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Description
Cisco Nexus 9800 36-port 400G Line CardThe Cisco Nexus 9800 36 port 400G Line Card is engineered to elevate data networking performance in modern data centers. Designed for high density, scalable deployments, this line card delivers exceptional throughput and reliable operation to support demanding workloadsfrom cloud computing and big data analytics to AI ML pipelines and real time financial services. Built to integrate seamlessly with the Cisco Nexus 9000 family, it enables data centers
The Cisco Nexus 9800 36-port 400G Line Card is engineered to elevate data networking performance in modern data centers. Designed for high-density, scalable deployments, this line card delivers exceptional throughput and reliable operation to support demanding workloads—from cloud computing and big data analytics to AI/ML pipelines and real-time financial services. Built to integrate seamlessly with the Cisco Nexus 9000 family, it enables data centers to optimize spine-leaf fabrics, accelerate east-west traffic, and future-proof the network against growing bandwidth requirements. With a focus on operational efficiency, predictable latency, and robust security, this line card helps IT teams simplify administration while accelerating time-to-value for critical applications. In short, it’s a strategic upgrade for organizations seeking to maximize performance, efficiency, and investment protection in their data center infrastructure.
- High-density, 400G capability: This line card provides 36 ports at 400G, delivering exceptional port density to maximize rack and chassis space while enabling scalable, future-ready data center fabrics. It supports dense aggregation and interconnects for spine-leaf architectures, reducing the number of devices required to meet aggressive bandwidth targets and simplifying cabling complexity. With parallel data paths and large buffers, it supports high-throughput workloads with minimal contention, making it ideal for modern workloads like AI inference, high-frequency trading, and large-scale virtualization.
- Consistent performance and low latency: The 400G line card is engineered to minimize congestion and maintain predictable latency under heavy load. It supports advanced QoS and traffic engineering features to ensure that critical applications receive the bandwidth and low-latency paths they require. This translates to faster service delivery, improved user experiences, and better adherence to service level objectives (SLOs) in multi-tenant environments where performance isolation is essential.
- Seamless Cisco ecosystem integration and automation: This line card is designed to work within the Cisco Nexus 9800 and Nexus 9000 portfolio, enabling unified management through familiar interfaces and tooling. IT teams benefit from automation-friendly features, robust telemetry, and programmable APIs that integrate with Cisco DCN and third-party management platforms. The ability to automate provisioning, monitoring, and remediation reduces operational toil and accelerates deployment of new services while maintaining consistent policy enforcement across the data center.
- Operational efficiency and reliability: Engineered for high availability, the line card supports hot-swapping in supported chassis configurations and includes mechanisms for fast fault containment and recovery. Redundant design elements and streamlined diagnostics help minimize maintenance windows and improve mean time between failures. Energy-efficient design choices reduce heat output and power consumption, contributing to lower total cost of ownership (TCO) while maintaining performance under sustained workloads.
- Versatile deployment scenarios and security posture: The 36-port 400G line card is suitable for a range of deployments—from dense leaf-leaf to spine-leaf fabrics and multi-tier architectures. Its security features, combined with Cisco’s fabric-wide security strategies, help safeguard data streams across the data center. Whether supporting multi-tenant cloud workloads, data-intensive AI pipelines, or real-time analytics, this line card delivers a flexible, secure foundation for modern network designs and policy-driven automation.
Technical Details of Cisco Nexus 9800 36-port 400G Line Card
- UPC/SKU: Not provided in this description.
- Product family: Cisco Nexus 9800 line card designed for the Nexus 9000 Series chassis.
- Ports: 36 ports at 400G per line card.
- Form factor: Line card compatible with appropriate Cisco Nexus 9000 chassis; hot-swappable as supported by the system.
- Management and automation: Integrates with Cisco management tools and open APIs to enable automation, telemetry, and policy-driven deployment.
how to install Cisco Nexus 9800 36-port 400G Line Card
- Power down or observe the chassis’ hot-swap guidelines as required by the hardware and service agreements. Ensure you follow electrostatic discharge (ESD) precautions before handling the module.
- Access the appropriate chassis slot designated for line cards and verify that you have the correct slot type and cooling availability for the 400G line card.
- Remove the existing line card if replacing an old module, or prepare the empty slot for a new insertion. Align the line card with the connector and slide it into place until it is firmly seated and locked.
- Reconnect any required cables and verify that port lighting and indicator LEDs confirm proper insertion. Boot the device if needed and allow the line card to initialize within the Nexus 9000 fabric.
