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by Arista
Product Line: Arista DCS-7508R-FM
Product Type: Switch
Original price $0.00 - Original price $866.00
Original price
$0.00 - $866.00
Current price $866.00
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-7508R-FM is an integrated fan module designed specifically for the 7508 and 7508N chassis, supporting fabric slots 1-6 with a redundancy configuration of 5+1. This module measures 2.5 x 14 x 10.25 inches (HxWxD) and weighs 13.4 lbs, drawing a typical power of 224W, with a maximum of 298W. It is a key component in achieving the system's maximum throughput of 75Tbps and a processing speed of 34.5 billion packets per second (Bpps), supporting up to 1,152 10GbE and 25GbE ports, 288 40GbE and 100GbE ports, and 576 50GbE ports.

Key Feature for the DCS-7508R-FM

  • What are the physical dimensions of the Integrated Fan Module for the 7508 and 7508N Chassis?
    The dimensions are 2.5 x 14 x 10.25 inches (6.4 x 35.6 x 26 cm).
  • How many fabric module slots does the 7508 chassis support?
    It supports 6 fabric module slots.
  • What is the weight of the 7508 chassis when fully equipped?
    The full system weighs 400 lbs (182 kg).
  • Can you detail the redundancy feature of the Integrated Fan Module?
    The module offers a redundancy configuration of 5+1.
  • What is the maximum 100GbE density the chassis can achieve?
    The maximum 100GbE density is 288 ports.
  • What power supply configuration does the 7508 chassis use?
    It utilizes 8 power supply slots.
  • How much does the Integrated Fan Module weigh?
    The module weighs 13.4 lbs (6.1 kg).
  • What are the operating and storage temperature ranges for the chassis?
    Operating temperature is 0 to 40˚C (32 to 104˚F), and storage temperature is -40 to 70˚C (-40 to 158˚F).
  • What is the maximum throughput and PPS the chassis can handle?
    It can handle up to 75Tbps throughput and 34.5Bpps.
  • What is the typical and maximum power consumption of the Integrated Fan Module?
    Typical power consumption is 224W, with a maximum of 298W.

Product Review

The Arista DCS-7508R-FM offers high port density, supporting up to 1,152 10GbE and 25GbE ports, making it ideal for environments requiring high bandwidth and scalability. However, its maximum power consumption of 11,000W and a weight of up to 400 lbs when fully equipped may pose challenges for deployment in facilities with limited space or power capacity. Additionally, the integrated fan module ensures cooling efficiency across fabric slots 1-6, enhancing system reliability through its 5+1 redundancy configuration.


The Arista DCS-7508R-FM is a critical component designed for the Arista 7508 and 7508N chassis, optimizing cooling efficiency and system performance. This integrated fan module is specifically engineered for fabric slots 1 through 6, ensuring that the system maintains operational integrity under various workloads. With a redundancy configuration of 5+1, it provides a reliable cooling solution critical for maintaining system uptime and performance. Weighing 13.4 lbs (6.1 kg) and measuring 2.5 x 14 x 10.25 inches (6.4 x 35.6 x 26 cm), the module is designed to fit seamlessly into the specified chassis without adding unnecessary bulk. It operates within a typical power range of 224W, reaching up to 298W at maximum, indicating its efficiency in power consumption relative to its cooling output. The Arista DCS-7508R-FM is part of a larger ecosystem within the 7508 and 7508N chassis, which accommodates six fabric module slots and eight power supply slots. The physical dimensions of the chassis are 22.75 x 19 x 31.3 inches (57.8 x 48.3 x 79.5 cm), occupying 13 rack units (RU) and weighing 95 lbs (43.1 kg) when empty. When fully equipped, the system's weight increases to 400 lbs (182 kg), highlighting its substantial capacity for networking hardware. This platform's networking capabilities are formidable, with the maximum port density reaching 1,152 for both 10GbE and 25GbE configurations. For higher bandwidth requirements, it supports up to 288 40GbE ports, 576 50GbE ports, and 288 100GbE ports. Such flexibility in port configurations makes the system highly adaptable to various data center networking requirements. The maximum throughput and packets per second (PPS) it can achieve are 75Tbps and 34.5Bpps, respectively, showcasing its ability to handle significant data traffic with ease. The operation of this hardware is optimal within a temperature range of 0 to 40˚C (32 to 104˚F), and it is designed to withstand storage temperatures from -40 to 70˚C (-40 to 158˚F). Its performance remains stable in environments with relative humidity levels between 5 to 90% and at altitudes up to 10,000 feet (0-3,000m), ensuring that it can be deployed in a variety of geographic locations and conditions. Key specifications include:
  • Maximum Power Consumption: 11,000W
  • Integrated Fan Module: Yes
  • Maximum Throughput/PPS: 75Tbps/34.5Bpps
In summary, the Arista DCS-7508R-FM is a vital component for the Arista 7508 and 7508N chassis, facilitating optimal cooling and operational efficiency. Its design and specifications ensure that it meets the needs of demanding data center environments, providing a scalable and reliable solution for high-capacity networking.


ItemArista DCS-7508R-FM
DescriptionFan Module for 7508/7508N Chassis, necessary for fabric slots 1 through 6
Redundancy Configuration5+1
Size (Height x Width x Depth)2.5 x 14 x 10.25 inches (6.4 x 35.6 x 26 cm)
Mass13.4 pounds (6.1 kilograms)
Power Usage (Typical/Maximum)224 Watts / 298 Watts
Presence of Fan ModuleYes
Number of Fabric Module Slots6
Number of Power Supply Units8
Chassis Dimensions (Height x Width x Depth)22.75 x 19 x 31.3 inches (57.8 x 48.3 x 79.5 cm) / 13RU
Chassis Weight95 pounds (43.1 kilograms)
Total System Weight400 pounds (182 kilograms)
10GbE Port Capacity1,152
25GbE Port Capacity1,152
40GbE Port Capacity288
50GbE Port Capacity576
100GbE Port Capacity288
Peak Throughput/Packet Rate75 Terabits per second / 34.5 Billion packets per second
Maximum Energy Consumption11,000 Watts
Operational Temperature Range0 to 40°C (32 to 104°F)
Temperature Range for Storage-40 to 70°C (-40 to 158°F)
Humidity Tolerance5% to 90%
Altitude Range for Operation0 to 10,000 feet (0 to 3,000 meters)

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