Skip to content


by Arista
Product Line: Arista DCS7148SR
Product Type: Switch
Original price $0.00 - Original price $702.00
Original price
$0.00 - $702.00
Current price $702.00
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-7148S-R Arista is a 48-port 10GbE switch with SFP+ connectivity, designed for high-density deployments. It features rear-to-front fans, 2xAC power supplies with 2xC13-C14 cords, and supports a throughput of 800 Gbps and 600 Mpps packets/second, with a latency of 900 nsec. The switch is equipped with a dual-core x86 CPU, 2 Gigabytes of system memory and flash storage, along with hot-swappable PSU and fans for redundancy, enclosed in a chassis measuring 17.4” x 1.75” x 20.25” and weighing 29 lbs.

Key Feature for the DCS7148SR

  • What is the throughput capacity of the 48-port 10GbE switch?
    The throughput capacity is 800 Gbps.
  • How many power supplies does the switch have, and are they redundant?
    The switch comes with 2 hot-swappable power supply units (PSUs), providing 1+1 redundancy.
  • What type of fans does the switch use for cooling?
    It uses rear-to-front fans that are hot-swappable and N+1 redundant.
  • Can you detail the memory specifications of the switch?
    The switch is equipped with 2 Gigabytes of system memory and 2 Gigabytes of flash storage memory.
  • What are the management port specifications for the switch?
    The switch features 2 10/100/1000 management ports.
  • What is the maximum operating altitude for the switch?
    The maximum operating altitude is 0 to 10,000 feet.
  • Does the switch support reversible airflow?
    Yes, the switch supports the option for reversible airflow.
  • What is the typical power draw of the switch?
    The typical power draw is 360W.
  • What are the operating and storage temperature ranges for the switch?
    The operating temperature range is 0 to 40C, and the storage temperature range is -40C to 70C.
  • What is the latency of the switch?
    The latency is 900 nanoseconds.

Product Review

The Arista DCS-7148S-R offers impressive performance with its 800 Gbps throughput and 600 Mpps rate, effectively addressing high-capacity network demands. However, its latency of 900 nsec may not meet the needs of applications requiring ultra-low latency. The switch’s redundancy features, including dual hot-swappable power supplies and fans, ensure high reliability and uptime, but its power consumption of 360W could be a concern for energy-conscious deployments.


The Arista DCS-7148S-R is a high-capacity, low-latency 48-port 10GbE switch designed to meet the demands of data-intensive networks. With a throughput of 800 Gbps and the ability to process up to 600 million packets per second, this switch ensures efficient data flow and high performance across the network. The latency of 900 nanoseconds minimizes delays, making it ideal for applications requiring real-time processing. This switch is powered by a dual-core x86 CPU, equipped with 2 gigabytes of system memory and 2 gigabytes of flash storage memory, providing the necessary resources for handling complex network tasks and configurations. The DCS-7148S-R also features two 10/100/1000 management ports, one RS-232 serial port (RJ-45), and one USB port, offering versatile connectivity options for network management and device configuration. For enhanced reliability, the Arista DCS-7148S-R includes two hot-swappable power supply units (PSUs) and five hot-swappable fans, configured for 1+1 redundancy and N+1 redundancy, respectively. This design ensures uninterrupted operation and easy maintenance, minimizing downtime in case of hardware failure. The switch's typical power draw is 360W, reflecting its energy efficiency. The hardware specifications also highlight the switch's physical attributes, including its size, which measures 17.4 inches in width, 1.75 inches in height, and 20.25 inches in depth. With a weight of 29 pounds, it is designed for rack-mounted installation, fitting seamlessly into standard data center racks. The operating temperature range is from 0 to 40°C, with storage temperatures ranging from -40°C to 70°C. The switch can operate in environments with relative humidity levels from 5 to 95% and at altitudes up to 10,000 feet, ensuring reliable performance in various conditions. Key features include: -
  • 48 SFP+ ports for 10GbE connectivity, ensuring high-speed network connections and efficient data transfer
  • Rear-to-front airflow design, supported by reversible airflow options, provides flexible installation and ensures optimal cooling
  • Dual AC power supplies with 2xC13-C14 cords, offering redundant power to maintain continuous operation
The Arista DCS-7148S-R's robust set of features and specifications make it a suitable choice for data centers and high-performance computing environments, where high throughput, low latency, and reliability are critical. Its hardware design, including the hot-swappable components and energy-efficient operation, further enhances its appeal to organizations looking to optimize their network infrastructure for performance and reliability.


Item NumberArista DCS-7148S-R
Port Configuration48 x 10GbE (SFP+)
Airflow DirectionRear to Front
Power Supplies2 x AC
Power Cables2 x C13-C14 cables
Data Transfer Rate800 Gigabits per second
Packet Forwarding Rate600 Million packets per second
Switching Latency900 nanoseconds
ProcessorDual-Core x86
Storage2 GB Flash
Management Ports2 x 10/100/1000
Serial Interface1 x RS-232 (RJ-45)
USB Connectivity1 port
Redundant PSUs2 (1+1 configuration)
Redundant Fans5 (N+1 configuration)
Power Consumption360 Watts typical
Dimensions17.4 x 1.75 x 20.25 inches (44 x 4.4 x 51.5 cm)
Device Weight29 pounds (13.2 kg)
Operational Temp Range0°C to 40°C
Storage Temp Range-40°C to 70°C
Humidity Tolerance5% to 95%, non-condensing
Maximum Operating ElevationUp to 10,000 feet
Reversible AirflowAvailable

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare