1. Enterprise Network Switch Modules Parts
  2. sku: 9324614446526751
  3. FINISAR FTL4C1QE1L

FINISAR FTL4C1QE1L Qsfp Smf Optical Transceiver 40GBASE-LR4

Ftl4c1qe1l Finisar 40gbase-lr4 Qsfp Smf Optical Transceiver

( Brand: Finisar ), ( Manufacturer Part Number: FTL4C1QE1L ), ( Part Type: Transceiver ), ( Unit Type: Unit ), ( Network Ports: Sfp )

Review FINISAR 40gbase-lr4 Qsfp Smf Optical Transceiver

The Finisar FTL4C1QE1L 40Gbase-LR4 QSFP SMF Optical Transceiver is a high-performance, compact, and cost-effective solution for 40 Gigabit Ethernet applications. This transceiver is designed to meet the increasing demand for higher bandwidth and longer reach in data center and telecommunications networks.

The FTL4C1QE1L transceiver employs a Quad Small Form-factor Pluggable (QSFP ) connector interface, which provides four lanes of 10Gbps data transmission, resulting in a total data transfer rate of 40Gbps. It utilizes a Long Reach (LR4) design, which enables it to support link lengths of up to 10 kilometers (km) using Single Mode Fiber (SMF). This makes it ideal for applications where longer distances are required between network devices.

The transceiver features a highly integrated design, with the laser source, driver electronics, and receiver electronics integrated onto a single chip. This not only reduces the size and complexity of the transceiver, but also improves reliability and lowers power consumption.

The FTL4C1QE1L transceiver is also designed to be easily integrated into various network equipment, such as switches, routers, and servers. It offers a simple plug-and-play installation process, ensuring minimal downtime and disruption to network operations.

Furthermore, the transceiver is compatible with industry-standard management protocols, such as I2C and SFP MSA, allowing for easy management and monitoring of the device. It also supports both bi-directional and multi-mode operation, providing additional flexibility for network deployment.

In summary, the Finisar FTL4C1QE1L 40Gbase-LR4 QSFP SMF Optical Transceiver is a versatile and powerful solution for high-bandwidth, long-reach applications in data center and telecommunications networks. Its compact design, easy installation process, and compatibility with industry-standard management protocols make it a popular choice for network equipment manufacturers and operators.

Pros and Cons of Buying Finisar FTL4C1QE1L 40Gbase-LR4 QSFP SMF Optical Transceiver

Introduction:

The Finisar FTL4C1QE1L is a high-performance 40Gbase-LR4 QSFP SMF (Single Mode Fiber) optical transceiver. This device is widely used in data centers and telecommunications networks due to its long-reach capabilities and high bandwidth. In this analysis, we will discuss the advantages and disadvantages of purchasing a Finisar FTL4C1QE1L 40Gbase-LR4 QSFP SMF optical transceiver.

Pros:

1. Long Reach: The Finisar FTL4C1QE1L supports long-reach 40Gbps Ethernet applications, making it suitable for use in data centers and metro networks.

2. High Bandwidth: With a data transfer rate of 40Gbps, this transceiver can handle high-bandwidth applications such as video streaming, virtualization, and cloud computing.

3. Compatibility: This transceiver is compatible with various switch and router platforms, making it a versatile choice for network infrastructure deployments.

4. Energy Efficiency: The Finisar FTL4C1QE1L is designed with energy efficiency in mind, consuming less power compared to older generation transceivers.

5. Reliability: Finisar is a well-known and reputable manufacturer of optical transceivers, ensuring the reliability and durability of this product.

Cons:

1. Cost: The Finisar FTL4C1QE1L is a high-end transceiver, which comes with a relatively high price tag compared to lower-performance options.

2. Complexity: Installing and configuring this transceiver may require specialized knowledge and skills, which could add to the overall cost and complexity of the deployment.

3. Single-Mode Fiber: This transceiver requires single-mode fiber, which may not be available in all network environments, and could add to the cost and complexity of the deployment.

Conclusion:

The Finisar FTL4C1QE1L 40Gbase-LR4 QSFP SMF optical transceiver offers several advantages, including long reach, high bandwidth, compatibility, energy efficiency, and reliability. However, it also comes with some disadvantages, such as cost, complexity, and single-mode fiber requirements.

Recommendation:

If your network infrastructure requires high-bandwidth, long-reach applications, and you have the necessary expertise and resources to install and configure this transceiver, the Finisar FTL4C1QE1L could be a worthwhile investment. However, if you have more modest bandwidth requirements or limited budget, there may be more cost-effective options available to you. It's important to carefully evaluate your network needs and budget before making a purchasing decision.

