SKU: 12444727699

HPE X140 40G QSFP+ LC LR4L 2KM SM Transceiver

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Description

HPE X140 40G QSFP+ LC LR4L 2KM SM TransceiverThe HPE X140 40G QSFP+ LC LR4L 2KM SM Transceiver is engineered to deliver dependable, scalable 40 Gigabit Ethernet connectivity for data centers, campus backbones, and enterprise networks. Built around the LR4L multi laser technology, it enables four parallel 10G channels over a single mode fiber link, consolidating uplinks and inter switch connections with exceptional reach up to 2 kilometers. This module is designed for seamless integration with

The HPE X140 40G QSFP+ LC LR4L 2KM SM Transceiver is engineered to deliver dependable, scalable 40 Gigabit Ethernet connectivity for data centers, campus backbones, and enterprise networks. Built around the LR4L multi-laser technology, it enables four parallel 10G channels over a single-mode fiber link, consolidating uplinks and inter-switch connections with exceptional reach up to 2 kilometers. This module is designed for seamless integration with HPE networking gear and other LR4L-enabled devices, offering a robust upgrade path for modernizing data paths while preserving existing fiber infrastructure. Whether you’re consolidating uplinks, extending campus connectivity, or scaling your data center fabric, the X140 LR4L transceiver provides the reliability, efficiency, and compatibility you require.

  • 40GBASE-LR4L performance delivers aggregated 40 Gbps across four parallel 10G channels, enabling high-density uplinks and scalable data paths without sacrificing efficiency or simplicity.
  • Long reach on single-mode fiber supports distances up to 2 kilometers, making it ideal for data-center interconnects, campus backbones, and link extensions between buildings or campuses.
  • QSFP+ form factor with LC duplex interface provides a compact, hot-swappable module that fits into standard QSFP+ ports while using a single LC fiber connection for each link, simplifying cabling and rack deployment.
  • Energy-efficient design and reliability leverages optimized optics and forward error correction to minimize power usage and maximize link stability, even in densely populated data centers with high traffic.
  • Cross-vendor compatibility engineered to work with HPE switches, routers, and 40G LR4L-enabled devices, enabling flexible upgrades and interoperable networks across vendors while maintaining performance guarantees.

Technical Details of HPE X140 40G QSFP+ LC LR4L 2KM SM Transceiver

  • Product Type: QSFP+ transceiver module for 40G Ethernet
  • Application: Optical network, data networking
  • Standard: 40GBASE-LR4L
  • Interface: 1 x LC duplex fiber connector
  • Fiber Type: Single-mode (SMF)
  • Distance: Up to 2 kilometers on SMF
  • Lane Configuration: Four parallel 10G channels (4x10G)
  • Form Factor: QSFP+ hot-swappable module
  • Wavelength Range: LR4L multi-laser DWDM-based wavelengths within standard LR4L operation
  • Operating Temperature: 0°C to 70°C (typical range for data-center deployments)
  • Power Consumption: Typical power usage in a low-to-mid range for QSFP+ LR4L modules
  • Compliance: RoHS, MSA aligned

How to install HPE X140 40G QSFP+ LC LR4L 2KM SM Transceiver

  • Power down the device and any connected equipment before removing or installing the transceiver to prevent damage and ensure safe handling.
  • Verify that your network switch or router port supports 40GBASE-LR4L and that firmware is up to date for LR4L compatibility.
  • Remove the existing module from the QSFP+ port if replacing an old transceiver, handling the module by its edges to avoid damage.
  • Insert the HPE X140 LR4L transceiver into the QSFP+ port until it seats firmly with a satisfying click of the latching mechanism.
  • Connect the LC duplex fiber patch cables to the LC connectors on the transceiver, ensuring proper polarity and alignment, then power on the equipment and verify link status and data throughput via the device’s management interface.

Frequently asked questions

  • Q: What is LR4L and why choose it for 40G?
  • A: LR4L refers to Long Reach 4-lane (LR4) operation with enhanced link performance. It enables 40G Ethernet over single-mode fiber with four parallel 10G channels, offering long-distance connectivity suitable for data centers and interconnects while maintaining compatibility with standard LR4L deployments.
  • Q: Is this transceiver compatible with non-HPE devices?
  • A: Compatibility depends on the device supporting 40GBASE-LR4L and the QSFP+ form factor. Many vendors recognize LR4L-based modules, but it’s best to verify vendor interoperability and firmware requirements for your specific equipment.
  • Q: What kind of fiber do I need?
  • A: The X140 LR4L uses single-mode fiber (SMF). Use appropriate SMF cables with LC duplex connectors to connect to other LR4L-compatible devices.
  • Q: What distance can I expect with this transceiver?
  • A: The transceiver is rated for up to 2 kilometers on SMF, making it suitable for data-center interconnects and campus backbones that require moderate-to-long reach without fiber amplification.
  • Q: How many lanes and what data rate does it support?
  • A: It aggregates four 10G lanes, delivering a total data rate of 40 Gbps (40GBASE-LR4L) through a single QSFP+ module.
Shipping Notes
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  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 12444727699

