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Description
Cisco N9K-X9736C-EX 100-Gigabit Ethernet Line CardThe Cisco N9K X9736C EX 100 Gigabit Ethernet Line Card is a high performance, data center grade network interface designed to deliver scalable, low latency 100 Gbps connectivity within the Cisco Nexus 9500 series. Built to power modern workloadsfrom cloud computing and virtualization to large scale analyticsthe X9736C EX combines dense port functionality with Ciscos renowned reliability, security, and feature rich NX OS fabric integration. This line
The Cisco N9K-X9736C-EX 100-Gigabit Ethernet Line Card is a high-performance, data-center grade network interface designed to deliver scalable, low-latency 100-Gbps connectivity within the Cisco Nexus 9500 series. Built to power modern workloads—from cloud computing and virtualization to large-scale analytics—the X9736C-EX combines dense port functionality with Cisco’s renowned reliability, security, and feature-rich NX-OS fabric integration. This line card is crafted for environments where every packet matters and where capacity must grow without sacrificing performance, density, or operational simplicity.
- High-density 100-Gigabit Ethernet interfaces supported by QSFP28 form-factor modules, enabling rapid, scalable spine-leaf connectivity with minimal footprint and maximum throughput for data center fabrics.
- Part of the Cisco Nexus 9500 platform designed to operate as the core of scalable, multi-tier data centers, offering wide interoperability with Cisco ACI, automation tooling, and fabric-based virtualization features.
- Non-blocking, line-rate forwarding ensures consistent performance as traffic scales, with predictable latency suitable for latency-sensitive applications and real-time analytics.
- Hot-swappable, carrier-grade reliability built for dense, mission-critical deployments; designed to minimize downtime during maintenance windows and software upgrades.
- Rich NX-OS feature support and ecosystem integration including advanced traffic engineering, security, telemetry, and fabric automation to simplify operations, monitoring, and policy enforcement across large-scale networks.
Technical Details of Cisco N9K-X9736C-EX 100-Gigabit Ethernet Line Card
- Platform compatibility: Cisco Nexus 9500 Series chassis, purpose-built for high-performance data center fabrics and large-scale deployments.
- Interface type: 100-Gigabit Ethernet ports using QSFP28 form-factor modules, optimized for dense, scalable connectivity.
- Forwarding architecture: Designed for line-rate, non-blocking performance to support demanding workloads and virtualization traffic with low latency.
- Networking features: Supports advanced data-center fabric capabilities, including VXLAN EVPN and other NX-OS-driven features that enable scalable multi-tenant environments and automated network provisioning.
- Reliability and manageability: Hot-swappable hardware design with serviceability in mind, enabling easier maintenance and rapid replacement without interrupting service trees.
- Power and cooling: Engineered to operate within data-center environmental guidelines, balancing performance with energy efficiency to help manage total cost of ownership.
How to Install Cisco N9K-X9736C-EX 100-Gigabit Ethernet Line Card
Installing the N9K-X9736C-EX is a straightforward process designed for data-center technicians familiar with Cisco NX-OS-based equipment. Follow these best-practice steps to ensure a smooth, compliant deployment that maximizes reliability and performance.
- Power down or ensure a safe maintenance window, depending on your chassis’s hot-swap policy, and prepare the Nexus 9500 chassis for maintenance with appropriate ESD precautions.
- Identify an available blue-slot or appropriate line-card slot in the Nexus 9500 chassis, verifying compatibility with the X9736C-EX model and firmware requirements.
- Remove any protective covers and align the line card with the slot’s guide rails. Gently slide the card into the chassis, ensuring it seats fully and the connectors engage properly.
- Secure the line card with the chassis’s retention mechanism or screws as required, then reconnect any required auxiliary cables or management interfaces if applicable.
- Power on (or resume service) and verify the line card is recognized by the NX-OS software. Check LED indicators for healthy status, and confirm that the card registers in the chassis inventory and is listed in the fabric topology.
- Update to recommended firmware levels if needed, using validated Cisco images, and perform compatibility checks with your current NX-OS version, automation tooling, and fabric policies.
