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by Arista
Product Line: Arista FAN-7000 series fans
Product Type: Fan
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Product Description

The FAN-7002-R is a spare fan module designed for the Arista 7050X/7250X, 7260QX 2RU, and 7300 series switches, ensuring optimal rear-to-front airflow. It supports configurations of up to 32 40GbE or 128 10GbE ports utilizing QSFP+ optics and breakout cables, offering flexibility with Copper, Multimode, and Single-mode options for 40G and 10G connections. This module is engineered for efficiency, with a power consumption of under 12W per 40G port and dimensions of 1.73” x 8.24” x 11.84” (4.4 x 21 x 30.1cm), maintaining a weight of 4.2 lbs (1.9 kg) and operating within a temperature range of 0°C to 40°C.

Key Feature for the FAN-7002-R

  • What is the airflow direction for the spare fan module designed for Arista 7050X/7250X and 7260QX 2RU switches?
    The airflow direction is rear-to-front.
  • Can the QSFP+ ports on the Arista switches support both 40GbE and 10GbE configurations?
    Yes, the four QSFP+ ports can be configured for either 4 x 40GbE or 16 x 10GbE, providing flexible connectivity options.
  • What are the power consumption and performance metrics for a 40G port on this device?
    Each 40G port consumes under 12W of power and delivers 1.92Bpps.
  • How many 10G ports can be supported on a single line card, and what is the power efficiency for these ports?
    A single line card can support up to 64 10G ports, with each port consuming under 3W and delivering 960Mpps.
  • What is the maximum operating temperature for the Arista switches?
    The maximum operating temperature is 40°C.
  • Regarding the Arista switch's dimensions, what are its height, width, and depth?
    The dimensions are 1.73” (H) x 8.24” (W) x 11.84” (D).
  • What Spanning Tree Protocol instances are supported by these switches?
    The switches support 64 instances for MST and 510 instances for RPVST+.
  • How many Access Control Lists (ACLs) can the Arista switches handle?
    The switches can manage from 4K to 128K ACLs, with egress ACLs ranging from 1K to 16K.
  • What is the weight of the Arista switch fan module?
    The fan module weighs 4.2 lbs (1.9 kg).
  • Describe the supported environmental conditions for the Arista switches.
    The operating temperature ranges from 0°C to 40°C, with a relative humidity range from 5% to 95%, and an operating altitude of up to 10,000 ft (0-3,000m).

Product Review

The Arista FAN-7002-R, designed for rear-to-front airflow, is compatible with multiple Arista switch series, including the 7050X/7250X, 7260QX 2RU, and 7300, ensuring versatile use across different network configurations. It supports a high density of Ethernet ports, offering configurations up to 32 40GbE or 128 10GbE with efficient power usage below 12W per 40G port, enhancing energy efficiency in data centers. However, its operating temperature range is limited to 0°C to 40°C, potentially restricting deployment in environments with extreme temperature variations.


The Arista FAN-7002-R is a specialized spare fan module designed to support a wide range of Arista switches including the 7050X/7250X, 7260QX 2RU, and 7300 series. Engineered for environments that require back-to-front airflow, this module is essential for maintaining optimal operating temperatures and ensuring reliable network performance. The fan's compatibility with various switch models makes it a versatile solution for network infrastructure cooling needs. This fan module supports an impressive array of connectivity options. It enables up to 32 40GbE or 128 10GbE ports through the use of QSFP+ optics and breakout cables. This flexibility ensures that network administrators can tailor the configuration to meet specific bandwidth and connectivity requirements. The module offers connectivity choices among Copper, Multimode, and Single-mode options for both 40G and 10G connections, providing further versatility in network design. The hardware specifications of the Arista FAN-7002-R are designed to facilitate efficient and high-capacity network operations. The fan module supports configurations that can achieve 1.92 billion packets per second (Bpps) with a power consumption of under 12W per 40G port. For 10G ports, the efficiency is even more pronounced, with the capability to handle 960 million packets per second (Mpps) while consuming under 3W per port. This level of performance efficiency is critical for maintaining the sustainability and cost-effectiveness of a data center's operations.
  • Dimensions of the fan module are compact, measuring 1.73” x 8.24” x 11.84” (4.4 x 21 x 30.1cm), allowing for easy installation in various hardware setups without requiring excessive space.
  • It has a weight of 4.2 lbs (1.9 kg), making it lightweight and manageable for technicians during installation or replacement processes.
  • The operating temperature range is broad, from a minimum of 0°C to a maximum of 40°C, ensuring reliable performance across various environmental conditions.
Beyond physical and performance specifications, the Arista FAN-7002-R supports advanced networking features. It accommodates up to 64 STP instances for MST and 510 for RPVST+, allowing for flexible and scalable network segment management. The module supports a vast number of GMP groups, up to 288K, with the capability to handle 8K unique groups. This is essential for managing multicast traffic efficiently across enterprise networks. The ACL capacity ranges from 4K to 128K, with egress ACLs from 1K to 16K, providing comprehensive traffic filtering and security control. Additionally, it supports ECMP with 64-way, 1K groups, enabling effective load balancing and redundancy across the network. In conclusion, the Arista FAN-7002-R is a critical component for maintaining the operational integrity of compatible Arista switches. With its comprehensive support for high-capacity network configurations, efficient power consumption, and advanced network feature support, it is an essential piece of hardware for any data center looking to optimize their network's performance and reliability.


Part Number and ManufacturerArista FAN-7002-R
Fan Module CompatibilityCompatible with Arista 7050X/7250X, 7260QX 2RU, and 7300 series switches, supports rear-to-front air circulation
Connectivity OptionsSupports up to 32 40GbE or 128 10GbE connections using QSFP+ optics and breakout cables
Media Type SupportSupports Copper, Multimode, and Single-mode cables for both 40G and 10G connections
Performance EfficiencyDelivers 1.92 Billion packets per second (Bpps) consuming less than 12W for each 40G port
Port Configuration FlexibilityOffers configurations including 64 10G ports per line card, or a mix of 48 1/10GbE ports with adaptable 10G/40G options
QSFP+ Ports ConfigurationFour QSFP+ ports configurable as 4 x 40GbE or 16 x 10GbE
10G Port EfficiencyEach 10G port processes up to 960 Million packets per second (Mpps) while consuming less than 3W
High-Density Port ModelIncludes 48 ports for 100/1G/10GbE and 4 ports for 10/40G configurations
Physical DimensionsMeasures 1.73” x 8.24” x 11.84” (Height x Width x Depth)
10G Port Power EfficiencyProcesses up to 960Mpps using under 5W per port
Spanning Tree Protocol InstancesSupports 64 instances for MST and 510 for RPVST+
IGMP Group CapacitySupports up to 288K groups with 8K distinct groups
Access Control Lists (ACL)Range from 4K to 128K
Egress ACL SupportSupports 1K to 16K egress ACLs
Equal-Cost Multi-Path (ECMP)Enables 64-way ECMP with 1K groups
Unit WeightWeights 4.2 lbs (1.9 kg)
Minimum Operating Temperature0°C
Maximum Operating Temperature40°C
Minimum Storage Temperature-40°C
Maximum Storage Temperature70°C
Minimum Operating Humidity5%
Maximum Operating Humidity95%
Operational Altitude Range0 to 10,000 feet (0 to 3,000 meters)

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