Skip to content
Cisco Compatible

QSFP-40G-LR4-FL Cisco QSFP-40G-LR4 Compatible 40GBase-LR4 QSFP+ 1310nm 10km DOM Duplex LC SMF Optical Transceiver Module

$249.99

Free continental US shipping on orders over $99 Details

Loading...

Need a larger quantity? Request a quote

Questions? Call (888) 874-7574

Quick Specs

Form Factor
QSFP+
Rate Category
40GBase
TX Wavelength
1310nm
Interface Type
LR4
Reach
10km
Connector
Dual-LC
Cable Type
SMF
DDM
Yes
Temperature
(COM) 0°C to +70 °C
TAA
No

Overview

FluxLight's QSFP-40G-LR4-FL is a Cisco® compatible 40GBase QSFP+ transceiver and is factory pre-programmed with all the necessary configuration data for seamless network integration. Our transceivers perform identically to Cisco® original transceivers and are 100% compatible with other OEM and third party transceivers. The Cisco QSFP-40G-LR4-FL is 100% MSA (Multi-Source Agreement) compliant. All FluxLight's transceivers are tested for 100% functionality and guaranteed compatible for outstanding network performance.

FluxLight offers all brands and form factors of Optical Transceivers for all your networking needs. Now you have a reliable, compatible and affordable 40-Gigabit QSFP+ transceiver to expand your network while maintaining its integrity.

