SKU: 34750786166

StarTech.com Brocade 40G-QSFP-LR4 Compatible QSFP+ Module - 40GBASE-LR4 40GE QSFP+ 40GbE Single Mode Fiber SMF Optic Transceiver 10km DDM

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Description

StarTech.com Brocade 40G-QSFP-LR4 Compatible QSFP+ Module - 40GBASE-LR4 40GE QSFP+ 40GbE Single Mode Fiber SMF Optic Transceiver 10km DDMThe StarTech. com Brocade 40G QSFP LR4 Compatible QSFP+ Module delivers reliable 40 GbE connectivity over single mode fiber for high density, latency sensitive networks. Engineered to be fully compatible with Brocade brand switches and routers, this 40GBASE LR4 transceiver offers robust performance for long reach data center uplinks, campus backbones, and enterprise networks. Designed for plug and play installation, it combines a compact QSFP+ form

The StarTech.com Brocade 40G-QSFP-LR4 Compatible QSFP+ Module delivers reliable 40 GbE connectivity over single-mode fiber for high-density, latency-sensitive networks. Engineered to be fully compatible with Brocade brand switches and routers, this 40GBASE-LR4 transceiver offers robust performance for long-reach data center uplinks, campus backbones, and enterprise networks. Designed for plug-and-play installation, it combines a compact QSFP+ form factor with advanced diagnostics to simplify monitoring and maintenance while maintaining strict adherence to industry standards. Whether upgrading an existing Brocade environment or deploying new 40 Gig connections, this transceiver provides a trusted, cost-effective solution without sacrificing performance or reliability.

  • 40GBASE-LR4 QSFP+ transceiver delivers 40 Gigabit Ethernet over four lanes, compatible with a wide range of Brocade 40G ports and similar QSFP+ interfaces, enabling high-bandwidth uplinks for data centers and enterprise networks.
  • Long-reach single-mode fiber (SMF) up to 10 km support with 1310 nm wavelength, ideal for data-center interconnects, campus backbones, and metro deployments where distance matters without electrical regeneration.
  • Digital Diagnostics Monitoring (DDM) enabled for real-time optics health data, including laser temperature, bias current, TX/RX power, and optical performance, helping IT teams proactively manage link quality and reduce downtime.
  • Hot-pluggable QSFP+ form factor ensures quick, non-disruptive upgrades or replacements in existing Brocade-based infrastructures, with durable housing designed for enterprise-grade usage and 0–70°C operating conditions.
  • Verified compatibility and reliability with Brocade switches and routers, backed by consistent performance, easy integration, and a strong warranty, making it a trusted choice for mission-critical networks seeking 40 GbE efficiency.

Technical Details of StarTech.com Brocade 40G-QSFP-LR4 Compatible QSFP+ Module

  • Product Type: QSFP+ transceiver module
  • Standard: 40GBASE-LR4
  • Interface: QSFP+ (4x10 Gbps lanes)
  • Wavelength: 1310 nm
  • Distance: up to 10 km on Single-Mode Fiber (SMF)
  • Fiber Type: Single-Mode Fiber (SMF)
  • Connector: LC
  • DDM: Yes (Digital Diagnostics Monitoring)
  • Compatibility: Designed to work with Brocade 40G switches and routers; compatible with StarTech interoperability guidelines
  • Operating Temperature: 0 to 70°C

How to install StarTech.com Brocade 40G-QSFP-LR4 Compatible QSFP+ Module

  • Power down the networking device and disconnect the power source to ensure safe handling.
  • Open the transceiver bay and carefully remove any existing module, if present.
  • Align the QSFP+ module with the slot and firmly but gently insert until it clicks into place, ensuring the ejector latches engage.
  • Connect the fiber cabling using LC-LC SMF cables, verifying proper polarity and ensuring clean, dust-free connectors.
  • Reconnect power and monitor the device to confirm link status; use the Digital Diagnostics Monitoring (DDM) data to verify optical power, temperature, and bias currents remain within specification.

Frequently asked questions

Q: What networks is this transceiver best suited for?
A: It is ideal for 40 GbE uplinks in data centers, enterprise networks, and Brocade-based environments that require long-reach connections over single-mode fiber (up to 10 km).

