Arista QSFP-SR4 40G SR 850nm QSFP+ Optic

Name: Arista QSFP-SR4 40G SR 850nm QSFP+ Optic
Brand: Arista
SKU: QSFP-SR4
Price: 59.28 USD
Availability: InStock
Rating: 5 (10 reviews)

Mfr. Part #: QSFP-SR4

Brand: Arista

Condition: Refurbished

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QSFP-SR4

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overview

specifications

faqs

reviews

overview

QSFP-SR4 Overview

ARISTA QSFP-SR4 40g Sr 850nm Qsfp+ Optic.

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specifications

Specifications

Overview

Condition	Refurbished
Brand	Arista
Stock	In Stock

Key Features

Device Type	Qsfp+ Transceiver Module
Form Factor	Plug-in Module

Networking

Connectivity Technology	Wired
Cabling Type	40gbase-sr4
Data Transfer Rate	40 Gbps

faqs

Frequently Asked Questions

What is the primary application for the Arista QSFP-SR4 transceiver? +

The Arista QSFP-SR4 is a high-density, 40Gbps optical transceiver designed for short-range data transmission within enterprise data centers and campus networks. It is primarily used to connect switches, routers, and servers over multimode fiber, making it an ideal solution for interconnecting high-performance computing clusters or linking top-of-rack switches to aggregation layers in a leaf-spine architecture.

What transmission media and distance does the QSFP-SR4 support? +

This module utilizes MPO-12 fiber connectors and is optimized for OM3 or OM4 multimode fiber cabling. Depending on the fiber quality, it provides reliable 40G connectivity for distances up to 100 meters on OM3 or 150 meters on OM4. It serves as an efficient standard for short-reach backbone cabling within a structured data center environment.

Does the QSFP-SR4 module support breakout configurations? +

Yes, the QSFP-SR4 is fully capable of supporting breakout applications. By using an MPO-to-LC breakout cable, a single 40G QSFP+ port can be split into four independent 10G SFP+ channels. This provides significant flexibility for network architects looking to aggregate multiple 10G server connections into a single high-speed switch port while maximizing port density.

Is the Arista QSFP-SR4 compatible with non-Arista networking hardware? +

While the QSFP-SR4 is specifically engineered for seamless integration with Arista platforms to ensure optimal signaling and performance, it adheres to the industry-standard QSFP+ MSA specifications. Consequently, it is often compatible with other major networking vendor equipment that follows standard SFF-8436 requirements, though performance validation in third-party hardware remains recommended.

What is the power consumption profile for this 40G module? +

The Arista QSFP-SR4 is designed for low power consumption, typically drawing less than 1.5 Watts during full operational loads. This efficiency is critical for dense deployment scenarios where total power budget per switch chassis is a limiting factor, helping to reduce overall thermal output and energy overhead in modern high-density server racks.

How do I ensure the QSFP-SR4 is properly managed within my Arista switch? +

Management is handled through the standard Arista EOS command-line interface. Once inserted into a QSFP+ slot, the transceiver will be automatically recognized by the system. You can use 'show interfaces transceiver' commands to pull diagnostic information, such as real-time optical power levels, temperature, and link status, ensuring proactive monitoring and simple troubleshooting for your fiber links.

What environmental conditions are required for the Arista QSFP-SR4? +

These transceivers are built for standard commercial temperature ranges, typically operating effectively between 0°C and 70°C. They are designed to function reliably in climate-controlled data center environments. Proper airflow management in the rack is essential to maintain these levels and ensure the longevity of the module’s internal laser and optical components.

How does the QSFP-SR4 differentiate itself from longer-range modules? +

The QSFP-SR4 is specifically tuned for short-reach, multi-lane parallel optics, which significantly reduces the cost per gigabit compared to long-range, single-mode transceivers. By utilizing a 12-fiber MPO interface rather than complex duplex single-mode lasers, it delivers the most cost-effective path for high-speed connectivity where your infrastructure spans less than 150 meters.

Can I request a bulk quote for multiple Arista QSFP-SR4 units? +

Absolutely. At BuyRouterSwitch.com, we specialize in supporting large-scale infrastructure rollouts. If you are planning a data center refresh or require a high volume of QSFP-SR4 transceivers for a specific project, please contact our sales team directly. We provide competitive volume pricing tailored to the size of your order to help you optimize your networking budget.

Why should I choose BuyRouterSwitch.com for my enterprise hardware needs? +

We provide direct access to verified enterprise-grade networking components with a focus on supply chain transparency and professional service. Buying from BuyRouterSwitch.com ensures you receive authentic Arista gear with consistent quality control. Our sales team is experienced in complex procurement and is dedicated to helping you secure the exact hardware specifications required for your specific enterprise deployment.

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