Catalyst 35605
  • WS-C3560X-24P
  • WS-C3560X-24T
  • WS-C3560X-48P
  • WS-C3560X-48PF
  • WS-C3560X-48T
Catalyst 36501
  • WS-C3650-12X48UZ
Catalyst 38502
  • C3850-NM-2-40G
  • WS-C3850-48XS
Catalyst 4500 / 4500-X1
  • WS-X45-SUP9-E
Catalyst 6500 / 60001
  • WS-X6904-40G-2TXL
Catalyst 680012
  • C6800-8P10G
  • C6800-8P10G-XL
  • C6800-8P40G
  • C6800-8P40G-XL
  • C6800-16P10G
  • C6800-16P10G-XL
  • C6800-32P10G
  • C6800-32P10G-XL
  • C6800-SUP6T
  • C6800-SUP6T-XL
  • C6824-X-LE-40G
  • C6840-X-LE-40G
Catalyst 92001
  • C9200-NM-2Q
Catalyst 93005
  • C9300-NM-2Q
  • C9300L-24UXG-2Q
  • C9300L-48UXG-2Q
  • C9300X-NM-2C
  • C9300X-NM-4C
Catalyst 93502
  • C9350-NM-2C
  • C9350-NM-4C
Catalyst 94006
  • C9400-LC-12QC
  • C9400-SUP-1
  • C9400-SUP-1XL
  • C9400-SUP-1XL-Y
  • C9400X-SUP-2
  • C9400X-SUP-2XL
Catalyst 95009
  • C9500-12Q
  • C9500-24Q
  • C9500-24Y4C
  • C9500-32C
  • C9500-32QC
  • C9500-48Y4C
  • C9500-NM-2Q
  • C9500X-28C8D
  • C9500X-60L4D
Catalyst 95505
  • C9550-24L4CD
  • C9550-32C
  • C9550-48L4CD
  • C9550-64C-XL
  • C9550-96L4D
Catalyst 9600 / 96106
  • C9600-LC-24C
  • C9600-LC-40YL4CD
  • C9600X-LC-32CD
  • C9600X-LC-56YL4C
  • C9610-LC-32CD
  • C9610-LC-40YL4CD
Catalyst 9800 Wireless Controllers4
  • C9800-1X40GE
  • C9800-2X40GE
  • C9800-80-K9
  • CW9800H2
Nexus 2000 Fabric Extenders4
  • N2K-C2332TQ
  • N2K-C2348TQ
  • N2K-C2348TQ-E
  • N2K-C2348UPQ
Nexus 300017
  • N3K-C3132C-Z
  • N3K-C3132Q-40GE
  • N3K-C3132Q-40GX
  • N3K-C3132Q-V
  • N3K-C3132Q-XL
  • N3K-C3172PQ-10GE
  • N3K-C3172TQ-10GT
  • N3K-C3172TQ-32T
  • N3K-C3232C
  • N3K-C3264C-E
  • N3K-C3264Q
  • N3K-C3408-S
  • N3K-C3432D-S
  • N3K-C3636C-R
  • N3K-C34180YC
  • N3K-C34200YC-SM
  • N3K-C36180YC-R
Nexus 500011
  • N5K-C5624Q
  • N5K-C5648Q
  • N5K-C5672UP
  • N5K-C5672UP-16G
  • N5K-C5696Q
  • N5K-C56128P
  • N55-C55XX
  • N55-M4Q
  • N56-M24UP2Q
  • N5600-M12Q
  • N5696-M12Q
Nexus 60005
  • N6K-C6001-64P
  • N6K-C6001-64T
  • N6K-C6004-96Q
  • N6K-C6004-M12Q
  • N6004-B-24Q
Nexus 7000 / 77006
  • N7K-F312FQ-25
  • N7K-M206FQ-23L
  • N7K-M324FQ-25L
  • N77-F324FQ-25
  • N77-F430CQ-36
  • N77-M324FQ-25L
Nexus 9100 / 9200 / 930050
  • N9K-C9236C
  • N9K-C9272Q
  • N9K-C9316D-GX
  • N9K-C9332C
  • N9K-C9332D-GX2B
  • N9K-C9332D-H2R
  • N9K-C9332PQ
  • N9K-C9336C-FX2
  • N9K-C9336C-FX2-E
  • N9K-C9336PQ
  • N9K-C9348D-GX2A
  • N9K-C9348GC-FX3
  • N9K-C9348GC-FX3PH
  • N9K-C9348GC-FXP
  • N9K-C9364C
  • N9K-C9364C-GX
  • N9K-C9364C-H1
  • N9K-C9364D-GX2A
  • N9K-C9372PX
  • N9K-C9372PX-E
  • N9K-C9372TX
  • N9K-C9372TX-E
  • N9K-C92160YC-X
  • N9K-C92300YC
  • N9K-C92304QC
  • N9K-C92348GC-FX3
  • N9K-C92348GC-X
  • N9K-C93108TC-EX
  • N9K-C93108TC-FX
  • N9K-C93108TC-FX-24
  • N9K-C93108TC-FX3
  • N9K-C93108TC-FX3H
  • N9K-C93108TC-FX3P
  • N9K-C93120TX
  • N9K-C93180LC-EX
  • N9K-C93180YC-EX
  • N9K-C93180YC-FX
  • N9K-C93180YC-FX-24
  • N9K-C93180YC-FX3
  • N9K-C93180YC-FX3H
  • N9K-C93180YC-FX3S
  • N9K-C93216TC-FX2
  • N9K-C93240YC-FX2
  • N9K-C93360YC-FX2
  • N9K-C93400LD-H1
  • N9K-C93600CD-GX
  • N9K-M6PQ
  • N9K-M6PQ-E
  • N9K-M12PQ
  • N9324C-SE1U
Nexus 9500 / 980026
  • N9K-X9400-8D
  • N9K-X9400-16W
  • N9K-X9432C-S
  • N9K-X9432PQ
  • N9K-X9464PX
  • N9K-X9464TX
  • N9K-X9464TX2
  • N9K-X9536PQ
  • N9K-X9564PX
  • N9K-X9564TX
  • N9K-X9624D-R2
  • N9K-X9636C-R
  • N9K-X9636C-RX
  • N9K-X9636PQ
  • N9K-X9636Q-R
  • N9K-X9732C-EX
  • N9K-X9732C-FX
  • N9K-X9736C-EX
  • N9K-X9736C-FX
