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by Arista
Product Line: Arista QSFP+ transceivers
Product Type: QSFP40GPLRL4
Original price $0.00 - Original price $189.00
Original price
$0.00 - $189.00
Current price $189.00
Title: Used

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Product Description

The QSFP-40G-PLRL4 is a high-performance networking module designed for long-distance data transmission, supporting a reach of 1.4km over SMF with an Interface Type of IR4-PSM and MPO connector. It operates at a 40Gbase rate category, utilizing 4 parallel lanes with each lane capable of up to 11.2Gbps, achieving an aggregate bandwidth of up to 40G. This module is QSFP+ MSA compliant, requires a single +3.3V power supply, and operates within a temperature range of 0~70 °C (standard) to -40 to +85 °C (industrial), with a maximum power consumption of 3.5W.

Key Feature for the QSFP40GPLRL4

  • What is the TX Wavelength of the 40Gbase IR4-PSM module?
    The TX Wavelength is 13.
  • Can the specified module support transmission over SMF?
    Yes, it is designed for Single Mode Fiber (SMF) with a reach of up to 1.4km.
  • What is the maximum data rate supported by each channel of this QSFP+?
    Each channel supports up to 11.2Gbps, making the total bandwidth up to 40G.
  • Is DDM available on this networking hardware?
    Yes, it includes Digital Diagnostic Monitoring (DDM).
  • What type of connector is used with this QSFP+ module?
    It utilizes an MPO connector type.
  • What are the minimum and maximum TX power levels?
    The TX Power ranges from -5.20 dBm to +0.50 dBm.
  • How does this module comply with environmental regulations?
    It's RoHS-6 compliant, adhering to restrictions on hazardous substances.
  • What are the operating case temperature ranges for this device?
    Standard operating temperature ranges from 0 to 70 °C, with an industrial range of -40 to +85 °C.
  • What power supply voltage is required for this QSFP+ module?
    A single +3.3V power supply is needed, with a voltage range of 3.15V to 3.45V.
  • What is the maximum power consumption of this device?
    It has a maximum power consumption of up to 3.5W.

Product Review

The Arista QSFP-40G-PLRL4 offers a high data rate of up to 40Gbps across four parallel lanes, supporting an impressive 1.4km reach over single-mode fiber with an MPO connector, catering to extensive network infrastructure needs. Despite its high performance, the module's power consumption peaks at 3.5W, which could be a concern in energy-sensitive environments. Additionally, its compatibility with both standard and industrial operating temperatures, along with QSFP+ MSA compliance, ensures versatility across various deployment scenarios.


The Arista QSFP-40G-PLRL4 is a high-performance, low-power transceiver designed for long-range data transmission over single-mode fiber (SMF). It supports a 40Gbase rate category with an IR4-PSM interface type, making it suitable for extensive data communication networks. This transceiver operates efficiently within a wavelength of 13 and can achieve a reach of up to 1.4km, with the capability to extend up to 1.5km under optimal conditions. This module incorporates four parallel lanes, each capable of a data rate of up to 11.2Gbps, culminating in an aggregate bandwidth of up to 40G. It adheres to the QSFP+ Multi-Source Agreement (MSA) standards, ensuring compatibility with a wide range of networking equipment. The Arista QSFP-40G-PLRL4 utilizes a MPO connector type, designed for easy and secure connection to network cables. Digital Diagnostic Monitoring (DDM) is supported, allowing for real-time tracking of module performance parameters such as temperature, voltage, and signal strength. This feature is essential for network administrators to monitor and ensure optimal performance. Key hardware specifications include: - Transmit Power: Ranges from a minimum of -5.20 dBm to a maximum of +0.50 dBm. - Receive Power: Acceptable input power spans from -12.6 dBm to +0.50 dBm. - Power Consumption: Operates efficiently with a maximum power consumption of 3.5W. The module is designed to operate within a standard case temperature range of 0 to 70 °C, with an industrial range extending from -40 to +85 °C, accommodating various environmental conditions. It requires a single +3.3V power supply, with supply voltage ranging from 3.15V to 3.45V, ensuring low power consumption and reducing operational costs. Other important specifications include: - Storage Temperature: Maintains integrity from -40 to +85 °C, accommodating a wide range of storage conditions. - Relative Humidity: Can operate in environments with 0 to 85% humidity, ensuring reliability in diverse operating conditions. The Arista QSFP-40G-PLRL4 is also compliant with RoHS-6 directives, indicating a commitment to environmental sustainability by limiting the use of hazardous substances in its manufacture. In summary, the Arista QSFP-40G-PLRL4 transceiver is designed for efficient, high-speed data transmission over long distances. With its support for DDM, low power consumption, and adherence to industry standards, it is an ideal solution for expanding high-speed networks while ensuring reliability and performance.


Part Number Arista QSFP-40G-PLRL4
Manufacturer Arista
Transmission Wavelength 13
Maximum Distance 1.4 kilometers
Fiber Type Single-Mode Fiber
Data Rate Classification 40Gbps Ethernet
Physical Coding Sublayer IR4-PSM
Digital Diagnostic Monitoring Supported
End Connector MPO
Transmit Power Range -5.20 to +0.50 dBm
Receive Power Range -12.6 to +0.50 dBm
Channel Configuration Four Parallel Channels
Channel Data Rate Up to 11.2 Gbps per channel
Total Capacity 40 Gbps
Compliance QSFP+ Multi-Source Agreement
Maximum Transmission Distance 1.5 kilometers
Power Usage Up to 3.5W
Electric Power Input Single +3.3V
Operational Temperature Range 0°C to 70°C (Standard), -40°C to +85°C (Industrial)
Environmental Compliance RoHS-6
Minimum Storage Temperature -40°C
Maximum Storage Temperature +85°C
Humidity Range 0% to 85% (non-condensing)
Operational Voltage Range 3.15V to 3.45V
Power Supply Requirement 3.15V (Min) to 3.45V (Max)
Power Consumption Range 0W to 3.5W

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