New Arrivals/Restock

StarTech.com Cisco QSFP-40G-LR4-S Comp. QSFP+ Module - 40GBASE-LR4 - 40GE Gigabit Ethernet 40GbE Single Mode Fiber SMF Optic Transceiver

flash sale iconLimited Time Sale
Until the end
16
50
38

$671.29 cheaper than the new price!!

Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
Please note that the sales price and tax displayed may differ between online and in-store. Also, the product may be out of stock in-store.
New  $958.99
quantity

Product details

Management number 204017166 Release Date 2025/10/31 List Price $287.70 Model Number 204017166
Category

The QSFP40GLR4S is a Cisco QSFP-40G-LR4-S compatible fiber transceiver module that has been designed, programmed and tested to work with Cisco™ brand switches and routers. It delivers dependable 40 GbE connectivity over fiber cable, for 40GBASE-LR4 compliant networks, with a maximum distance of up to 10 km (6.2 mi).

Technical Specifications:

  • Wavelength: 1270nm to 1330nm
  • Maximum Data Transfer Rate: 40 Gbps
  • Type: Single Mode Fiber
  • Connection Type: LC Connector
  • Maximum Transfer Distance: 10 km (6.2 mi)
  • MTBF: 1,489,426 hours
  • Power Consumption: Less than 2.5 Watts
  • Digital Diagnostics Monitoring (DDM): Yes
This QSFP+ fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions.

StarTech.com SFPs

All StarTech.com SFP & SFP+ transceiver modules are backed by a lifetime warranty and free lifetime multilingual technical support. StarTech.com offers a wide variety of SFP modules and direct-attach SFP cables, providing the convenience and reliability you need to ensure dependable network performance.
  • 100% CISCO QSFP-40G-LR4-S COMPATIBLE: Works with Cisco switches like Firepower, ASR1000, ASR9000, C9300, C3850 and others
  • TECHNICAL SPECS: 40GBASE-LR4
  • 40 Gbps
  • Single Mode (SMF)
  • LC Connector
  • 1270nm to 1330nm
  • Digital Diagnostic Monitoring (DDM)
  • Distances up to 10km (6.2mi)
  • TESTED FOR OEM HOST COMPATIBILITY: Hot-swappable in Cisco routers and switches; DDM support reports the transceiver's status to most SNMP network management tools
  • OUTSTANDING SUPPORT: Backed by StarTech.com for the life of the module itself, not your equipment; our modules won't void your OEM support and with access to our Tech Advisors 5/24
  • WORKS WITH MSA COMPLIANT SWITCHES: Also works with switch models from Ubiquiti, D-Link, Netgear, Supermicro, TP-Link and more that accept uncoded modules

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Product Review

You must be logged in to post a review