Q: Is this module compatible with non-Brocade equipment?
A: While designed for Brocade switches and routers, this StarTech transceiver is built to meet standard 40GBASE-LR4 specifications and can be used with other vendor hardware that supports LR4 QSFP+ modules, subject to compatibility testing.

Q: Does the module support Digital Diagnostics Monitoring (DDM)?
A: Yes. The DDM capability provides real-time optical performance metrics to monitor link health and optimize maintenance planning.

Q: What installation considerations should I keep in mind?
A: Ensure you use SMF cables with LC connectors, confirm correct polarity, and verify your Brocade port and firmware support for LR4 QSFP+ modules. Always handle the module with care to avoid ESD damage and confirm the operating temperature range of your equipment.

Q: What is the typical warranty or support for this module?
A: StarTech.com transceivers generally come with a manufacturer warranty and compatibility guarantees aligned with standard enterprise support policies; check the product listing or contact support for the exact terms.

Shipping Notes
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SKU: 34750786166

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L B
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I know most dogs that go blind in their later years do just fine, but when they were very active with a daily ball fetch routine, it can be tough to watch. These little balls are exactly what I needed!! The jingle ball inside is great and as long as you've got plenty of obstacle free space, it's just like playing ball when he had his sight. He also loves to just carry it around and chew on it. Highly recommend
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Reviewed in the United States on May 9, 2026
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avalancheryder
San Leandro, US
★★★★★ 5
Absolute game changer for chronically dry feet/cracked heels
Size: S (up to size 7)-Beige
I had recently bought a pair of silicone heel/ankle wraps to fill out my boot a little since I noticed my heels were lifting when I was skating. I tested them out around the house and noticed they left my heels softer while the rest of my sockless feet got quite dry. So I got these full foot silicone socks to see the effect of having my whole foot covered. I slather the entirety of my feet with Dr. Scholl's Severe Cracked Heel Restoring Balm (love how convenient it is to apply it to my feet with the solid stick form) and then slip them into these silicone socks. After just a couple hours, when I pull out my feet they're (a teeny bit sweaty at first), but then overall soft and smooth and have absorbed the balm fully leaving barely any residue in the silicone sock. I find these silicone socks generally comfortable; I wear them in the evenings while relaxing on the couch, take them off after a couple hours and let my feet breathe a bit, and then reapply my balm and socks and wear them to bed. If I wake up in the middle of the night, which I almost always do (not because of the socks), I'll take the socks off and allow my feet to breathe again. I wear a woman's size 6 shoe and the small size is pretty comfortable. However, I made the mistake of wearing them while being on my feet for a couple hours straight during household chores -- they must've somehow cut off my circulation a bit with the standing, so I wouldn't recommend wearing these silicone socks while being active. And since they're not exactly my foot size, they slide around sometimes and will start to feel tight at my big toe. But if that happens, I just tug on the toe area of the sock to give my big toe more wiggle room and problem solved. Prior to wearing these socks, I was soaking and doing heavy duty exfoliation of my feet every week. These socks seem like they'll work to help me extend the time between soakings and exfoliations. The 5 pack is a great value. So far none have torn, so they seem rather durable. Not sure what I could even do to tear a hole in these.
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Reviewed in the United States on January 16, 2026
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Beverly Durham
Lake Worth, US
★★★★★ 5
Works wonders
Size: M (up to size 9)-Beige
Works wonders for dry feet, like really dry, hard feet.
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Therapy by the Sea
Louisville, US
★★★★★ 4
EXCELLENT FEET MOISTURE PROTECTION
Size: S (up to size 7)-Beige, Size: S (up to size 7)-Beige
Why did you pick this product vs others?: I have burns on my feet and needed something that I could put burn creme on and still walk around in with. I tried other silicone footsie but they would teae really easily. So far these are doing really well for this purpose. They are holding their shape too. The only caution I have is the same with all silicone footsies: They can be slippery on wet floors, so also wear with socks over them. The biggest issues is when they say a size they mean it. The silicone used in these have little give in them, so they won't stretch out and loose their shape. That can be a good thing, or not so good, depending on how well they fit your feet and what your intent is with wearing these. The other issue is if they fit snug around those toes, that tends to be where the first tear in the material will happen. Because of how these are made, the tear is actually more like cracking in the material and once it occurs you won't be able to get much use out of the sock after that. If you are planning to wear them around the house or for long term use, I suggest going up a size or look for the toeless options.
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Reviewed in the United States on July 5, 2025

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