  • N9K-X9736C-FX3
  • N9K-X9736PQ
  • N9K-X9736Q-FX
  • N9K-X9788TC-FX
  • N9K-X9836DM-A
  • N9K-X96136YC-R
  • N9K-X97160YC-EX
Cisco 8000 Routers8
  • 8K-MPA-4D
  • 8K-MPA-16H
  • 8K-MPA-16Z2D
  • 8K-MPA-18Z1D
  • 88-LC1-52Y8H-EM
  • 8011-4G24Y4H-I
  • 8011-32Y8L2H2FH
  • 8711-48Z-M
8000 Secure Routers2
  • C8570-G2
  • C8650-G2
Catalyst 8000 Edge2
  • C8500-12X4QC
  • C8500-20X6C
ASR 900 / 901 / 903 / 9201
  • A900-IMA2F
ASR 10002
  • EPA-1X40GE
  • EPA-2X40GE
ASR 900036
  • A9K-4HG-FLEX-FC
  • A9K-4HG-FLEX-SE
  • A9K-4HG-FLEX-TR
  • A9K-4HG-FLEX-X-FC
  • A9K-4HG-FLEX-X-SE
  • A9K-8HG-FLEX-FC
  • A9K-8HG-FLEX-SE
  • A9K-8HG-FLEX-TR
  • A9K-8X100G-LB-SE
  • A9K-8X100G-LB-TR
  • A9K-8X100GE-FC
  • A9K-8X100GE-SE
  • A9K-8X100GE-TR
  • A9K-20HG-FLEX-FC
  • A9K-20HG-FLEX-SE
  • A9K-20HG-FLEX-TR
  • A9K-MPA-1X40GE
  • A9K-MPA-2X40GE
  • A9K-MPA-2X40GE-FC
  • A99-4HG-FLEX-FC
  • A99-4HG-FLEX-SE
  • A99-4HG-FLEX-TR
  • A99-4HG-FLEX-X-FC
  • A99-4HG-FLEX-X-SE
  • A99-8X100GE-FC
  • A99-8X100GE-SE
  • A99-8X100GE-TR
  • A99-32HG-FC
  • A99-32X100GE-X-SE
  • A99-32X100GE-X-TR
  • A9903-20HG-PEC
  • A9903-20HG-PEC-FC
  • ASR-9902
  • ASR-9902-FC
  • ASR-9903
  • ASR-9903-FC
Carrier Routing System (CRS)1
  • 2X100GE-FLEX-40
NCS 520 / 540 / 56012
  • N540-24Q2C2DD-SYS
  • N540-24Q8L2DD-SYS
  • N540-24Z8Q2C-SYS
  • N540-28Z4C-SYS-A
  • N540-28Z4C-SYS-D
  • N540-ACC-SYS
  • N540-FH-CSR-SYS
  • N540X-16Z4G8Q2C-A
  • N540X-16Z4G8Q2C-D
  • N540X-16Z8Q2C-D
  • N540X-ACC-SYS
  • N560-IMA-2C
NCS 1000 / 20001
  • NCS2K-MR-MXP-LIC
NCS 40001
  • NCS4K-4H-OPW-QC2
NCS 42001
  • NCS4200-2Q-P
NCS 550039
  • NC55-18H18F
  • NC55-24H12F-SE
  • NC55-24X100G-SE
  • NC55-32T16Q4H-A
  • NC55-36X100G-A-SE
  • NC55-36X100G-S
  • NC55-MOD-A-S
  • NC55-MOD-A-SE-S
  • NC55-MPA-1TH2H-S
  • NC55-MPA-4H-HD-S
  • NC55-MPA-4H-HX-S
  • NC55-MPA-4H-S
  • NC57-18DD-SE
  • NC57-24DD
  • NC57-36H-SE
  • NC57-36H6D-S
  • NC57-48Q2D-S
  • NC57-48Q2D-SE-S
  • NC57-MOD-S
  • NC57-MPA-2D4H-S
  • NCS-55A1-24H
  • NCS-55A1-24Q6H-S
  • NCS-55A1-24Q6H-SS
  • NCS-55A1-36H-S
  • NCS-55A1-36H-SE-S
  • NCS-55A1-48Q6H
  • NCS-57B1-5D24-SE
  • NCS-57B1-6D24H-S
  • NCS-57C1-48Q6-S
  • NCS-57C1-48Q6-SYS
  • NCS-57C1-48Q6D-S
  • NCS-57C3-MOD-S
  • NCS-57C3-MOD-SE-S
  • NCS-57D2-18DD-S
  • NCS-5011
  • NCS-5501
  • NCS-5501-SE
  • NCS-5502
  • NCS-5502-SE
NCS 60001
  • NCS-F-SCSW
Firepower and Secure Firewall19
  • CSF6K-XNM-2X100G
  • CSF6K-XNM-4X40G
  • CSF6K-XNM-4X200G
  • CSF6160-A-ASA-K9
  • CSF6160-A-TD-K9
  • CSF6170-A-ASA-K9
  • CSF6170-A-TD-K9
  • FPR-X-NM-4X40G
  • FPR3K-XNM-4X40G
  • FPR4K-NM-4X40G
  • FPR4K-X-NM-2X100G
  • FPR4K-X-NM-4X40G
  • FPR4K-X-NM-4X200G
  • FPR4K-XNM-2X100G
  • FPR4K-XNM-4X40G
  • FPR4K-XNM-4X200G
  • FPR9K-NM-2X100G
  • FPR9K-NM-4X40G
  • FPR9K-NM-4X100G
UCS Fabric Interconnects and Chassis14
  • UCS-FI-6332-16UP-U
  • UCS-FI-6332-U
  • UCS-FI-6454
  • UCS-FI-6454-U
  • UCS-FI-6536
  • UCS-FI-6652-U
  • UCS-FI-6664-U
  • UCS-FI-64108
  • UCS-FI-64108-U
  • UCS-IOM-2304
  • UCSX-FI-6454-U
  • UCSX-FI-6536
  • UCSX-FI-6536-U
  • UCSX-FI-64108-U
UCS VIC Adapters13
  • UCSC-M-V5D200G
  • UCSC-M-V5D200G-D
  • UCSC-M-V5D200GV2
  • UCSC-M-V5D200GV2D
  • UCSC-M-V100-04
  • UCSC-MLOM-C40Q-03
  • UCSC-MLOM-C100-04
  • UCSC-P-V5D200G
  • UCSC-P-V5D200G-D
  • UCSC-PCIE-C40Q-03
  • UCSC-PCIE-C100-04
  • UCSC-PCIE-ID40GF
  • UCSC-PCIE-QD40GF
Server Network Adapters (Intel, Mellanox, QLogic)2
  • Intel XL710
  • Qlogic QL45412HLCU-SP