- Load the appropriate firmware or software image if required and verify hardware recognition using the established management interface. Run basic port and system checks to confirm 400G ports are operational and that no errors are reported in the chassis logs.
Frequently asked questions
- Q: How many 400G ports does this line card provide? A: It features 36 high-density 400G ports designed to maximize data-center density and scalability.
- Q: Is this line card hot-swappable? A: Yes, it is designed to be hot-swappable in supported Nexus 9000 chassis, enabling non-disruptive upgrades and maintenance.
- Q: What ecosystems or management tools does it integrate with? A: It integrates with Cisco Nexus management platforms and supports automation APIs to facilitate provisioning, monitoring, and policy-driven operations across the data center fabric.
- Q: What deployments is this line card best suited for? A: It is ideal for high-density spine-leaf fabrics, large-scale cloud or enterprise data centers, AI/ML workloads, and environments requiring scalable, low-latency 400G connectivity.
- Q: Where can I find detailed specifications and compatibility guidance? A: Detailed specifications and compatibility information are available from Cisco documentation and the Nexus product catalogs, and can be cross-referenced with the appropriate SKU/UPC in the vendor's specifications repository.
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4.2 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Just what I needed!!
Color: Black
The wireless keyboard & mouse is being used with an aging laptop - the laptop's keyboard & touchpad were almost unusable, but the laptop itself (with a few minor upgrades) performed well considering its age. The keyboard uses one (1) AAA battery, is full size, and operates smoothly with no 'hiccups' or annoyances; the mouse uses one (1) AA battery, has auto-sleep built-in that kick in after approx 5 minutes of non-use, that takes a bit of getting use to bc you have to left or right click to wake it before it will respond to any motion - that's not really a 'con' bc that function could potentially extend battery life. It's an inexpensive way to get a new & functional input interface for your computer.
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Reviewed in the United States on October 27, 2025
★★★★★ 5
Excellent Monitor Once Your Eyes Get Used to the Curve
I upgraded from the 4K LG 27GN950-B UltraGear Gaming Monitor 27” UHD to this 4K Neo G8 curved monitor because of the 240Hz refresh rate and the numerous superlatives doled out to it by tech magazines and websites. I also wanted to maximize my Nvidia RTX 4090 card with one of the best rated monitors out there.
So, let's get the worrisome part out of the way first: if you aren't used to curved monitors (I wasn't) then, as many reviewers noted, it will take your eyes some time to get used to the curvature and how the images actually move on screen. For me, that time period lasted about two weeks, and I was really on the fence about this monitor during that timeframe. Once acclimated though, I finally got used to the tunneling effect where the image forces your eyes to focus on the center of the screen (kind of like when you are driving at night), and processes peripheral images still very distinctly but similar to your own vision with a slight wrapping effect at the edges.
The second issue I think many new users confront is actually adjusting the image settings to get the quality you prefer rather than one that's set as the default. For me, that means my video card can easily handle the 240Hz refresh rate (other cards may not) without screen flashing, tearing, or image ghosting, but the colors are far too saturated and actually are overwhelming on any of the presets. I had to adjust the color settings to the old sRGB standard rather than one of the presets (e.g., FPS, RPG, Cinema, etc.). The color tone is simply warmer and more natural with that sRGB setting and with the Contrast Enhancer On and the Brightness dimmed about 10%. As a first step, I recommend you adjust your own settings to your preferences and also factor an image that reduces strain on the eyes.
On that note of eye strain, I would also recommend some decent blue light glasses for extended play or viewing sessions. Just like with my aforementioned comparison with night driving, your eyes really do lock in a bit more for an immersive experience and you need to ensure you don't overdo it, especially initially if you aren't used to this type of monitor. Some users may notice initial motion sickness for specific games like FPSs or first-person RPGs, but I found that goes away with the right settings, some judicious gaming time limits (or blue light glasses for extended use), and the natural adjustment by your eyes to the curved display.
But, once you hit that sweet spot for settings, this monitor is excellent for picture quality and overall viewing. My old LG pales in comparison, though it still remains a good monitor. For anyone on the fence about the curved display, go to your local brick and mortar store that sells these and check them out in-person first. If you think you can adapt and you have the video card to power this monitor at the 240Hz refresh rate, then it's an easy recommendation. If not, the Neo G7 has a flat monitor option at 144Hz that would likely be an upgrade from the LG as well. With whatever monitor you settle on, always adjust the settings to your preferences as a first step, rather than force your eyes to adjust to a default setting or otherwise unnatural image quality in terms of light intensity. warmth, or color oversaturation.
