SKU: 86054344371

Cisco QSFP-DD Module

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Description

Cisco QSFP-DD ModuleThe Cisco QSFP DD Module family defines the pinnacle of bandwidth density for modern data centers, offering a scalable path to 400G networking while preserving backward compatibility with established lower speed QSFP pluggable modules and cables. Built for high performance fabrics and dense rack layouts, these modules enable data centers to scale throughput without sacrificing port density, power efficiency, or manageability. Designed to integrate

The Cisco QSFP-DD Module family defines the pinnacle of bandwidth density for modern data centers, offering a scalable path to 400G networking while preserving backward compatibility with established lower-speed QSFP pluggable modules and cables. Built for high-performance fabrics and dense rack layouts, these modules enable data centers to scale throughput without sacrificing port density, power efficiency, or manageability. Designed to integrate seamlessly with Cisco networking platforms, the QSFP-DD portfolio supports flexible deployment models—from cloud-scale deployments to enterprise campuses—each configured to maximize performance, reduce latency, and simplify cable management. Whether you are modernizing a greenfield data center or upgrading an existing infrastructure, Cisco QSFP-DD modules provide the foundation for a future-ready network that can grow with your organization’s evolving bandwidth needs.

  • Maximum bandwidth density: Enables 400G networking in a compact, hot-swappable form factor, delivering unprecedented throughput per port to meet the demands of data-intensive applications, AI workloads, and high-frequency trading environments.
  • Backward compatibility: Maintains a seamless upgrade path by supporting interoperability with legacy lower-speed QSFP pluggable modules and cables, allowing gradual migration without overhauling existing infrastructure.
  • Flexible cabling and reach: Supports a variety of cabling options, including Direct Attach Copper (DAC) and fiber optic cables, with module variants tailored for SR4, LR4, and other standards to optimize reach and cost per bit.
  • Hot-swappable design for minimal downtime: The modular, hot-swappable nature of QSFP-DD components reduces maintenance windows and service disruptions, enabling quick field swaps and upgrades while the network remains online where possible.
  • Cisco-ecosystem optimization: Engineered to work in harmony with Cisco switches, routers, and network management tools, enabling streamlined provisioning, monitoring, and lifecycle management through Cisco DNA Center and compatible OS environments.

Technical Details of Cisco QSFP-DD Module

  • Data rate: 400GBASE QSFP-DD per port, supporting high-bandwidth applications and scalable data center fabrics.
  • Form factor: QSFP-DD (Quad Small Form-Factor Pluggable Double Density) designed for high port density and efficient rack utilization.
  • Lane configuration: 4x100 Gbps lanes, enabling flexible mode configurations and compatibility with multi-lane optical signaling standards.
  • Compatibility: Backward compatible with select lower-speed QSFP pluggable modules and cables to facilitate smooth upgrades within existing infrastructures.
  • Supported cabling options: Supports Direct Attach Copper (DAC) and fiber optic cabling using appropriate transceiver types (e.g., SR4, LR4) depending on the specific module variant.

How to Install Cisco QSFP-DD Module

  • Prepare the system: Power down the device or disable the port as recommended by Cisco maintenance procedures to minimize risk during replacement or upgrade.
  • Inspect the port and module: Verify that the QSFP-DD port and the module are clean and free of debris; handle the module by the edges to avoid contamination.
  • Align and insert: Align the module with the port, ensuring the connector pins are properly seated. Press firmly until the latching mechanism engages and you hear an audible click.
  • Attach the cabling: Connect the appropriate DAC or fiber optic cable to the module’s transceiver ports, securing cables to prevent disconnection during operation.
  • Verify operation: Power on the device (if applicable) and check the port status in the management interface. Confirm link status, port speed, and error counters to ensure a healthy connection.
  • Document and monitor: Record the installation details (module type, serial number, port, and cabling) and monitor performance metrics over time to ensure sustained throughput and reliability.

Frequently Asked Questions

  • Q: What is a QSFP-DD module?
    A: A high-density, quad small form-factor pluggable transceiver designed to deliver 400GBASE data rates in a compact, modular package, using four high-speed lanes for scalable network throughput.
  • Q: Is the Cisco QSFP-DD module backward compatible with older QSFP modules?
    A: Yes. The Cisco QSFP-DD family is designed to maintain backward compatibility with select lower-speed QSFP pluggables and cables, enabling a phased upgrade path without large-scale overhauls to existing infrastructure.
  • Q: What kinds of cables can be used with QSFP-DD?
    A: Depending on the module variant, you can use Direct Attach Copper (DAC) cables or fiber optic cables (such as SR4, LR4) to connect to other devices in the network, optimizing for cost, distance, and power efficiency.
  • Q: How do I determine compatibility with Cisco gear?
    A: Refer to Cisco compatibility matrices and the product’s official documentation for supported transceiver types, port speeds, and firmware requirements. In many cases, you can upgrade in place if the port and chassis support 400GBASE QSFP-DD modules.
  • Q: What should I consider when planning a 400G deployment with QSFP-DD?
    A: Assess current and projected traffic, select appropriate module variants (SR4/LR4 or DAC), verify cabling quality and length, ensure power and cooling are adequate for higher-density transceivers, and align with your network’s management and monitoring capabilities for optimal performance.
  • Q: What is the warranty and support for Cisco QSFP-DD modules?
    A: Warranty and support terms vary by region and product line; consult Cisco’s regional policy and your authorized reseller for precise coverage and service options.
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SKU: 86054344371

