Dell 91C9R 25GE 850nm Short Wavelength SFP+ Transceiver

Mfr. Part #: 91C9R
Brand: Dell
Condition: Refurbished
-12%
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91C9R

Dell 91C9R 25GE 850nm Short Wavelength SFP+ Transceiver

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91C9R Overview

DELL 91C9R Sfp28 Sr Optical Transceiver 25gbe, Intel, Customer Kit.

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Frequently Asked Questions

What is the primary function of the Dell 91C9R SFP28 module? +
The Dell 91C9R is a high-performance SFP28 optical transceiver designed to provide high-speed data connectivity for enterprise network switches and servers. It is specifically engineered to support 25GbE data rates, enabling IT administrators to bridge bandwidth bottlenecks in data centers and high-density computing environments with low latency and reliable signal integrity.
Which networking hardware is compatible with the 91C9R transceiver? +
This module is designed for seamless integration with a wide range of Dell EMC networking switches and server platforms that feature SFP28 ports. It ensures full hardware interoperability within the Dell ecosystem, allowing for consistent performance and straightforward deployment when expanding or upgrading existing network infrastructure to meet modern speed requirements.
How does the 91C9R perform in high-density data center environments? +
Engineered for demanding enterprise workflows, the 91C9R excels in high-density deployments by offering stable, high-throughput connectivity. Its form factor allows for maximum port utilization on top-of-rack switches, ensuring that heavy traffic loads from virtualization, cloud applications, and storage area networks are handled efficiently without thermal throttling or link degradation.
Is the 91C9R capable of backward compatibility with SFP+ ports? +
While SFP28 interfaces often maintain physical dimension parity with SFP+, compatibility depends strictly on the specific host switch’s port configuration. You should verify your switch firmware and interface settings to confirm if the device supports auto-negotiation or manual downgrading to 10GbE speeds. Always consult your switch documentation to ensure the port can accommodate the 25GbE optical signaling.
What type of cabling is required to maximize the 91C9R performance? +
To achieve optimal performance and reach, this module requires high-quality fiber optic cabling tailored to your specific infrastructure distance needs. Depending on the fiber type used, such as single-mode or multi-mode, ensure your patch cables are clean and inspected for defects. Using industry-standard cabling ensures that signal loss is minimized, preserving the integrity of the 25GbE link.
Does the 91C9R module require any specific software configuration? +
Typically, these transceivers are plug-and-play devices that are automatically recognized by Dell networking equipment upon insertion. While minimal physical installation is required, you may need to access your switch command-line interface to verify port status and ensure the interface is configured for the correct operational speed and duplex settings as dictated by your specific network topology.
What are the primary advantages of using genuine 91C9R hardware? +
Utilizing genuine hardware ensures complete compatibility with Dell switch diagnostics and monitoring tools. This allows for real-time tracking of optical light levels, temperature, and link status through the switch’s management interface. Using authentic components avoids potential compatibility errors or communication failures that can occur with non-certified modules during critical network operations.
How should I handle and install the 91C9R module to ensure reliability? +
Proper handling is essential to maintain optical performance. Always keep the protective dust cap on the optical bore until you are ready to connect the fiber cable. Avoid touching the connector ends to prevent oil or debris contamination. When inserting the module, ensure it clicks firmly into the SFP28 slot, providing a secure electrical and physical connection to the backplane.
Can I receive a discount for purchasing the 91C9R in bulk from BuyRouterSwitch.com? +
Yes, BuyRouterSwitch.com offers competitive pricing for large-scale procurement. If you are planning a data center refresh or require a high volume of these transceivers, contact our dedicated sales team to request a customized quote. We specialize in supporting enterprise-level hardware needs and can provide tailored pricing based on the scale of your order.
Why should I choose BuyRouterSwitch.com for my networking procurement? +
BuyRouterSwitch.com is a trusted source for authentic enterprise-grade networking components. We prioritize providing verified, high-quality hardware that meets strict industry standards. By choosing us for your 91C9R modules, you gain access to a reliable supply chain, secure ordering processes, and expert sales assistance designed to ensure your infrastructure projects stay on track and within budget.

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