Licensing

The following is a list of Finisar Corporation patents Fluxlight has licensed. This licensure recognizes and compensates Finisar for their intellectual property. The QSFP-40G-LR4-FL, like all Fluxlight optical transceivers, is covered by this license agreement. Therefore, Fluxlight customers can rest assured that all products purchased are fully licensed, and our customers are under no potential liability that may ensue from the use of unlicensed optical transceiver products.

U.S. Patent Numbers: 7,184,668 (System and method of protecting eye safety during operation of a fiber optic transceiver), 7,079,775 (Integrated memory mapped controller circuit for fiber optics transceiver), 6,957,021 (Optical transceiver with memory mapped locations), 7,058,310 (System and method for protecting eye safety during operation of a fiber optic transceiver), 6,952,531 (System and method for protecting eye safety during operation of a fiber optic transceiver), 7,162,160 (System and method for protecting eye safety during operation of a fiber optic transceiver), 7,050,720 (Integrated memory mapped controller circuit for fiber optics transceiver)

Original Equipment Manufacturer (OEM) names may be registered trademarks of the respective OEM, and the OEM has neither authorized nor sponsored the use of its trademark or trade name. All OEM names are used for cross reference/comparative purposes only.

Warranty

This part is covered by our Limited Lifetime Warranty, a 10-year serviceable lifetime, and our 30-Day Money-Back Guarantee. Read the full warranty and return terms.

Reviews

5 · 3 reviews
NickyVerified Buyer

Excellent Product

We have used several of these and they are a fantastic brand to use with Cisco products.

DavidVerified Buyer

Great optics

These work excellent in a Cisco catalyst 9500

TeresaVerified Buyer

Working as advertised, no issues.

Working as advertised, no issues.

Showing 3 of 3 reviews

See all customer reviews

Ready to Build Your Network?

Get compatible transceivers and cables shipped fast, with expert support when you need it.

Contact Us