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Reviewed in the United States on December 29, 2023
★★★★★ 5
Gorgeous, responsive display.
I'm only a few days in, but so far this monitor is everything I hoped it would be. The unit shipped to me so far appears to be flawless, no dead pixels or other issues. The blacks are so dark that one could legitimately mistake this for an OLED monitor. (It does make my cheaper secondary monitor's blacks look awful by comparison, but that's the fault of my secondary monitor, not this one.) The resolution and frame rate of the G8 are exquisite.
This is my first curved monitor. I've read that some people need time to get used to it. I was used to it almost immediately.
I haven't tested the included stand. I immediately attached this monitor to a dual arm monitor stand using the included 100mm VESA mount adapter. The VESA adapter works, and attaching it was easy... however there were no screws included to attach the adapter to the monitor. This is my biggest complaint about this monitor, but it's not enough to deduct a star. Luckily I had the correct screws already, otherwise I would have had to order some. My monitor stand is only rated to 20 lbs, but has no problem handling this monitor.
Maybe it goes without saying, but if you're thinking about spending the money for this monitor, make sure your PC/GPU is equipped to take advantage of it. Even in 2025 only the best GPUs are able to push 240fps at true 4K. I'm running a 7900xtx (AMD's most powerful GPU until the new ones come out this year) and so far I'm glad I spent the extra money on this monitor to unleash my GPU's potential.
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Reviewed in the United States on January 10, 2025
★★★★★ 1
Highly recommended if you get a good copy !!
INITIAL REVIEW after 5 days :
First of all, this is my rig :
- AMD 7900 XTX video card
- i9-12900k CPU
- Z790-e mono
- 32 Gb or RAM / 2TB SSD
When I was checking the net about this monitor, I could not find anybody using this monitor with an AMD video card and among those who bought this monitor and hooked it up to a NVIDIA video card ( 40 series ), almost all of them coincided in two flaws about this monitor : Scan lines and flickering ( some of them reported dead pixels as well ).
My initial report is that I do not have any of those issues : no scan lines in my desktop ( nor in my games ), no flickering and zero dead pixels ... however ... last Saturday December 9 when I turned on my PC ( and I would like to say something about this first : I always turn on my monitor, wait for the signal to appear in the screen - logo - and after that, I turn on my PC ... when I finish doing my gaming, I turn my PC off and then my monitor and this process is SUPER essential to keep your monitor working properly good ), I got a divided screen ( a vertical line dividing the screen in two screens ) and ugly and very pronounced scan lines in the whole screen. I freaked out and I thought in that very moment, to return it forever and replace it for a different monitor.
I decided to turn not my PC, I waited 5 minutes and turned the monitor back on ... this time, I waited for the DISPLAY PORT pop up small window to show on the top left of the screen ( previously I did not wait for that logo ) and as soon as I saw that my monitor was displaying that the display port was connected, I turned my PC on and it did work as intended. Again, I do not know at this point why I got a divided screen and ugly, big and pronounced scan lines before ... I spoke to my PC tech and he suggested to me that most likely it was a cable issue.
The display port cable I was using was the iVANKY 8K cable, a cable that I have for some time and was hooked up to my previous monitor and I never had any problem with it.
I think that the problem probably was, that as soon as I turned on my monitor, I turned on my PC, so I did not wait for the monitor to properly wake up, give me the signal that the display port was connected and probably, that was the problem. Again, I have no technical proof about what I am saying, but the correct process should be :
- Turn the monitor on and wait for a light in the screen ( energy is waking up your monitor ) and the signal that your display port is connected ...
- ... and then turn on your PC ...
- revert the process and this is important : once you turn off your PC and it is OFF, click on the center joystick button of your monitor, click on the 'south button' and turn the monitor off. Do not leave it on.
Since that issue that happened last Saturday, I am following that process by the letter and I have not had any issue at all, however, to be sure that this does not happens again, I decided to buy a different cable in Amazon, the : BIFALE vesa certified 6.6 feet 16K DP 2.1 cable. I started to use this cable today as soon as it arrived. So far, so good.
