Skip to content

StarTech.com Arista QSFP-40G-XSR4 Compatible QSFP+ Module - 40GBASE-SR4 - 40GE QSFP+ 40GbE Multimode Fiber Optic Transceiver 400m DDM

SKU QSFP-40G-XSR4-AR-ST
Sold out
Original price $594.99
Original price $594.99 - Original price $594.99
Original price $594.99
Current price $515.91
$515.91 - $515.91
Current price $515.91

The QSFP-40G-XSR4-AR-ST is an Arista QSFP-40G-XSR4 compatible fiber transceiver module that has been designed, programmed and tested to work with Arista 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 400 m (1312 ft.).

Technical Specifications:

  • Wavelength: 850nm
  • Maximum Data Transfer Rate: 40 Gbps
  • Type: Multi Mode
  • Connection Type: MPO
  • Maximum Transfer Distance: 10 km (6.2 mi)
  • MTBF: 244,610,583 hours
  • Power Consumption: Low power consumption
  • Digital Diagnostics Monitoring (DDM): Yes

This SFP 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% ARISTA NETWORKS QSFP-40G-XSR4 COMPATIBLE QSFP+ TRANSCEIVER: Designed, programmed and tested to work with compatible Arista Networks switches and routers to deliver dependable 40GbE connectivity
  • TECHNICAL SPECS: 40GBASE-SR4
  • 40Gbps
  • Multi Mode (MMF)
  • MPO Connector
  • 850nm

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare