FiberApps BV
Diestseweg 162/D
2440 GEEL, België
BTW: BE0719.475.724
Ondernemingsnummer: 0719.475.724
E-mail: [email protected]
Tel: +3238082065 (Ma-Vr: 09u00-17u00)
© 2026 FiberCommerce (part of FiberApps bv). All rights reserved.
VAT: BE0719.475.724 - Company No: 0719.475.724

StarTech.com Cisco QSFP-40G-LR4 Compatible QSFP+ Transceiver Module - 40GBASE-LR4~Cisco QSFP-40G-LR4 Compatible QSFP+ Module - 40GBASE-LR4 - 40GbE Single Mode Fiber SMF Optic Transceiver - 40GE Gigabit Ethernet QSFP+ - LC 10km - 1270nm to 1330nm - DDM Cisco Firepower, ASR1000, ASR9000. SFP transceiver type: Fiber optic, Maximum data transfer rate: 40000 Mbit/s, Interface type: QSFP+. Product colour: Silver, Housing material: Aluminium, Mean time between failures (MTBF): 1489426 h. Power consumption (typical): 2.5 W. Compliance certificates: CE, RoHS. Width: 18.4 mm, Depth: 72 mm, Height: 13 mm
40 Gbps | Single Mode Fiber | LC | 10 km (6.2 mi) | Lifetime Warranty
The 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): 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.
The StarTech.com Advantage




