Arista Networks QSFP-40G-PLR4 SMF Optical Transceiver Module

Name: Arista Networks QSFP-40G-PLR4 SMF Optical Transceiver Module
Brand: Arista
SKU: QSFP-40G-PLR4
Price: 897.00 USD
Availability: InStock
Rating: 5 (13 reviews)

Mfr. Part #: QSFP-40G-PLR4

Brand: Arista

Condition: New

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QSFP-40G-PLR4

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overview

specifications

faqs

reviews

overview

QSFP-40G-PLR4 Overview

ARISTA QSFP-40G-PLR4 40g Qsfp+ 10km Over Parallel Smf.

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specifications

Specifications

Overview

Condition	New
Brand	Arista
Stock	In Stock

General Information

Manufacturer	ARISTA
Manufacturer Part Number	QSFP-40G-PLR4
Product Name	Optical Transceiver Module

Key Features

form Factor	Qsfp+
protocols	40g Ethernet, Msa Compliant
connector	Mtp/mpo-12 Male

faqs

Frequently Asked Questions

What is the maximum reach of the Arista QSFP-40G-PLR4 transceiver? +

The Arista QSFP-40G-PLR4 is a high-performance 40GBASE-PLR4 transceiver designed for single-mode fiber infrastructure. It supports reliable data transmission over distances of up to 1.4 kilometers, making it an ideal solution for interconnecting networking equipment across medium-sized data center campuses or large enterprise facility footprints.

Which interface connector type does the QSFP-40G-PLR4 utilize? +

This module is equipped with an MPO (Multi-fiber Push-On) connector interface. This design allows for the aggregation of four 10Gbps lanes over parallel single-mode fiber, which is specifically optimized for high-density 40GbE connectivity requirements within modern leaf-spine network architectures.

Is the Arista QSFP-40G-PLR4 compatible with standard 40GbE QSFP+ ports? +

Yes, this transceiver is fully compliant with the QSFP+ form factor standard. It is engineered for seamless interoperability with Arista switches featuring QSFP+ ports, ensuring that it integrates smoothly into your existing network environment without requiring proprietary hardware workarounds or specialized port configurations.

Can the QSFP-40G-PLR4 be used for 4x10G breakout applications? +

Absolutely. Because the PLR4 standard utilizes four parallel lanes, this transceiver is well-suited for breakout configurations. By using the appropriate MPO-to-LC fiber harness cables, you can effectively split a single 40GbE port into four distinct 10GbE connections, providing significant flexibility for high-density server access layers.

What type of cabling is required for the Arista QSFP-40G-PLR4? +

The QSFP-40G-PLR4 requires OS2 single-mode fiber optic cabling. It is specifically calibrated to function over parallel single-mode fiber, which minimizes signal attenuation and ensures consistent data throughput for demanding 40G Ethernet applications compared to legacy multi-mode alternatives.

How does the power consumption of this Arista module impact my switch thermal profile? +

The QSFP-40G-PLR4 is designed for high efficiency, adhering to standard QSFP+ power consumption guidelines to ensure your switch remains within its thermal operating envelope. By maintaining a low power footprint, these modules allow you to maximize port density without exceeding the cooling or power capacity of your networking hardware.

What is the primary deployment scenario for the QSFP-40G-PLR4? +

This transceiver is best deployed in enterprise data centers requiring high-speed links between core switches or for long-reach connectivity within a facility. Its ability to support single-mode fiber makes it the preferred choice for environments where signal integrity over distance is more critical than the cost benefits of shorter-reach multi-mode cabling.

Are there specific management requirements for installing the QSFP-40G-PLR4? +

Installation is straightforward thanks to the hot-swappable nature of the QSFP+ standard. Once inserted into a compatible Arista switch port, the device is typically recognized automatically. Monitoring can then be performed through the switch's command-line interface, allowing you to track optical power levels and diagnostic data in real-time.

How can I request a bulk quote for multiple QSFP-40G-PLR4 units? +

For large volume orders or corporate projects, visit BuyRouterSwitch.com and utilize our dedicated quote request form. Our sales specialists provide competitive pricing tailored to your procurement needs, helping your organization achieve significant cost savings on bulk purchases of networking hardware while ensuring you receive consistent, reliable support for your infrastructure expansion.

Why should I choose BuyRouterSwitch.com for my Arista transceiver requirements? +

BuyRouterSwitch.com is a trusted source for professional-grade networking equipment. We pride ourselves on offering only authentic, high-quality hardware that meets strict industry standards. By choosing us, you benefit from our streamlined ordering process and extensive inventory, ensuring your mission-critical network components are sourced efficiently and arrive ready for deployment.

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