StarTech.com 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
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StarTech Cisco QSFP-40G-LR4 Compatible QSFP+ Module - 40GBASE-LR4 - 40GbE SMF Optic Transceiver - 40GE Gigabit Ethernet LC 10km - 1270nm-1330nm - DDM Cisco Firepower, ASR1000 (QSFP40GLR4ST)
Part QSFP40GLR4ST · UPC 065030869317
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Add to cart Continue browsing- 100% CISCO QSFP-40G-LR4 COMPATIBLE: Works with Cisco switches like Firepower, ASR1000, ASR9000, C9300, C3850 and others
- TECHNICAL SPECS: 40GBASE-LR4 / 40 Gbps / Single Mode (SMF) / LC Connector / 1270nm to 1330nm / Digital Diagnostic Monitoring (DDM) / Distances up to 10km (6.2mi)
- TESTED FOR OEM HOST COMPATIBILITY: Hot-swappable in Cisco routers and switches; DDM support reports the transceiver's status to most SNMP network management tools
- WORKS WITH MSA COMPLIANT SWITCHES: Also works with switch models from Ubiquiti, D-Link, Netgear, Supermicro, TP-Link and more that accept uncoded modules
- THE IT PRO’S CHOICE: Designed and built for IT Professionals, this SFP module is backed for life (lifetime of module, not network switch), including free lifetime 24/5 multi-lingual technical assistance.
About this 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.
Manufacturer warranty information
Lifetime
Performance
- SFP transceiver type
- Fiber optic
- Maximum data transfer rate
- 40000 Mbit/s
- Interface type
- QSFP+
- Single-mode fiber (SMF) supported
- Yes
- Fiber optic connector
- LC
- SFP transceiver standard
- LR4
- Maximum transfer distance
- 10000 m
- Tx wavelength (min)
- 1270 nm
- Tx wavelength (max)
- 1330 nm
- Networking standards
- IEEE 802.3ba
- Duplex system
- Full
- Digital Diagnostics Monitoring (DDM)
- Yes
Features
- Product colour
- Silver
- Housing material
- Aluminium
- Hot-swap
- Yes
- Mean time between failures (MTBF)
- 1489426 h
Power
- Power consumption (typical)
- 2.5 W
Certificates
- Compliance certificates
- CE, RoHS
Operational conditions
- Operating temperature (T-T)
- 0 - 70 °C
- Storage temperature (T-T)
- -40 - 85 °C
- Operating relative humidity (H-H)
- 5 - 95%
Weight & dimensions
- Width
- 18.4 mm
- Depth
- 72 mm
- Height
- 13 mm
- Weight
- 44 g
Packaging content
- Quantity per pack
- 1 pc(s)
Packaging data
- Package width
- 94 mm
- Package depth
- 114 mm
- Package height
- 32 mm
- Package weight
- 75 g
Logistics data
- Master (outer) case width
- 250 mm
- Master (outer) case length
- 300 mm
- Harmonized System (HS) code
- 85369010
- Master (outer) case height
- 200 mm
- Products per master (outer) case
- 36 pc(s)
- Country of origin
- China
Specifications and images: Database Right data-sheet 2026 Icecat. All rights reserved. Supplied as is, without warranty. Specs Icecat · Open Content License