So, except for that issue that happened last Saturday and it did happen only one time, this monitor, so far, is working like a charm. Now, let's talk about some details :
- The curvature : I do not know what all the fuss is about this, cause for me, is beautiful ... however, I am coming from the Samsung G7 1440p 240 Hz monitor which also is curved, so for me, that is not an issue at all, but I remember that when I got my G7, it took me a couple of days to get use to and I fell in love with curved screens.
- Matte screen : I love this monitor in that regard. The screen has not reflections at all, is pure black, no light reflections and no bleeding lights at all.
- The power brick is not too big as some people described it.
- The bezel is thin and I like it better than my G7.
- If you turn on the fancy light in the front and back, I can tell you that the lights in front are not that bright and they do not bother me as other monitors did in the past.
MY OWN SETTINGS :
- Refresh Rate : 240Hz ( with my GPU AMD 7900 XTX I can play Cyberpunk - no ray tracing cause I do not like it anyway - in Ultra and get 140 FPS. I do not care if it does not get to 240, cause we do not have any video card in the world that can get 240 hz in 4k anyway and beside, I do not see why people are so concerned about a lot of hertz when 60 is sufficient and if you get more than a 100 fps is more than enough. Anyway, to each his own, but for me, there is not difference between 120 or 180 FPS so I am good with what I got ... however, I got plenty of room still so when I upgrade my video ( in 2024 ) card with the newest AMD, I will probably get around 180 fps. Again, this is not something I am crazy about but it is good to have extra than not.
- Free Sync : ON
- Black Equalizer : 13
- Brightness : 50
- Contrast : 73
- Contrast Enhancer : OFF
- Gamma : Mode 3
- Saturation : 50
- Local Dimming : AUTO
- VRR Control : ON
- Color Tone : CUSTOM
- Red = 50 / Blue = 50 and Green = 50
- I have not used this monitor with HDR. I do have Windows 11 and I am not planning to use HDR till this feature has been enhanced by Microsoft. I do not believe it is polished enough yet so I do not know how this monitor will perform using HDR ... however, I will give it a try with new upcoming games with great graphics ( perhaps via Unreal Engine 5 ) and see how well it does perform with HDR. I will update this information once I do it next year ( 2024 ), assuming that this monitor does not break before.
QUALITY OF THE SCREEN / IMAGE :
- The colors are really PUNCHY ... very saturated out of the box and kind of 'warm' image, fantastic, something that you have never seen before. The only changes I made as soon as I connected it to my PC were : Refresh Rate ( default was 120Hz, Freesync = on, Black Equalizer= 13 and Gamma = mode 3. I think that the VRR was on already and Local dimming in auto as well. So out of the box this monitor is superb.
I have had IPS monitors as well and nothing matched the punchy and burn colors of this monitor. I do not think that it needed to be calibrated at all.
- No Scan lines
- No flickering
- No Dead Pixels .... I am happy so far with this monitor but I am crossing my fingers here. Someone reported in the net that he did not have any issue during 2 months and then the scan lines started to show up. We will see if that happens and if it does happen before my refund window, I will return it immediately and replace it with a different monitor but I will never go back to this one again.
FLAWS :
- It could be sturdy but it does wobble a bit. The base is not that strong to hold the monitor really steady.
- The joystick in the bottom center of the screen to control your settings, have 5 very tiny buttons, one in the center and 4 : north, south, east and west .... those 4 are so small that in the beginning, when I try to access my monitor settings, I could not figure it out by the touch, I spent about a couple of minutes before I could sense with the tip of my finger, that there were another 4 buttons beside the middle one. In this regard, they could have done better but once you figure it out, it is easy to handle.
CONCLUSION :
I cannot find anything else bad in this monitor to be honest.
I am not using the Display Port cable that came with it. I am using my own display port cable.
I cannot advise anything related about how good this monitor is with a NVIDIA video card. All my life I used NVIDIA since I started to use PC : 1080ti and 2080ti ... I wanted to jump to the 3080 or 4080 but hey, those prices back then were too high. I will stay with AMD, which is cheaper and I have no complains at all about this awesome video card ( 7900 XTX ).
My monitor is on my very nice desk ( real wood desk and heavy ) and beside me, on my right, there is the windows that give me access to my balcony. If I open it, still this monitor does not reflect light in the screen but most of time, that window stays close.
I have a living room lamp on my left and a small desk lamp on the right of my desk and those lights does not reflect in my screen as well, so the matte coated Samsung used on this screen is something else.
The firmware version is : 1000.8 which is the last one available according to Samsung website, so I do not need to update it at all.
