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by Arista
Product Line: Arista Networks
Product Type: Switch
Original price $0.00 - Original price $4,002.00
Original price
$0.00 - $4,002.00
Current price $4,002.00
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-7500RM-36CQ-LC is a 36 port 100GbE QSFP100 line card designed for Arista chassis, supporting high-density and high-speed data center connectivity with MACsec encryption for enhanced security. It features a substantial 24GB packet buffer and delivers wire-speed performance, accommodating up to 36 100GbE or 36 40GbE ports. This line card operates efficiently with a typical power consumption of 782W, peaking at 1,049W, and is compatible with chassis models DCS-7516N, DCS-7512N, DCS-7508N, DCS-7504N, DCS-7508, and DCS-7504, requiring a minimum EOS version of 4.18.1F.

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

  • What is the maximum number of 100GbE ports supported by the 36 port 100GbE QSFP100 wirespeed line card?
    The line card supports a maximum of 36 100GbE ports.
  • Can the part integrate with MACsec for enhanced security?
    Yes, it is compatible with MACsec for enhanced security measures.
  • What is the packet buffer size available on this line card?
    The packet buffer size is 24GB.
  • How much power does the line card typically consume?
    Typical power consumption is 782W, with a maximum of 1,049W.
  • Is the AlgoMatch feature available on this model?
    No, AlgoMatch is not available on this model.
  • What are the physical dimensions of the line card?
    The dimensions are 17.5” (W) x 1.75” (H) x 23” (D).
  • Which chassis models are supported by this line card?
    Supported chassis models include DCS-7516N, DCS-7512N, DCS-7508N, DCS-7504N, DCS-7508, and DCS-7504.
  • What is the minimum EOS version required for this line card?
    The minimum EOS version required is 4.18.1F.
  • What are the operating temperature limits for the line card?
    The operating temperature ranges from 0˚C (32˚F) to 40˚C (104˚F).
  • How does the line card perform in terms of altitude adaptability?
    It operates effectively from 0ft (0m) up to 10,000 ft (3,000m).

Product Review

The Arista DCS-7500RM-36CQ-LC offers a high-density, 36-port 100GbE QSFP100 interface, supporting up to 36 100GbE or 40GbE ports, which is highly beneficial for environments requiring extensive bandwidth and connectivity options. However, the lack of AlgoMatch and accelerated sFlow may limit its appeal for deployments where advanced traffic management and monitoring capabilities are critical. Additionally, its power consumption peaks at 1,049W, which could be a consideration for energy-conscious operations, despite its comprehensive chassis support and compatibility with a broad range of operating temperatures and altitudes.


The Arista DCS-7500RM-36CQ-LC is a high-performance line card designed for dense network environments, offering a remarkable solution for high-speed data transmission. This line card features 36 ports of 100GbE QSFP100, supporting a substantial bandwidth that can cater to the needs of data-intensive applications and large-scale data centers. The inclusion of MACsec provides enhanced security for data in transit, ensuring confidentiality and integrity across the network. One of the critical attributes of the DCS-7500RM-36CQ-LC is its ability to operate at wire speed, ensuring that data flows efficiently through the network without bottlenecks. This capability is paramount for networks handling large volumes of data and requiring high throughput for optimal performance. The line card is designed as a spare, ensuring easy replacement and minimal downtime for maintenance or upgrades. The hardware specifications of the DCS-7500RM-36CQ-LC are tailored for high performance and reliability: - Interface: QSFP100, enabling high-density connections and simplifying the network infrastructure with fewer cables and switches. - Maximum Ports: It supports up to 36 100GbE ports and, through configuration, can also support 36 40GbE ports, offering flexibility in network design and scalability. - Packet Buffer: A large 24GB packet buffer helps in managing traffic surges, ensuring smooth data transmission and reducing packet loss. The device measures 17.5 inches in width, 1.75 inches in height, and 23 inches in depth, with a weight of 17.0 lbs (7.7 kg), making it a compact yet powerful component for any network infrastructure. Despite its high performance, the typical power consumption is 782W, with a maximum of 1,049W under full load, reflecting its efficiency. Compatibility with various chassis models, including DCS-7516N, DCS-7512N, DCS-7508N, DCS-7504N, DCS-7508, and DCS-7504, provides flexibility in deployment, allowing for integration into existing network setups. For optimal performance, the minimum EOS version required is 4.18.1F. Environmental conditions are also a consideration in the design of the DCS-7500RM-36CQ-LC: - Operating temperature ranges from 0˚C (32˚F) to 40˚C (104˚F), and storage temperatures span from -40˚C (-40˚F) to 70˚C (158˚F). - The device can operate at altitudes up to 10,000 ft (3,000m), accommodating various installation environments. Relative humidity tolerance from 5 to 95% ensures the line card's performance in a wide range of climatic conditions, enhancing its reliability and durability. In conclusion, the Arista DCS-7500RM-36CQ-LC is a powerful, efficient, and versatile line card suitable for high-density networking environments. Its high-speed interfaces, large packet buffer, and compatibility with multiple chassis types make it an ideal choice for data centers looking to scale their operations or enhance network security and performance.


Model NumberArista DCS-7500RM-36CQ-LC
Ports36 x 100GbE QSFP100, supports MACsec, full-duplex
Port TypeQSFP100
Maximum 100GbE Ports36
Maximum 40GbE Ports36
Buffer Size24GB
Mass17.0 lbs (7.7 kg)
Power Usage Standard (Peak)782W (1,049W)
Support for AlgoMatchNo
Support for Accelerated sFlowNo
Width17.5 inches (44.5 cm)
Height1.75 inches (4.5 cm)
Depth23 inches (58.4 cm)
Compatible ChassisDCS-7516N, DCS-7512N, DCS-7508N, DCS-7504N, DCS-7508, DCS-7504
Required EOS Version4.18.1F
Operational Temperature Range0˚C (32 ˚F) to 40˚C (104˚F)
Storage Temperature Range-40˚C (-40˚F) to 70˚C (158˚F)
Humidity Tolerance5% to 95%
Minimum Altitude for Operation0ft (0m)
Maximum Altitude for Operation10,000 ft (3,000m)

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