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Douglas Juras
Phoenix, US
★★★★★ 1
DOG SAID NO
i didn't realize that this was bamboo when i purchased it. My dog has loved other braided BONE but this one did not fool him.
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Reviewed in the United States on April 7, 2026
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lckhrt
Omaha, US
★★★★★ 5
Still squeaking after all these days!
Size: Jumbo, Style: Beef
My power chewer GSPs usually wreck all "tough" toys in less than an hour, especially if they squeak. These seem pricey but I can say it's held up really well. After about three weeks, it's still hanging in there! The stripes are worn off but the squeaker still squeaks and that's what it's all about.
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Reviewed in the United States on May 15, 2026
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joebob
Lake Worth, US
★★★★★ 5
Long lasting scent and has not been destroyed by my heavy chewer.
Size: Jumbo, Style: Bacon
My medium puppy loves this ball. She already has the smaller size but appears to enjoy the challenge of catching the large one. An added benefit is it's easier for me to win it back when we fight (play fighting) for it. The scent really lasts. I've had the smaller version for a few months and the scent is still there. Does it really smell like bacon? Not to my nose but the puppy thinks it's awesome. The ball itself is really tough. The pup can destroy a tennis ball in a day. Except for a few teeth marks these balls are holding together great.
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Reviewed in the United States on June 10, 2026
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Amazon Customer
Massapequa, US
★★★★★ 5
Worth every penny—my beagle is obsessed
Size: Medium, Style: Cheddar Cheese, Size: Medium, Style: Cheddar Cheese
No dog toy is indestructible if you have a hound or a pit. I happen to have a combination of both. This toy is the best $12 you could possibly spend for a dog that likes to “kill” their toys. The only reason I’m buying more is because I keep losing them. My dog is a rescue. She’s half beagle, a quarter boxer, and a quarter pit bull. She’s a tiny fire-cracker and I lover her to pieces. And she loves tennis balls to pieces. Literally. She adores tennis balls, squeaky toys, and food. She will absolutely try to surgically extract the squeaker from any toy she gets because she has a high prey-drive. These balls last usually at least a week before she manages to dislodge the squeaker or puncture the squeaking mechanism, but I still have one I got about six months ago that has the paint worn off and it still squeaks. This ball literally has everything. It squeaks, it bounces pretty high, it looks like a real tennis ball so my girl recognizes them as “toy” immediately, and they smell good. These balls in particular last forever. I got her a can of regular tennis balls and she had them in four pieces within 10 minutes or less, which is not healthy for her because she likes to eat the pieces. For this dog toy, I have never seen her crack it. She’s pushed the squeaker inside of exactly one of them so far, and it stayed inside the ball. Much safer than a toy that she can possibly ingest. The toys come in several colors, but it’s not just to make them look cute and colorful. The colors correspond to flavors, as each of the balls has a different scent. I’ve sniffed them and noticed there’s a mild food smell beneath the rubber scent. I can tell that dogs really do get a kick out of the “flavors.” I’ve taken these to the dog park and all the dogs want the Playology tennis ball, even if we have other generic balls flying around. My dog even has favorites. We have a muscle-head pit bull/staffy mix at the park who is a giant meat-ball. He got his hands on one of these and he wasn’t even able to break it open for at least 20 minutes of deliberate chewing. My girl’s favorite “flavor” for a long time was beef (the red one). The blue “peanut butter” flavor is the easiest one to find in stores. She was obsessed with a purple one for a while, apparently it was bacon flavor. I couldn’t find that one! I saw that Amazon has an orange “cheese” flavor and knew she’d love it. She’s obsessed. I really wanted to leave this review to convince people to invest in this product. Your dog will be so happy, and this company made something great. I’m worried because I went on their website yesterday and they had only one or two colors available. I don’t want them to stop making this amazing toy. I hope they don’t lose business because their product is TOO durable!! If they make more flavors, or maybe make some multi-dog (tug ropes?) or similar, I’ll definitely continue to be a customer. Please keep making these awesome tennis balls!
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Reviewed in the United States on January 13, 2025
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VickieCyber
Alexandria, US
★★★★★ 5
Not Squeakable for Mini/Toy Aussies
Size: Medium (VALUE 2-Pack), Style: Chicken
Very durable and good squeaker. However, too large and hard for my Mini Aussies to squeak. My Aussies love their squeaky toys, unfortunately not this one.
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Reviewed in the United States on May 1, 2026

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