Well folks, for those who have an AMD card ( series 6 or 7 ), most likely, you will not have any issues with this monitor. I am saying this because I know that Samsung said that it was Nvidia fault about the scan lines and flickering in this monitor.
Even though I am rating this monitor with 5 stars in Gaming, Picture Quality and Brightness, I cannot give it an overall 5 stars cause I have not used it long enough to find out if those issues that everybody have reported ( scan lines and flickering ) will show up one of these days. I hope not and if it does not happen, then I will increase my own rating to 5 overall.
I will update this review in 2 weeks and a couple of days before my refund window close. Honestly, I am looking forward to continue using this monitor for a very long time. It does has the potential to still be very good in the future and has nothing to envy to any monitor out there, even an OLED monitor which are much better in the contrast department but still, this Samsung Neo G8 32" 4k 240Hz is excellent in that regard as well, and the OLED technology is not yet solid enough to completely defeat this monitor.
UPDATE ( 12/24/2023 ) :
Up to this point, this monitor continuos performing flawless. No scan-lines, no flickering and no dead pixels at all. I am very happy with it and will update this review in about 2 weeks.
UPDATE ( 12/30/2023 ) :
The image shows what this monitor has done twice since I bought it. I have tried 2 very good cables.
If that happens again, I will return it.
LAST UPDATE and RETURNED ( 01/03/2024 ) :
Unfortunately, the ugly scan lines + divided screen ( as you can see in the image ) were present again. I had to return it today January 4th, 2024 for a full refund ( Amazon did not offer me to replace it ... ) to my credit card. It is a shame, a waste of time when you buy an expensive monitor like this one, and you end up returning the unit due to some faulty function that could not be fixed by Samsung.
Yes, the monitor size is excellent, the curvature is awesome, the colors are punchy and it is a 4k screen with super detailed image but .... the scan lines ( as shown in the image ) completely ruined my experience and my desire to buy a replacement.
I used 3 different cables to filter the issue, believing that the culprit was probably a bad cable but it was not. I am not an Electronic Enigineer but I think that the problem is I think, related to the display port not able to output the right frequency or something like that.
Whatever you see in that picture happened 3 times in less than a month. When it happened, I had to turn my PC off and restart it back up. Anytime I did that, the monitor worked as expected, but as I said before, it did happen 3 times and that is unacceptable.
I cannot keep a monitor that is doing that with the potential to completely break down to the point that I would not be able to use it anymore or ending up in sending the unit to Samsung. Why should I waste my time and why should I deal with Samsung in the first place ?
If Samsung would have ensured that these units were working as expected, this would be the monitor to buy and never look back. There is no other better option than these monitors out there if you have an excellent copy.
I cannot recommend to anyone to buy it cause there is a great chance that you will end up returning the unit and that is a waste of time that customers should not face at all. Now I need to wait for my full refund and will probably buy a different unit. I have time to do my research and I am very sure that I will get something better. I have changed my overall rating from 4 to 1. Good luck if you get a perfect unit.
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Reviewed in the United States on December 12, 2023
★★★★★ 5
Great high contrast gaming monitor
Great high contrast gaming monitor. I think they oversell some of the features and try to push the monitor beyond what it's really capable of but after some tweaking it's still a very good monitor I don't plan on returning.
pros:
- great contrast with MiniLed, almost as good as Oled*
- very low latency with no noticeable overdrive
- hdr looks excellent with miniled setting set to "high"
- great brightness if you switch the base display profile to "fps", the default is pretty dim
cons:
- mine has a dead pixel in the very corner, it's so close to the edge of the screen it's barely detectable even when I'm looking for it so I decided not to return
- scan lines when viewing at 240hz, it's not noticeable in games but when you look at blocky solid colors (more yellows and blues) it really stands out. Hard not to notice that all the Amazon yellow buttons have horizontal lines through them. I've left mine at 120hz, don't really notice a huge difference between the two rates anyway, completely resolves the issue.
- the miniled implementation likes to avoid blooming, but comes at the cost of reducing the brightness of highlights. IE: if you have a black screen you'll notice your mouse appears slightly dimmer, but the blacks are still near-black. If you switch the miniled setting to "high" you get a normal brightness mouse but some bloom.
- default settings cause a good amount of black crush (black and near-blacks get pushed to no-brightness). I had to reduce the black equalizer setting down to 8 to fix this. The default setting looks more dramatic in movies but the loss of detail in dark scenes was pretty bad.
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Reviewed in the United States on August 21, 2022