How does the switch manage cooling?
    It utilizes a rear-to-front airflow system to maintain optimal operating temperatures.
  • Can you detail the power supply configuration of the switch?
    The switch is equipped with 2 AC power supplies, configured for 1+1 redundancy to ensure continuous operation.
  • What are the latency figures for RJ45 and uplink ports on this device?
    Latency is 3.3 microseconds for RJ45 ports and ranges from 950 to 1350 nanoseconds for uplink ports.
  • How much system memory does the switch contain?
    The switch comes with 4 Gigabytes of system memory.
  • Describe the packet buffer memory of the switch and its allocation method.
    The switch has 9MB of packet buffer memory, utilizing dynamic buffer allocation for efficient data handling.
  • What type of CPU does the switch utilize?
    It is powered by a Dual-Core x86 CPU.
  • What are the storage capabilities of the switch?
    It has 2 Gigabytes of flash storage memory for firmware and configuration files.
  • How many hot-swappable fans does the switch have?
    There are 4 hot-swappable fans, designed with N+1 redundancy for reliable cooling.
  • What is the typical and maximum power draw of the switch?
    The typical power draw is 322W, with a maximum of 422W under full load.

Product Review

The Arista DCS-7050T-64-R switch offers high throughput and low latency, boasting a 1.28Tbps throughput and 960Mpps, with latency as low as 3.3 microseconds for RJ45 and between 950 to 1350 nanoseconds for uplinks, making it suitable for high-performance computing environments. However, its operating temperature range is limited to 0-40°C, which might not be adequate for environments with extreme temperature conditions. Additionally, the switch features dual AC power supplies and N+1 redundant fans, enhancing its reliability for critical network infrastructure.


The Arista DCS-7050T-64-R is a high-performance switch designed for data center and high-capacity enterprise environments. It offers a combination of speed and density with 48 RJ45 ports supporting 1/10GBASE-T and 4 QSFP+ ports for uplink connections, making it a versatile option for various networking requirements. This switch is engineered for efficiency, featuring rear-to-front airflow that ensures optimal cooling for the system components, contributing to its reliability in continuous operation settings. One of the key attributes of the Arista DCS-7050T-64-R is its impressive throughput of 1.28Tbps and a forwarding rate of 960 million packets per second (Mpps), which facilitates the handling of high volumes of data with minimal latency. The switch's latency performance is specifically optimized for high-speed transactions, offering 3.3 microseconds for RJ45 connections and between 950 to 1350 nanoseconds for uplink ports. This low latency is essential for applications requiring rapid data processing and transfer, such as financial trading platforms and real-time data analytics. At the core of the Arista DCS-7050T-64-R is a dual-core x86 CPU, accompanied by 4 gigabytes of system memory and 2 gigabytes of flash storage memory. This processing power, combined with dynamic buffer allocation facilitated by 9MB of packet buffer memory, allows for efficient data handling and storage, ensuring smooth operation even under heavy traffic conditions. Additionally, the switch is equipped with a 100/1000 management port, an RS-232 serial port, and a USB port, providing a variety of options for system management and configuration. The hardware resilience of the Arista DCS-7050T-64-R is underscored by its dual AC power supplies and four hot-swappable fans, both configured for redundancy to minimize downtime and maintain system integrity. The power supplies operate in a 1+1 redundant setup, while the fan system is designed with N+1 redundancy, ensuring that the switch remains operational even if a component fails.
  • Total 10GbE Ports: 64, offering extensive connectivity options for varied networking needs.
  • Hot-swap Power Supplies: Ensures uninterrupted operation and ease of maintenance.
  • Size and Weight: Measures 19” x 1.75” x 16” and weighs 20.9 lbs, suitable for standard rack mounting.
In terms of energy consumption, the switch has a typical power draw of 322W and can go up to 422W under maximum load. This power efficiency is critical for reducing operational costs in data centers where multiple switches are deployed. The Arista DCS-7050T-64-R's compact size of 19 inches in width, 1.75 inches in height, and 16 inches in depth, along with a weight of 20.9 lbs, makes it suitable for rack-mounted installations, optimizing space utilization in crowded data centers. Finally, the operating temperature range of 0 to 40°C and storage temperature range of -40°C to 70°C ensure that the switch can withstand varying environmental conditions, providing reliability and durability for enterprise and data center deployments.


Part Number / Manufacturer Arista DCS-7050T-64-R
Port Configuration 48x RJ45 (1/10GBASE-T), 4x QSFP+ switch ports
Airflow Direction Rear-to-front
Power Supplies Included 2x AC units
Total Number of 10GbE Ports 64
1/10GBASE-T Ports Available 48
Switch Capacity 1.28 Terabits per second
Forwarding Rate 960 million packets per second
Network Latency (RJ45 / Uplink Ports) 3.3 microseconds / 950 to 1350 nanoseconds
Processor Type Dual-Core x86 architecture
Main Memory Capacity 4 GB
Internal Storage for Firmware and Logs 2 GB Flash
Packet Buffer Size 9 MB with Dynamic Allocation
Management Interface 1x 100/1000 Base-T
Console Port 1x RS-232 (RJ-45 interface)
USB Interfaces 1
Redundant Power Supply Configuration 2 (1+1 configuration for redundancy)
Fan Modules 4 (N+1 redundancy)
Power Consumption (Typical / Maximum) 322W / 422W
Device Dimensions 19” (Width) x 1.75” (Height) x 16” (Depth) [44.5 x 4.4 x 40.64 cm]
Unit Weight 20.9 pounds (9.5 kg)
Operational Temperature Range 0°C to 40°C
Storage Temperature Range -40°C to 70°C

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