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SKU: MWD0LTKAG9 |  Mfg. Part: QSFP40GLR4ST  | UPC: 065030869317  | 
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Startech QSFP40GLR4ST Cisco Qsfp-40g-lr4 Comp. Qsfp+ Module - 40gbase-lr4 - 40ge Gigabit Ethernet 40gbe Single Mode Fiber Smf Optic Transceiver - Cisco Qsfp-40g-lr4 Compatible Qsfp+ - 40gbase-lr4 40 Gbps - 40gbe Module - 40ge Gigabit Ethernet Qsfp+ 1270nm To 1330nm - Single Mode (smf) Transceiver - 10km (6.2mi) - Lc Connector Ddm - Hot-swappable Msa Compliant - Lifetime Warranty

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Condition: New

$924.92  $1248.64
STARTECH STARTECH
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With powerful four-lane performance, this 40GBase-LR4 QSFP+ transceiver module delivers 40 Gigabit connectivity over single-mode fiber with an optical wavelength of 1270nm to 1330nm and a range of up to 10 km (6.2 mi.). It provides a dependable and cost-effective way to add, replace or upgrade the ports on your networking equipment, and it's backed by a lifetime warranty.

General Information
Manufacturer:StarTech.com
Manufacturer Part Number:QSFP40GLR4ST
Manufacturer Website Address:http://www.startech.com
Brand Name:StarTech.com
Product Name:Cisco QSFP-40G-LR4 Compatible QSFP+ Transceiver Module - 40GBASE-LR4
Marketing Information: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.


Packaged Quantity:1
Product Type:QSFP+

Technical Information
Application/Usage:
  • Data Networking
  • Optical Network

Interfaces/Ports
Total Number of Ports:1
Connector Type:LC
Interfaces/Ports Details:1 x LC Duplex 40GBase-LR4 Network
Media & Performance
Media Type Supported:Optical Fiber
Fiber Mode Supported:Single-mode
Ethernet Technology:40 Gigabit Ethernet
Network Technology:40GBase-LR4
Physical Characteristics
Form Factor:
  • Hot-pluggable
  • Hot-swappable

Height:0.5"
Width:0.7"
Depth:2.8"
Weight (Approximate):0.10 lb
Miscellaneous
Compatibility:
  • MSA Compliant
Cisco Firepower Switches:
  • ASR1000
  • ASR9000
  • C9300
  • C3850

Environmentally Friendly:Yes
Environmental Certification:
  • RoHS
  • REACH
  • WEEE

Country of Origin:China
Warranty
Limited Warranty:Lifetime
  • Manufacturer:
  • Model Number:
  • ASIN:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • STARTECH
  • QSFP40GLR4ST
  • B01MR0ZLAQ
  • New
  • 1 lbs
  • 5 X 5 X 5
  • Oct 24, 2025
  • Jul 24, 2020

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Startech QSFP40GLR4ST Cisco Qsfp-40g-lr4 Comp. Qsfp+ Module - 40gbase-lr4 - 40ge Gigabit Ethernet 40gbe Single Mode Fiber Smf Optic Transceiver - Cisco Qsfp-40g-lr4 Compatible Qsfp+ - 40gbase-lr4 40 Gbps - 40gbe Module - 40ge Gigabit Ethernet Qsfp+ 1270nm To 1330nm - Single Mode (smf) Transceiver - 10km (6.2mi) - Lc Connector Ddm - Hot-swappable Msa Compliant - Lifetime Warranty

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