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Description
Cisco MDS 9718 Crossbar Switching Fabric-3 ModuleThe Cisco MDS 9718 Crossbar Switching Fabric 3 Module is a cutting edge solution engineered to dramatically enhance the performance, scalability, and reliability of Storage Area Networks (SAN) for mid sized to large enterprises. Designed to maximize port density and optimize data paths, this module empowers organizations to consolidate storage infrastructure, accelerate workloads, and simplify management across demanding data center environments.
The Cisco MDS 9718 Crossbar Switching Fabric-3 Module is a cutting-edge solution engineered to dramatically enhance the performance, scalability, and reliability of Storage Area Networks (SAN) for mid-sized to large enterprises. Designed to maximize port density and optimize data paths, this module empowers organizations to consolidate storage infrastructure, accelerate workloads, and simplify management across demanding data-center environments. Built on Cisco’s proven fabric architecture, the Crossbar Switching Fabric-3 Module delivers high-speed, non-blocking data movement between servers, storage arrays, and external SAN connectivity with precision and efficiency. It is purpose-built to meet the rigorous demands of modern data centers, where latency, throughput, and uptime are non-negotiable.
- Unmatched port density and scalability. The Crossbar Switching Fabric-3 Module is engineered to deliver industry-leading port density within the Cisco MDS 9718 ecosystem, enabling expansive SANs that support countless virtual machines, databases, and mission-critical applications without sprawl.
- Low-latency, non-blocking fabric for predictable performance. By optimizing crossbar fabric paths, it minimizes contention and ensures consistent, high-speed data transfers across the storage network, helping applications run at peak efficiency.
- Hot-swappable, enterprise-class reliability. The module is designed for non-disruptive maintenance and rapid field replacement, with redundant fabric interconnects and robust error handling to keep storage operations online.
- Seamless integration with Cisco data-center management. Fully compatible with Cisco DCNM and familiar CLI tooling, the module provides streamlined provisioning, monitoring, and policy-based management across the SAN fabric.
- Comprehensive security and fabric integrity. Built with Cisco-grade protections and fabric authentication features, the 9718 Crossbar Switching Fabric-3 Module helps safeguard data paths and maintain fabric integrity in shared environments.
Technical Details of Cisco MDS 9718 Crossbar Switching Fabric-3 Module
- Product line compatibility: Cisco MDS 9718 Director chassis family, Crossbar Switching Fabric-3 slot
- Module type: Crossbar Switching Fabric-3 (fabric interconnect module designed to maximize switching capacity and density)
- Form factor: Hot-swappable module designed for enterprise data-center enclosures
- Fabric performance characteristics: High-density crossbar fabric optimized for low latency and consistent throughput across the SAN
- Supported interfaces and speeds: Supports modern Fibre Channel connectivity and integration with high-performance storage networks (specific speeds and port counts are defined in official Cisco documentation for the MDS 9718 family)
- Redundancy and availability: Fully redundant fabric pathways and support for failover scenarios to maintain continuous SAN access
- Management and monitoring: Compatible with Cisco DCNM, SNMP monitoring, and vendor-provided management interfaces for visibility, zoning, and fabric health
- Power and cooling considerations: Designed to operate within standard Cisco MDS 9718 power and cooling envelopes; supports hot-swap without interrupting other fabric components
- Security features: Fabric-level protections and access controls to help prevent unauthorized activity within the SAN
- Environmental tolerance: Engineered for data-center-grade reliability with broad operating specifications
How to install Cisco MDS 9718 Crossbar Switching Fabric-3 Module
Installing the Crossbar Switching Fabric-3 Module in a Cisco MDS 9718 director is a straightforward process designed to minimize downtime and preserve fabric integrity. Follow these best-practice steps to ensure a successful deployment.
- Power down and prepare: Before installation, power down the node or ensure you are operating within the vendor-specified maintenance window. Use proper ESD precautions and grounding to protect the module and chassis.
- Access the chassis: Open the Cisco MDS 9718 director cabinet as per the provided maintenance procedure. Identify the empty Fabric-3 slot designated for the Crossbar Switching Fabric-3 Module.
- Align and insert: Carefully align the module with the slot guides and firmly seat the module until it clicks into place. Ensure connectors engage fully and the module remains securely seated.
- Secure and power up: Close the chassis, reconnect any peripheral cables if applicable, and power the system back on. Allow the fabric to initialize and monitor the module LEDs for normal power and activity indicators.
- Verify integration: Use the Cisco management tools to verify recognition of the new module, confirm fabric health, and validate connectivity to the core fabric and attached storage arrays. Perform basic tests such as device discovery, zoning checks, and loopback verification if required.
- Document and monitor: Record the installation details in your change-management system, and monitor the module through Cisco DCNM or SNMP to observe performance and health over time.
Frequently asked questions
- Q: What is the primary role of the Cisco MDS 9718 Crossbar Switching Fabric-3 Module? A: It expands and optimizes the crossbar fabric within the Cisco MDS 9718 director, delivering high-density port connectivity, low latency, and scalable SAN performance for enterprise workloads.
- Q: Is the module hot-swappable? A: Yes. The Crossbar Switching Fabric-3 Module is designed for hot-swappable operation, enabling maintenance and replacement with minimal disruption to running workloads.
- Q: Which management tools work with this module? A: The module is designed for seamless integration with Cisco DCNM, as well as standard network management protocols like SNMP, allowing centralized monitoring and configuration alongside other SAN components.
- Q: Does this module add redundancy to the SAN fabric? A: Yes. It supports redundant fabric paths and failover features to enhance availability and uptime in mission-critical environments.
- Q: What kind of environments is the Cisco MDS 9718 best suited for? A: Mid-sized to large enterprises that require maximum SAN density, scalable growth, and robust reliability for data center storage operations.
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4.2 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 4
Comfortable, affordable, and great for small spaces!
Color: Light Purple, Color: Light Purple
I had previously left a review of two stars, but have since deleted that review after I've owned the chair for a few weeks now. Initially, I stated the chair was uncomfortable and not cushioned at all. But this issue quickly resolved after sitting it for a longer time, it seems the cushion molds to you. So it may be uncomfortable the first few times sitting on it, but it eventually softens. The cushion is now soft yet sturdy. You don't sink in too much, but it's comfortable for sitting for long periods of time. I personally enjoy the mesh back as well, it supports my lower back and doesn't cause back pain. Normally I have to use a cushion of my own to support my lower back for most chairs, but this one actually supports me in a way that doesn't require an extra cushion - so that's really nice.
The chair is fairly on the smaller end, which is perfect for low desks or tight spaces, which is exactly what I wanted. The height can be adjusted, but even at the highest setting, it is still fairly low. Keep that in mind - it may not be super comfortable for those over 6 ft. The arms flip up which makes storing it under a low desk very easy. The cushion is thick and very accurate to the picture. I love that it is lightweight and doesn't make much noise when rolling the chair. It also feels very sturdy. Some of the reviews say it feels flimsy, and I don't know if some are just assembling it incorrectly, because for me this thing is very strong and holds up quite nicely under my weight.
Overall, this is exactly what I wanted for my personal living space. A chair that's not too bulky, but comfortable enough to sit in for long hours. It functions as advertised for this purpose.
One final thing -- the color selection is gorgeous. I bought the light purple color and it fits my setup nicely! Color was accurate to the picture, and looks very cute and adorable in my space.
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Reviewed in the United States on December 21, 2025
★★★★★ 5
Exteremly comfortable
Color: Dark Black
Reasonably priced, very comfortable l, easy assembly
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Surprisingly amazing chair!
Color: Pink, Color: Pink
tl;dr: If you need a chair that has the features of this one, then this one is a winner! Hits above its weight class for sure.