- Configure 100-Gbps interfaces in NX-OS, assign them to appropriate VLANs, VRFs, or VXLAN EVPN segments, and integrate with your fabric automation and policy engines.
- Run end-to-end health checks, verify link status, and perform a controlled traffic test to ensure route advertisements, QoS policies, and fault domains are behaving as expected.
Frequently asked questions
- What is the Cisco N9K-X9736C-EX used for? It is a 100-Gigabit Ethernet line card designed for the Cisco Nexus 9500 data center platform to deliver high-density, scalable, low-latency connectivity for modern data centers and cloud-scale networks.
- Which Nexus platform does it belong to? It is part of the Cisco Nexus 9500 Series, engineered to provide flexible, high-performance fabric for large-scale environments and multi-tenant deployments.
- What kind of interfaces does it use? The line card provides 100-Gbps Ethernet interfaces via QSFP28 ports, suitable for high-speed uplinks and spine-leaf interconnections.
- Is it hot-swappable? Yes. The N9K-X9736C-EX is designed as a hot-swappable line card to minimize downtime during maintenance and upgrades.
- What features can I expect with NX-OS when using this line card? Expect enterprise-grade and data-center-grade features such as VXLAN EVPN, robust policy and security controls, automation-ready telemetry, and integration with Cisco fabric management solutions like ACI and related tooling.
- Can I use this line card in a multi-cluster or multi-tenant environment? Yes. The line card is designed to support scalable, segment-based networking, optimized for large deployments that require isolation, virtualization, and efficient traffic engineering.
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4.8 ★★★★★
Based on 2327 reviews
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Product Reviews
★★★★★ 5
Finally a Cooling Blanket That Actually Works for Hot Sleepers
Size: Queen (90" * 90"）, Color: Luxury Grey, Size: Queen (90" * 90"）, Color: Luxury Grey
I first got to know this brand when they released their cooling pillow. At the time, I was very skeptical because I’ve tried many “cooling” pillows and pillowcases from other brands, and almost all of them failed to stay cool throughout the night. Surprisingly, this brand was the first one that actually worked for me.
Going through menopause has been extremely difficult, especially dealing with the constant heat and night sweats. I kept thinking that if they could somehow use the same cooling technology in a blanket, it would be amazing — and they actually did it.
This blanket has honestly been a lifesaver for me. One side has the cooling fabric while the other side feels more like a regular blanket, so you can switch depending on the temperature or season. I’ve been using a silk comforter before this, and while it was comfortable, it really didn’t help much with overheating at night. This cooling blanket made a noticeable difference almost immediately.
What impressed me most is that the cooling effect doesn’t just disappear after a few minutes. It stays comfortably cool and lightweight through the night without feeling damp or overly thin. Since using it, I’ve actually been tracking improvements in my sleep using my WHOOP device, and over the past 20 days I’ve noticed my deep sleep readings improving consistently.
The blanket also feels well made, soft, and lightweight without feeling cheap. For the quality and performance, I think the price is very fair, especially compared to other “cooling” bedding products that overpromise and underdeliver.
If you struggle with hot sleeping, night sweats, or menopause-related heat issues, I would absolutely recommend giving this a try. It genuinely improved my sleep quality.
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Great blanket for keeping cool, but doesn't magically defy physics.
Size: King（103“*90”）, Color: Luxury Grey
This blanket is pretty awesome, and functions exactly as stated; however you might get the wrong impression from the image of the blanket in a the snowy mountains glowing blue as if its actively cooling. The blanket has two sides, the "cold" and "normal" side -- the cold side is the one that has the Q-max 0.45 effect, it actually feels cool to the touch. That being said, covering yourself with this blanket feels pretty similar to using a down blanket with a silk (or some cooler) fabric. It feels quite cool initially but eventually your body puts out enough heat and it "runs out" of cooling.
Although this blanket doesn't magically actively generate cooling, its quite effective because it operates fundamentally differently from most blankets. Most blankets are engineered to keep you warm by trapping heat in; this blanket is explicitly designed to draw heat away from your body. As such, it is extremely effective if you use a fan or run the AC, because your body heat is drawn away from the top surface and the inner surface can "grab" and remove more heat. As you probably know, air is a great insulator so this blanket has to be making contact with your body to achieve the cooling effect. If you are familiar with the way "Under Armor" works, I believe this blanket uses a similar principle to keep you cool.
