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by Arista
Product Line: Arista DCS-7500R
Product Type: Switch
Sold out
Original price $0.00 - Original price $4,459.00
Original price
$0.00 - $4,459.00
Current price $0.00
Title: Surplus

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Product Description

The DCS-7500R-36CQ-LC is a 36 port line card supporting 100GbE QSFP100 with a port buffer of 24 GB, designed for high-capacity networking, offering scalability with support for up to 144 10GbE or 25GbE, 36 40GbE, 72 50GbE, and 36 100GbE connections. It operates efficiently with a typical power consumption of 713W, peaking at 820W, and is built to perform in environments with temperatures ranging from 0°C to 40°C and at altitudes up to 10,000 ft. The card's dimensions are 17.5” wide, 1.75” high, and 23” deep, weighing 16.1 lbs (7.3 kg), and it ensures system resilience through N+N Grid redundant power system and 1+1 Supervisor redundancy.

Key Feature for the DCS-7500R-36CQ-LC

  • What is the maximum number of 10GbE and 25GbE ports supported by the 36 port 100GbE QSFP100 wirespeed line card?
    The card supports up to 144 ports for both 10GbE and 25GbE configurations.
  • How does the card accommodate 40GbE and 50GbE requirements?
    It can accommodate up to 36 ports for 40GbE and up to 72 ports for 50GbE.
  • Can the 36 port 100GbE QSFP100 line card support AlgoMatch and accelerated sFlow?
    No, AlgoMatch and accelerated sFlow are not supported.
  • What are the port buffer specifications?
    The port buffer is 24 GB.
  • How much does the line card weigh and what are its physical dimensions?
    The card weighs 16.1 lbs (7.3 kg) with dimensions of 17.5” (W) x 1.75” (H) x 23” (D).
  • What is the typical and maximum power consumption of the card?
    Typical power consumption is 713W, with a maximum of 820W.
  • What are the operating and storage temperature ranges?
    Operating temperature ranges from 0°C to 40°C, and storage temperature ranges from -40°C to 70°C.
  • What is the card's humidity and altitude operating range?
    The relative humidity range is 5% to 95%, and it can operate at altitudes from 0 ft to 10,000 ft.
  • Does the line card feature any redundancy systems?
    Yes, it includes N+N Grid redundant power system and 1+1 Supervisor redundancy.
  • What is the maximum 100GbE port support for this line card?
    The maximum support is 36 ports for 100GbE.

Product Review

The Arista DCS-7500R-36CQ-LC delivers high-density with 36 ports of 100GbE, supporting a versatile range of Ethernet speeds, which enables scalable network configurations. However, the absence of AlgoMatch and Accelerated sFlow might limit its efficiency in complex traffic management and detailed network monitoring tasks. Additionally, its power consumption is significant at 713W typical, peaking at 820W, which could impact operational costs in data-intensive environments.


The Arista DCS-7500R-36CQ-LC is a high-performance line card designed to fit into the Arista 7500R series chassis, offering a range of networking capabilities for data centers and high-demand networking environments. This line card provides flexibility in network design and scalability by supporting a variety of Ethernet speeds, ensuring it meets diverse network requirements. This product features 36 ports of 100GbE QSFP100, delivering wirespeed performance across all ports. It is capable of breaking down these ports to support a maximum of 144 10GbE or 25GbE connections, 36 40GbE connections, 72 50GbE connections, and maintains its capacity for 36 100GbE connections. This versatility allows for extensive network customization based on throughput needs and cable infrastructure. Key hardware specifications include: - A port buffer of 24 GB, ensuring efficient handling of data bursts and reducing packet drops in high-traffic scenarios. - A weight of 16.1 lbs (7.3 kg), making it a manageable component for physical installation and maintenance within a data center rack. - Power consumption is managed efficiently, with typical usage at 713W and a maximum of 820W, highlighting the balance between performance and energy use. Physical dimensions are standardized to fit within the Arista 7500R series chassis, with a width of 17.5 inches (44.5 cm), a height of 1.75 inches (4.5 cm), and a depth of 23 inches (58.4 cm). These dimensions ensure compatibility and ease of integration with existing infrastructure. Environmental conditions are also a crucial consideration for hardware deployment. The Arista DCS-7500R-36CQ-LC operates effectively between 0°C and 40°C and can be stored in temperatures ranging from -40°C to 70°C. Humidity tolerance ranges from a minimum of 5% to a maximum of 95%, non-condensing, ensuring reliable operation in various environments. The operating altitude spans from 0 to 10,000 feet, accommodating different data center locations without compromising performance. Additional features include: - N+N Grid redundant power system, ensuring continuous operation and minimizing downtime in case of power supply failures. - 1+1 Supervisor redundancy, providing a failover mechanism that enhances system reliability and network uptime. However, it is important to note that the AlgoMatch and Accelerated sFlow features are not supported on this model, which may be a consideration for specific use cases requiring advanced packet matching or enhanced network monitoring capabilities. In summary, the Arista DCS-7500R-36CQ-LC line card is a high-capacity, flexible solution for expanding network capabilities within the Arista 7500R series ecosystem. Its support for multiple Ethernet speeds, combined with significant port buffering and efficient power usage, makes it a suitable choice for organizations looking to scale their networks while maintaining high levels of performance and reliability.


Model Number DCS-7500R-36CQ-LC
Manufacturer Arista
Ports 36x 100GbE QSFP100, full line-rate
100GbE Ports 36
50GbE Capacity 72
40GbE Capacity 36
25GbE Capacity 144
10GbE Capacity 144
AlgoMatch Technology Unavailable
Accelerated sFlow Unavailable
Memory Buffer 24 GB
Unit Weight 7.3 kg (16.1 lbs)
Power Usage (Typical/Maximum) 713W / 820W
Width 44.5 cm (17.5”)
Height 4.5 cm (1.75”)
Depth 58.4 cm (23”)
Minimum Operating Temperature 0°C
Maximum Operating Temperature 40°C
Minimum Storage Temperature -40°C
Maximum Storage Temperature 70°C
Minimum Operating Humidity 5%
Maximum Operating Humidity 95%
Lowest Operating Altitude 0 ft
Highest Operating Altitude 10,000 ft
Power Redundancy N+N Grid
Supervisor Redundancy 1+1

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