Arista SFP-25G-LR 25GBASE-LR SFP Transceiver up to 10 km over duplex SMF

Mfr. Part #: SFP-25G-LR
Brand: Arista
Condition: Refurbished
-13%
  • Was: $128.80
    You Save: $16.80 13% OFF
    $112.00 In Stock - Ships Worldwide Order by 2:00 PM ET for Overnight Shipping
  • Warranty: 90-day return/replacement

    Click here to read our Return Policy for returns/replacements.

SFP-25G-LR

Arista SFP-25G-LR 25GBASE-LR SFP Transceiver up to 10 km over duplex SMF

Extra 5% Off at Checkout

  • Genuine Guarantee
  • Volume Pricing Available
Free ground shipping within the
United States
Sam Gov

Government, Federal & Education Procurement

We support quotes, POs, stock docs, and compliance invoicing.

Email: support@buyrouterswitch.com SAM.gov Registered Vendor CAGE Code : 23P86
overview
faqs
reviews

SFP-25G-LR Overview

ARISTA SFP-25G-LR 25gbase-lr Sfp Transceiver Up To 10 Km Over Duplex Smf

Need help with SFP-25G-LR?

Get pricing, availability, lead time, and compatible options from our team. Chat with us live or email support@buyrouterswitch.com

Frequently Asked Questions

What is the maximum reach for the Arista SFP-25G-LR transceiver over single-mode fiber? +
The Arista SFP-25G-LR is specifically engineered for long-reach 25G Ethernet connectivity. It supports transmission distances of up to 10 kilometers when utilized with OS2 single-mode fiber optic cabling, making it the ideal solution for campus backbones and interconnecting data centers across medium-range distances.
Does the SFP-25G-LR module support auto-negotiation with older 10G SFP+ ports? +
While the SFP-25G-LR is designed for 25GBASE-LR performance, compatibility depends on your specific Arista switch platform. Most modern Arista SFP28 ports are backward compatible with 10G SFP+ optics, but the reverse is not always true. You should consult your switch's command line interface or release notes to verify if the specific port supports down-clocking for 10G operation.
What type of optical connector is required for the Arista SFP-25G-LR? +
This module features a standard LC duplex interface. To ensure optimal signal integrity, you must use high-quality single-mode patch cables with LC connectors. Always verify that your fiber infrastructure is terminated correctly before installation to prevent signal loss or physical damage to the transceiver's delicate optical components.
Can the SFP-25G-LR be used in non-Arista networking hardware? +
The SFP-25G-LR is designed to Arista's stringent quality and firmware standards to ensure seamless integration with Arista switching fabric. While SFP28 is a standardized form factor, using original Arista-branded optics is highly recommended to avoid potential compatibility issues, port errors, or firmware blocking often found in third-party vendor environments.
What is the power consumption profile of the SFP-25G-LR module? +
This module is optimized for high-density environments where power efficiency is critical. It operates within the standard power envelope for 25G SFP28 optics, helping to keep the overall thermal load of your switch ports low. This allows for higher port density deployments without exceeding the thermal dissipation limits of your Arista hardware chassis.
Is the SFP-25G-LR suitable for high-frequency trading or low-latency environments? +
Yes, the Arista SFP-25G-LR provides extremely low-latency performance required for demanding data center applications. By utilizing high-quality laser components, it ensures minimal jitter and stable signal transmission, which are essential metrics for high-frequency trading environments or any distributed computing cluster that requires reliable, deterministic performance over fiber spans.
How do I monitor the health and light levels of the SFP-25G-LR via the CLI? +
You can monitor the transceiver's operational health using Arista's built-in Digital Optical Monitoring (DOM) tools. By executing commands such as 'show interfaces transceiver' in the Arista EOS CLI, you can view real-time statistics including transmit/receive optical power, temperature, and voltage, allowing for proactive troubleshooting of your fiber link.
What environmental conditions are required for optimal SFP-25G-LR operation? +
For consistent performance, these modules should be operated within the manufacturer-recommended temperature and humidity ranges specified for your Arista switch. Keeping your server room or data center environment clean and climate-controlled will ensure the laser and internal electronics maintain their performance standards and longevity throughout the module's operational lifecycle.
How can I obtain a bulk quote for the Arista SFP-25G-LR through BuyRouterSwitch.com? +
If you are planning a large-scale data center deployment, our sales team is ready to assist. Simply navigate to our bulk quote request page or contact our sales department directly with the specific SKU and quantities required. We specialize in competitive pricing for high-volume network infrastructure projects, ensuring you receive the best possible value for your enterprise hardware needs.
Why should I purchase my Arista SFP-25G-LR transceivers from BuyRouterSwitch.com? +
BuyRouterSwitch.com is a trusted provider of authentic enterprise-grade networking equipment. When you order from us, you are guaranteed genuine Arista hardware, not third-party alternatives. We prioritize a secure ordering process and fast processing for all our clients, helping you maintain a reliable supply chain for your network infrastructure upgrades without the risk of counterfeit components.

Need Help Choosing the Right Part? Talk to an Expert

  • +1 (800) 870-9487
    Mon-Fri 8am-5pm EST
  • support@buyrouterswitch.com
    Technical support
People