This blanket is quite light weight and comfortable, with a very silky (polyester) feeling outer surface. I have not owned this for a year yet, but I'm quite confident that this blanket would be suitable for winter (in Southern California); except if you live in a snowy region.
5/5 for a somewhat high tech blanket that keeps you cool; its the best in cooling you can get without resorting to "active" cooled blankets such as ones with water circulation.
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Reviewed in the United States on May 5, 2026
★★★★★ 5
Fascinating product.
Size: Twin（90“ * 67”）, Color: Luxury Grey
It is a nightly struggle. My wife is a hot sleeper. I am not. It’s resulted in more than one argument. One of us is usually left shivering or sweating. So when Amazon offered to send me this cooling blanket, I thought I would give it a try. I’m really glad that I did.
This item arrived well packaged and in good condition. It is lightweight and made of a polyester type material. The stitching is strong. The first test was the washing machine. We washed it with cold water on the gentle cycle. We then line dried it. It held up fine.
We have a king size bed, but I decided to get a twin sized blanket. I put a warm blanket on my side of the bed and the cooling blanket on her side of the bed. It worked brilliantly. I don’t know what the science is buying these blankets, but it really does lower your body temperature. The moment that you open the package and feel the blanket, you’ll realize that it has some sort of cooling gel inside of it or something that draws heat away from you.
Suffice it to say that our first night with this product was one of the best nights sleep that both of us had. If you have a problem like this, I would definitely recommend this blanket as a viable solution.
In terms of value, I understand that this is not cheap; however, ask yourself what the value is of a good nights sleep. Overall, I’m very pleased with the quality, design, and functionality of the cooling blanket. I would definitely recommend it.
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Reviewed in the United States on May 5, 2026
★★★★★ 5
Cooler than my thinner blankets
Size: Queen (90" * 90"）, Color: Luxury Grey
This is a really nice cooling blanket—silky, soft, and comfortable. I actually tried it on a cold day (classic flip flip Rocky Mountain weather where it swings from 90° to 30° overnight), and it was absolutely freezing, lol. On warmer days, I can clearly tell that it's cooler than even my thinner blankets. My husband tends to sleep hot, and this works great for him. I run cold; it can feel a bit too cool initially, but that fades after a few minutes and stays comfortable.
I also have two cats and was worried they’d snag it right away. We keep their nails trimmed, but they’re still cats. So far (about a week in), no snags or pulls—but I’ll update if that changes since that’s a big factor for me.
At almost $100, it’s definitely not cheap for a blanket. I think it makes the most sense if you’re a hot sleeper or deal with night sweats—then the cooling effect feels more worth it. If you tend to run cold, it might feel like overkill unless you specifically want something for summer. Overall good value for a nice quality cooling blanket.
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Reviewed in the United States on May 4, 2026
★★★★★ 5
Surprisingly strong cooling effect and really comfortable
Size: Queen (90" * 90"）, Color: Luxury Grey, Size: Queen (90" * 90"）, Color: Luxury Grey
This comforter honestly impressed me more than I expected. The cooling effect is very noticeable right away. Like actually noticeable, not just one of those things brands say. When you first touch it, it feels cool to the skin and that feeling sticks around instead of fading instantly.
I’ve been using it at night and it definitely helps with overheating. I tend to get cery hot when I sleep, also I’m pregnant right now so that makes it even worse, and this has made a difference. It feels lightweight but still cozy enough that it doesn’t feel like you’re just using a thin sheet.
The fabric is really soft and smooth, also it lays nicely on the bed without feeling stiff or bulky. It gives that clean, almost silky feel without being slippery.
One thing to keep in mind is it’s not a super thick comforter, but i will say there is some heft to it. Like if i wrap myself around in it, it has some weight to it.
Overall, I’m really happy with it. It actually does what it claims with the cooling, and it’s comfortable enough for everyday use. Great option if you’re a hot sleeper or just want something lighter and refreshing at night.
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Reviewed in the United States on April 22, 2026