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

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

The QSFP-40GE-LR4-ST is a Cisco QSFP-40GE-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
• Connection Type: LC Connector
• Maximum Transfer Distance: 10 km (6.2 mi)
• MTBF: 244,610,583 hours
• Power Consumption: < 1.3W
• Digital Diagnostics Monitoring (DDM): Yes

This QSFP+ fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions.

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-40GE-LR4 COMPATIBLE: Works with Cisco switches like C4500, N7000, N7700, N9300, N9500 and others


• TECHNICAL SPECS: 40GBASE-LR4


• 40 Gbps


• Single Mode (SMF)


• LC Connector


• 1270nm to 1330nm