Details:

This Unit has had its Serial Number covered for security. Minor dents and areas of discoloration from the removal tags. All hardware is tested and verified working through manual or software tests. NON-DATA wiped, no data on drives.

Cosmetic blemishes are significant, such as multiple heavy dents, may require repair. A subset of the primary functions device that an ordinary user expects. Damage to latches, hinges, keyboards, etc. Cosmetic blemishes include minor scratches and/or other surface imperfections from consistent use, but equipment is in good condition.

New, out of box, unused equipment removed from original packaging with no signs. Software test results are available. Used Excellent. Loaded and configured with legally licensed software for full operations.

You can ship by your FedEx account or label if requested. Fully cleaned and cosmetically repaired with no blemishes. Network Gear: Our used / refurbished network equipment is port and power on tested. Cosmetic blemishes include scratches and/or other surface imperfections from consistent use, but equipment is in good condition overall.

Used equipment that has been fully restored to like-new condition with warranty. Part Number: FTL4C1QE1L. Consumer Electronics: We perform a power and connectivity test as well preliminary inspection to make sure that no harmful beyond cosmetic damage has occurred could impact the use purpose of product. May have light scratches or other minor blemishes from normal wear.

Fully cleaned with all non-original labels removed. Verified Specialty Electronics Appendix. Collectible or Specialty Equipment Core Requirement 6. Some parts, panels, bezels, or covers may be missing.

No missing or damaged components parts. Used Very Good. No hardware or software defects. Refurbished Appendix C Test and Repair.

Minor wear of labeling may be visible. Verified removed from operation with no known defects in functionality. Repaired with OEM original parts. Critical parts are missing.

Battery that are not working or tested. Function are verified working through manual or software tests. Finisar FTL4C1QE1L 40GBASE-LR4 QSFP SMF Optical Transceiver This Unit is sold as it shown on the pictures. Collectibles are rare, vintage, and no longer manufactured or supported by the OEM.

Software not loaded or configured. Used Fair Moderate use and age. Key Functions Working Appendix C - Test and Repair. After installation of the Windows operating system, each computer is performance tuned and startup optimized to ensure system integrity under high levels stress.

This Unit was previously used and may show some signs of wear. This Unit does not come with any cables, accessories, disks, or instructional booklet's. New Open Box. No corrosion.

Type: Optical Transceiver. Meets OEM specifications for full original functionality. Testing Procedures. May be missing components or parts not essential to key functions.

This Unit was pulled from a working environment. Specifications Brand: Finisar. This Unit has minor wear but been tested without issue to power on and boot. Part numbers and serial verified accurate.

Cosmetic blemishes are consistent with wear, including multiple dents, discoloration, and light to heavy scratches. No missing parts. Software may not be loaded or configured. May not include Focus Materials

No physical damage or defects. Minor cosmetic blemishes have no impact on the systems overall functionality or performance. Used Poor - Heavy use and age. Like New Appendix C Test and Repair.

Model: 40GBASE-LR4. Overall excellent cosmetic condition. Loaded and configured with original manufacturers legally licensed software for full operation. Zero defects.

New, unused equipment in original packaging where factory seals have been broken. Secondary functions may not be tested or working. No signs of wear or alteration. Damages to latches, hinges, keyboards, etc.

Hardware Functional Appendix C - Test and Repair. May have broken or missing parts. Product Functionality. All functions tested and verified working through software tests.

No damage to latches or hinges, nor any missing parts, panels, bezels, covers. No hardware defects. Are prevalent.

specifications switchchunk:

  • brand: Finisar
  • mpn: Ftl4c1qe1l
  • part type: Transceiver
  • unit type: Unit
  • network ports: Sfp

seller switchchunk:

  • # reviews: 8767
  • city: Plano, Texas
  • rating: 99.7%

general switchchunk:

  • Enterprise Networking, Servers > Switches Hubs > Switch Modules
  • condition: Used

payments switchchunk:

  • wallet: Google-pay
  • credit card: Discover
  • other

offer switchchunk:

  • best offers: True
  • started: January 20, 2026
  • sold: 0
  • options: Ship-to-home
  • availability: In Stock

returns switchchunk:

  • method: Money back
  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days

shipping switchchunk:

  • carrier: FedEx
  • cost: $0.00
  • class: Standard
  • type: Calculated
  • service: FedEx Ground / FedEx Home Delivery
  • transit: 2-6 Days
part type: transceiver, unit type: unit, network ports: sfp,
category: computers > enterprise networking, servers > switches hubs > switch modules, sku: 9324614446526751,

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