Skip to content


by Arista
Product Line: Arista DCS-7500E Series
Product Type: Switch
Sold out
Original price $0.00 - Original price $153.00
Original price
$0.00 - $153.00
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-7500E-36Q-LC is a 36 port 40GbE QSFP+ wire-speed linecard designed for the 7500E Series, supporting up to 144 10GbE or 36 40GbE connections with a port buffer of 18GB. It features a 2+2 grid redundant power system and 1+1 supervisor redundancy, ensuring continuous operation. The linecard operates within a temperature range of 0°C to 40°C, supports airflow up to 800 CFM at 40°C, and has a typical power consumption of 450W, with a maximum of 556W.

Key Feature for the DCS-7500E-36Q-LC

  • What is the port configuration of the 36 port 40GbE QSFP wire-speed linecard for 7500E Series?
    The linecard has 36 QSFP+ ports supporting both 10G and 40G speeds.
  • How many 10GbE and 40GbE ports can the linecard support?
    It supports up to 144 10GbE ports or 36 40GbE ports.
  • What is the port buffer size on this linecard?
    The port buffer size is 18GB.
  • What are the physical dimensions of the 36 port 40GbE QSFP wire-speed linecard?
    The dimensions are 17.5” (W) x 1.75” (H) x 23” (D).
  • What is the typical and maximum power consumption of the linecard?
    Typical power consumption is 450W, with a maximum of 556W.
  • How does the linecard manage airflow, and what are the typical and maximum CFM values?
    It manages airflow with up to 800 CFM at 40°C maximum and 600 CFM at 25°C typical.
  • What are the operating and storage temperature ranges for the linecard?
    Operating temperature ranges from 0°C to 40°C, while storage temperature ranges from -25°C to 70°C.
  • What are the minimum and maximum relative humidity levels the linecard can operate in?
    It can operate in 5% to 95% relative humidity levels.
  • What is the weight and the operating altitude range of the linecard?
    The weight is 15 lbs (6.8 kg), and it can operate at altitudes from 0 ft to 10,000 ft.
  • What redundancy features does the 36 port 40GbE QSFP wire-speed linecard for 7500E Series offer?
    It offers 2+2 Grid redundant power system and 1+1 Supervisor redundancy.

Product Review

The Arista DCS-7500E-36Q-LC provides high-density connectivity with 36 QSFP+ ports, supporting up to 144 10GbE or 36 40GbE connections, catering to demanding data center environments. Its substantial 18GB port buffer and support for up to 800 CFM airflow ensure optimal performance and reliability under heavy workloads. However, the power consumption of 450W (556W max) may be a consideration for operations prioritizing energy efficiency.


The Arista DCS-7500E-36Q-LC is a high-performance linecard designed for the 7500E Series switches, providing exceptional scalability and flexibility for data center networks. This product is engineered to meet the demands of high-density, high-speed networking environments, offering 36 QSFP+ ports that can be used for both 10GbE and 40GbE connections. With the capability to support up to 144 10GbE ports or 36 40GbE ports, this linecard enables efficient network configurations and optimizations, catering to diverse networking requirements. Key hardware specifications of the Arista DCS-7500E-36Q-LC include: - Ports: 36 QSFP+ (10G/40G) - Port Buffer: 18GB, ensuring smooth data transmission and handling of traffic spikes. - Weight: 15 lbs (6.8 kg), making it a lightweight addition to network infrastructure. - Power Consumption: Operates typically at 450W, with a maximum capacity of 556W, balancing performance with energy efficiency. - Physical Dimensions: Width of 17.5 inches (44.5 cm), height of 1.75 inches (4.5 cm), and depth of 23 inches (58.4cm), designed for easy integration into existing racks and spaces. - Airflow: Supports a maximum airflow of 800 CFM at 40°C and a typical airflow of 600 CFM at 25°C, ensuring optimal cooling for sustained performance. - Operating Environment: Designed to operate within a temperature range of 0°C to 40°C, a storage temperature range from -25°C to 70°C, and a relative humidity range from 5% to 95%, accommodating a variety of data center conditions. - Altitude: Capable of operating at altitudes from 0 ft to 10,000 ft, offering flexibility in deployment across different geographical locations. Additional features that enhance the reliability and availability of the Arista DCS-7500E-36Q-LC include a 2+2 grid-redundant power system and 1+1 supervisor redundancy. These features ensure continuous operation and minimal downtime, critical for maintaining uninterrupted service in enterprise and cloud data centers. The Arista DCS-7500E-36Q-LC stands out for its capacity to deliver wire-speed performance across all ports, ensuring high throughput and low latency for data-intensive applications. Its substantial port buffer allows for efficient handling of bursty traffic, making it ideal for scenarios where sudden spikes in data traffic are common. Overall, the Arista DCS-7500E-36Q-LC is a powerful solution for expanding network capacity and performance in modern data centers. Its combination of high-density port configuration, energy efficiency, and robust environmental tolerances make it a compelling choice for organizations looking to enhance their network infrastructure with reliable, high-speed connectivity options.


Item CodeArista DCS-7500E-36Q-LC
Description36-port 40GbE QSFP Linecard for 7500E Series, supporting wire-speed performance
Available Ports36 QSFP+ (supports 10G/40G)
Maximum 10GbE Density144
Maximum 40GbE Density36
Port Memory18GB
Unit Weight15 lbs (6.8 kg)
Power Consumption (Typical/Max)450W / 556W
Width17.5 inches (44.5 cm)
Height1.75 inches (4.5 cm)
Depth23 inches (58.4 cm)
Maximum Airflow800 CFM at 40°C
Average Airflow600 CFM at 25°C
Minimum Operating Temperature0°C
Maximum Operating Temperature40°C
Minimum Storage Temperature-25°C
Maximum Storage Temperature70°C
Minimum Relative Humidity5%
Maximum Relative Humidity95%
Minimum Operating Elevation0 ft
Maximum Operating Elevation10,000 ft
Power System Redundancy2+2 Grid redundant
Supervisor Redundancy1+1

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