40 Gbps | Single Mode Fiber | LC | 10 km (6.2 mi) | Lifetime WarrantyThe QSFP40GLR4ST is a Cisco QSFP-40G-LR4 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): YesThis QSFP+ fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions.StarTech.com SFPsAll 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.The StarTech.com Advantage