My wife is 5’. She’s small. For whatever reason she ended up with a chair made for big people, like 6+ feet and up to 500lbs type of a chair. She’d often even sleep on it and chill on it. The chair was big enough to fit 2 of her to be honest. It was an expensive chair that I won at some raffle and didn’t like myself. Over the years it ripped (got a cover for it) and even started to get lopsided (from the sleeping) and finally a spring broke (hence the pillow on it in the pictures)
She obviously lives pink. I also wanted to get a chair where she could work and not end ip asleep on. Not like we have a couch or a bed for that 😂.
This chair is very obviously smaller than her previous chair, it’s also significantly cheaper in price and build, it’s also not as durable feeling or stable, and it’s just not as padded. Yet somehow it’s an amazing chair that we both like better than her previous chair???
Like it’s crazy that this chair somehow works better in so many ways. Her desk is modified to be shorter than normal desks (again, she small lol) and her previous chair was just too big. The wheels are also like SUPER smooth, like you can run a chair race easily with it. It rolls over her rug and tucks into her desk (which is in our bedroom) easily. The amount of space this has save us when the chair isn’t being used is a lot. Previous chair was much bigger and didn’t tuck in at all.
The color is nice and the padding is plenty for a small and much lighter than 500lbs woman. I’m 6 feet and 200 lbs and the chair is nice for me as well. My chair is bigger and more secure in the backing, which is similar to this one. The lowest tension setting on my chair is still too high for her to lean back on my chair. This chair has a lower tension minimum and she can easily lean back freely, as well as keep enough tension to work without sagging.
This chair is surprisingly outstanding! I’m sure my wife will destroy it quicker than the last one, but it’s so cheap that even if it only lasts 1-3 years, I’ll happily buy it ones or twice more 🤷🏽♀️. Maybe by then they’ll invent a comfortable titanium chair that’s affordable that she won’t destroy 😂.
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Reviewed in the United States on February 28, 2024
★★★★★ 3
Mid.
Color: Light Purple
The chair is fine, and reasonably easy to put together. However, I've been using it for a little over a year and a half, and it's already falling apart. Random parts of it have fallen off, which is fine because it was still functional. But now the most frustrating part is that the wheels continue to pop off, and while the first attempts to pop them back on worked, they will not stay on now. This is obviously greatly impacting the stability, and I will need to purchase a replacement soon. For this price and lack of long-term durability, I would not buy again.
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Reviewed in the United States on January 4, 2026
★★★★★ 5
Alexa messed me up, but the company of the chair made it right!
Color: Light Purple, Color: Light Purple
I wanted something small with arms that moved out of the way when I wanted to slide my chair all the way into my desk for more space. This fit the bill. I loved the color blue and I had that in my cart for a bit. One day Alexa mentioned that an item that was in my cart was on sale. It was the chair. I let it be ordered. When it came it didn't exactly look blue to me. But I kept putting it together thinking maybe it was the lighting in the room I was assembling it in. I brought it to my craft room and lo and behold it is light purple. I looked at my order and sure enough it said light purple. Boo! I looked in my saved cart and the chair was gone. So I accepted it for an error. The next day I checked to see if I could return it. Thought I could, till I read that I would have to pay to return it. So I wrote the seller to tell them to ignore the return. And that was that. Till a couple days later I get an email from the seller asking if I would like a full refund or a replacement at no cost. I was like heck yeah send me the blue one. I was thrilled and I wanted to thank the seller for doing this without the return of the other chair. But I could not find a place to do that now. So here is where I will thank you. Thank you so much for doing this for me. You guys are AWESOME!. I love the chair and I love the blue color. I find it very comfortable, lite, easy to adjust, the size works great for me, and for the price the quality fits my needs. I do hope it lasts me for quite some time. Thanks again!
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Reviewed in the United States on January 9, 2026