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KlyToons
Massapequa, US
★★★★★ 5
Bright, Sleek, and Easy to Install – Perfect Under Cabinet Lighting!
Color: 6500K White, Size: 1Roll x 16.4ft
I’m extremely happy with the CUBITOR Under Cabinet COB LED Light Strip kit! The 6500K daylight brightness is perfect—super clean, crisp, and evenly distributed with no visible dots thanks to the COB design. It really upgraded the look of my kitchen and made food prep so much easier. Installation was straightforward and hassle-free. The strip is flexible and cuttable, which made it easy to customize for my space. The adhesive backing is strong, and everything feels high quality and well-made. One of my favorite features is how smooth and diffused the lighting is—it gives a modern, high-end feel without being harsh on the eyes. It’s also very energy-efficient and stays cool even after hours of use. Overall, this is an excellent lighting solution for cabinets, shelves, or workspaces. Highly recommend it to anyone looking for bright, professional-looking LED lighting!
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Reviewed in the United States on April 9, 2026
R
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Rajeshwari Kute
Bozeman, US
★★★★★ 5
Great lighting solution for bookshelves
Color: 3000K Warm, Size: 2Roll x 16.4ft, Color: 3000K Warm, Size: 2Roll x 16.4ft
This turned out to be the best solution for lighting up my bookshelves. I like the quality of the product and the brightness of the lights.
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Reviewed in the United States on May 19, 2026
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J. Lin
New York, US
★★★★★ 5
Polarity
Color: 6500K White, Size: 1Roll x 16.4ft, Color: 6500K White, Size: 1Roll x 16.4ft
I've been looking into various kits and components but this one seemed to fit my needs perfectly - all components included and the flexibility to cut strips (up to 6) to the lengths I needed. Its also very thin and needs no other mounting hardware, channels, diffusers, screws, etc. No instructions - but everything only fits together one way except which end of the LED strip to connect to (polarity). For my reel, it was towards the center of the reel and not the freed end - which meant I had to cut a piece off and connect the end that was just cut. Insert the cut end into the connect after peeling off a bit of the blue tape. You can also peel off a little bit of the white tape beneath that to expose the copper contacts - but the connector contacts can pierce that layer if you don't want to peel off the white layer also. (Don't peel it all off, just enough to to fit into the connector.) Insert the end, press down the hinged part until it clicks or is otherwise all the way clamped - don't need tools, just your fingers squeezing it is enough. Test the assembly by plugging it into the power supply. You can also connect the remote - a blue LED on the power supply tells you whether its on or off. Once I figured out which end to connect to, everything was quite straightforward. I installed my 6 strips in my small pantry - one for each shelf - and routed all the wires to one side, mostly hidden. I mounted the remote on the pantry door - it can sense through the door - which is not very thick - as well as just tapping it once the door is open. The remote can be touchless - just wave your hand near it - but it seems to also sense tapping from some objects. Holding down on the remote activates dimming - it will cycle through brightness and stop when you release. Other than that, its as simple as I had hoped and took me about an hour to install (I expect my next install will be 30 mins). I am planning to order more kits for other closets, kitchen, etc.
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Reviewed in the United States on October 29, 2024
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Andrew B.
Massapequa, US
★★★★★ 5
UPDATED: Replacement works great
Color: 3000K Warm, Size: 1Roll x 16.4ft
FINAL UPDATE: Seller shipped new power unit and it works great now. The lights are really great and super easy to cut to size and use. UPDATE 1: Seller got in touch and is sending replacement power unit. Will update again once it arrives. I do really like the look of these and they did wonders for a dark park of my closet that has built-ins. ORIGINAL: Lights stopped working after about 6 weeks (beyond the 30 day return policy). Seems like the control unit died. Haven’t found any feasible way to contact seller or manufacturer. Will update review if anything changes.
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Reviewed in the United States on February 26, 2025
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Verified Purchase
Aerdnua24
Chelsea, US
★★★★★ 4
Light it up!
Color: 3000K Warm, Size: 2Roll x 16.4ft, Color: 3000K Warm, Size: 2Roll x 16.4ft
I am very happy with these. They are easy to use. The only reason I am not giving a five star review is because the instructions and assembly weren’t the easiest. At first we could not get them to work. After looking through the reviews, one man told us that the -\+ were backwards and we tried what he suggested and they worked. I do suggest that because there are two light reels there should be two connecter boxes as well. We had to purchase two packages. Overall, We are satisfied with our purchase.
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Reviewed in the United States on January 9, 2026

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