Skip to content


by Arista
Product Line: Arista 7148SX Series
Product Type: Data Center Switch
Sold out
Original price $0.00 - Original price $0.00
Original price
$0.00 - $0.00
Current price $0.00
Title: Surplus

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

Product Description

The DCS-7148SX-R is a 48-port 10GbE switch featuring SFP+ connectivity and designed for high performance with a throughput of 960Gbps and packets per second rate of 720Mpps. It is equipped with a dual-core x86 CPU, 2 Gigabytes of system memory, and 2 Gigabytes of flash storage memory, ensuring efficient processing and storage capabilities. This model includes rear-to-front fans for optimal cooling, two hot-swappable PSUs and five hot-swappable fans for redundancy, supporting a typical power draw of 600W, and is housed in a chassis measuring 17.4” x 1.75” x 20.25” with a weight of 29 lbs.

FAQs for the DCS-7148SX-R

  • What are the available port types on the 48-port 10GbE switch?
    The switch features 48 SFP+ ports for 10GbE connectivity.
  • How does the air flow direction in the switch's cooling system operate?
    The switch is equipped with rear-to-front fans and supports a reversible airflow option.
  • What type of power supplies does the switch include?
    It includes two AC power supplies, both of which are hot-swappable for redundancy.
  • What are the types of power cords provided with the switch?
    The switch comes with two C13-C14 power cords.
  • What is the maximum throughput of the switch?
    The switch supports a maximum throughput of 960Gbps.
  • How many packets per second can the switch process?
    It can process up to 720 million packets per second (Mpps).
  • What is the latency of the switch?
    The switch's latency is 1200 nanoseconds.
  • Can you describe the CPU and memory specifications?
    The switch is powered by a dual-core x86 CPU, with 2 gigabytes of system memory and 2 gigabytes of flash storage memory.
  • What management and connectivity options are available?
    It includes two 10/100/1000 management ports, one RS-232 serial port (RJ-45), and one USB port.
  • What are the physical dimensions and environmental operating conditions of the switch?
    The switch measures 17.4” x 1.75” x 20.25” (44.0 x 4.4 x 51.5 cm), weighs 29 lbs (13.2 kg), operates between 0 to 40C, and can function at altitudes up to 10,000 ft.

Product Review

The Arista DCS-7148SX-R offers high performance with a throughput of 960Gbps and a packets per second rate of 720Mpps, suitable for demanding network environments. However, its latency of 1200 nsec may not meet the needs of applications requiring ultra-low latency. The switch's design includes dual hot-swappable power supplies and fans for redundancy, but its power consumption at 600W can be high for some deployments.


The Arista DCS-7148SX-R is a high-performance 48-port 10GbE switch designed for data center environments, offering exceptional speed and reliability. This switch is equipped with SFP+ ports, supporting 10 Gigabit Ethernet connections that enable high-bandwidth connectivity and efficient data transfer across the network. With a rear-to-front airflow design, the device ensures optimal cooling, maintaining performance even under heavy loads. The switch boasts an impressive throughput of 960Gbps and can handle up to 720 million packets per second (Mpps), ensuring smooth data transmission and low latency of 1200 nanoseconds. This performance is powered by a dual-core x86 CPU, accompanied by 2 gigabytes of system memory and 2 gigabytes of flash storage memory. These specifications ensure the switch can handle demanding network applications and traffic levels without compromising on speed or reliability. Connectivity options on the Arista DCS-7148SX-R are comprehensive, featuring two 10/100/1000 management ports, one RS-232 serial port (RJ-45), and one USB port. This range of connectivity options provides flexibility in network management and device configuration. The switch is designed with redundancy and reliability in mind. It includes two hot-swappable power supply units (PSUs) with 1+1 redundancy and five hot-swappable fans with N+1 redundancy, ensuring continuous operation and minimal downtime. The typical power draw of the device is around 600W, making it an efficient option for energy-conscious environments.
  • Dimensions: 17.4” x 1.75” x 20.25” (44.0 x 4.4 x 51.5 cm)
  • Weight: 29 lbs (13.2 kg)
  • Reversible Airflow Option: Yes, accommodating different data center cooling strategies
The Arista DCS-7148SX-R is designed to operate within a broad range of environmental conditions. It can function at temperatures from 0 to 40°C and can be stored in temperatures ranging from -40°C to 70°C. The switch's performance is guaranteed at a relative humidity between 5 to 95% and at altitudes up to 10,000 feet, ensuring reliability across various data center locations worldwide. In terms of physical connectivity, the switch comes with two AC power supplies and includes two C13-C14 cords, facilitating easy integration into existing power infrastructure. The device's form factor, a 1U rack-mountable size, ensures it fits seamlessly into standard data center racks, optimizing space and simplifying installation. The Arista DCS-7148SX-R is a versatile and efficient solution for data centers requiring high-speed, reliable network connectivity. Its comprehensive feature set, including advanced throughput capabilities, extensive connectivity options, and built-in redundancy, make it an ideal choice for organizations looking to optimize their network performance and reliability.


Part Identifier Arista DCS-7148SX-R
Device Type 48-port SFP+ 10GbE Switch
Cooling Configuration Fans from back to front
Power Supplies Two AC Units
Power Cables Two C13-C14 Cables
Data Rate 960 Gbps Throughput
Processing Rate 720 Million Packets per Second
Signal Delay 1.2 µs Latency
Processor Dual-Core x86 CPU
Main Memory 2 GB RAM
Storage Memory 2 GB Flash Memory
Management Ports Two 10/100/1000 Ports
Console Port One RS-232 (RJ-45)
USB Interface One USB Port
Power Supply Units Two, 1+1 Redundancy
Fan Units Five, N+1 Redundancy
Power Consumption 600 Watts Typical
Dimensions 17.4 x 1.75 x 20.25 inches (44.0 x 4.4 x 51.5 cm)
Mass 29 pounds (13.2 kg)
Operational Heat Range 0°C to 40°C
Non-operational Heat Range -40°C to 70°C
Humidity Tolerance 5% to 95%, non-condensing
Maximum Operating Elevation Up to 10,000 feet
Direction of Air Flow Reversible

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