Range/Series Overview
IMPORTANT: This Range/Series overview section describes the range of which this product belongs. Features of different versions might be mentioned and may not apply to the specific product on this page. Please view Specs for specification of product.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.
Features Summary
- Reliable connectivity
The module supports a data transfer rate of 40 Gbps, providing performance for high-bandwidth applications while maintaining reliable connections. - Versatile distance capabilities
With a maximum transfer distance of 10 km, this module is suitable for a variety of networking setups, helping maintain network performance over long distances. - High-standard compliance
It adheres to various compliance standards including UL, FCC, RoHS, and MSA, ensuring a dependable product that meets regulatory requirements. - Advanced monitoring features
Equipped with Digital Optical Monitoring (DOM) and Digital Diagnostics Monitoring (DDM) capabilities, allowing for real-time monitoring and diagnostics to optimize performance. - Efficient connection type
The module utilizes LC single-mode connectors which enhance connection quality and are ideal for high-speed networking applications.
Specification Summary
Product Description
Startech Cisco QSFP-40G-LR4 Compatible QSFP+ Module, 40GBASE-LR4, 40GbE SMF Optic Transceiver, 40GE Gigabit Ethernet LC Connector, 10km, 1270nm-1330nm, DDM, Cisco Firepower, ASR1000 - Lifetime Warranty (QSFP40GLR4ST) - QSFP+ transceiver module - 40GbE
Device Type
QSFP+ transceiver module - LC single-mode
Form Factor
Plug-in module
Data Transfer Rate
40 Gbps
Optical Wave Length
1270-1330 nm
Max Transfer Distance
10 km
OEM Manufacturer Equivalent Part Number
Cisco QSFP-40G-LR4
Dimensions (WxDxH)
1.84 cm x 7.2 cm x 0.85 cm
Manufacturer Warranty
Limited lifetime warranty