New Arrivals/Restock

StarTech.com Cisco QSFP-40G-SR4-S Compatible QSFP+ Module - 40GBASE-SR4 40GE Gigabit Ethernet 40GbE Multimode Fiber MMF Optic Transceiver

flash sale iconLimited Time Sale
Until the end
19
29
43

$32.99 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  $65.99
quantity

Product details

Management number 204016183 Release Date 2025/10/31 List Price $33.00 Model Number 204016183
Category

The QSFP-40G-SR4-S-ST is a Cisco QSFP-40G-SR4-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-SR4 compliant networks, with a maximum distance of up to 100 m (328 ft).

Technical Specifications:

  • Wavelength: 850nm
  • Maximum Data Transfer Rate: 40 Gbps
  • Type: Multi Mode Fiber
  • Connection Type: MPO Connector
  • Maximum Transfer Distance: 100 m (328 ft)
  • MTBF: 244,610,583 hours
  • Power Consumption: Low power consumption
  • 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-SR4-S COMPATIBLE: Works with Cisco switches like Firepower, ASR9000, ASR1000, C9300, NCS5500 and others
  • TECHNICAL SPECS: 40GBASE-SR4
  • 40 Gbps
  • Multi Mode (MMF)
  • MPO Connector
  • 850nm

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