NZXT H9 Flow Dual-Chamber ATX Mid-Tower PC Gaming Case – High-Airflow Perforated Top Panel – Tempered Glass Front & Side Panels – 360mm Radiator Support – Cable Management – White
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Size: Non RGB Fans
Style: H9 Flow
Color: White
Features
- CLEAR VIEW: Seamless glass across the front and side panels gives your builds components the undivided attention they deserve.
- HIGH-PERFORMANCE AIRFLOW: Perforated top and side panels direct filtered air through the case to cool down components and enhance performance.
- DUAL-CHAMBER DESIGN: Cables, storage, and PSU are separate from other components to maintain a clean look and maximize airflow to the GPU. SIMPLIFIED BUILDING: Spacious interior with intuitive cable management, a dedicated SSD wall panel, and removable top and side mounting brackets.
- SIMPLIFIED BUILDING: Spacious interior with intuitive cable management, a dedicated SSD wall panel, and removable top and side mounting brackets.
- ENORMOUSLY COOL: Supports radiators up to 360mm in the top, side, and bottom panels. Fits up to 10 x 120mm fans, or 6 x 140mm fans plus 1 x 120mm fan.
Description
The H9 Flow CM-H91FW-01 is designed to cool o powerful GPUs with its expansive thermal capabilities, featuring a ten fan capacity and numerous 360mm radiator mounting options. A perforated top panel takes cooling even further, and a unique wraparound glass design with a dual-chamber layout is the perfect showcase for premium components.
Brand: NZXT
Motherboard Compatability: Micro ATX
Case Type: Mid Tower
Recommended Uses For Product: Gaming
Color: White
Material: Tempered Glass
Power Supply Mounting Type: Bottom Mount
Cooling Method: Air
Model Name: CM-H91FW-01 23959168
Fan Size: 120 Millimeters
Number of USB 2.0 Ports: 2
Number of USB 3.0 Ports: 1
Brand: NZXT
Series: CM-H91FW-01 23959168
Item model number: CM-H91FW-01
Item Weight: 26.6 pounds
Product Dimensions: 23 x 23 x 15 inches
Item Dimensions LxWxH: 23 x 23 x 15 inches
Color: White
Computer Memory Type: DIMM
Manufacturer: NZXT
Date First Available: January 12, 2023
Frequently asked questions
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Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
The NZXT H9 Flow is hands down one of the best cases I’ve ever built in. The dual-chamber design makes cable management incredibly easy and clean. The airflow is excellent, especially with the perforated top panel — my temps stay low even under load. The tempered glass front and side panels show off your build beautifully, and there’s tons of room for fans or a 360mm radiator. It’s well thought out, sturdy, and looks amazing on my desk. If you're building a high-performance rig, this case is 100% worth it.
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Reviewed in the United States on July 18, 2025 by Blake
I love this case. The H9 is how best to put it, an inspired design from one of the most popular PC cases on the market the Lian Li O11. All I can say is if you come for the king you best not miss and NZXT hit their mark. The case is high quality, spacious to work in, versatile and elegant. I find the aesthetics of the case to be vastly superior to the 011, the case allows for nearly every part to be easily removed toollessly to make things easy to work on and offers tons of preplaced cable guides to make cable management as easy as possible. This brings me to some of the things I don’t like, I wish the USB were front facing instead of top mounted like on the O11 EVO, Hyte Y60/70 or NZXT’s own H6. I would have liked some rubber grommets covering the cable management holes to make the cables that run to the board look even cleaner. Lastly I would have liked some Velcro straps at the bottom of the case as well for managing things like a multi connection SATA cable from my PSU as well my fan cables/controller. Overall I highly recommend this case or cases like it for first time builders and experienced builders alike. The case offers so many great features and tons of mounts for fans for adequate cooling. It also takes NZXT’s minimalist aesthetic and creates something super elegant that can be a showcase for your build while not sacrificing things like airflow and function. It’s got some quirks but I am just happy to see NZXT whom I consider to be on of the best quality case manufacturers finally making good cases after years of just sticking with the H510. UPDATE: Given some of the let’s say less than savory tactics NZXT has been found to be doing with things like their predatory PC leasing program it might be best to start looking elsewhere in the future and customers should know about this. Won’t change the rating because the product itself is good even if the company that makes it has decided to go down a less consumer friendly avenue.
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Reviewed in the United States on April 22, 2024 by JD JD
This case while on the pricey end, is one of the best cases I’ve used, it’s sleek, modern, and spacious. While I wouldn’t recommend this case to a person who wants to build something small and more performance based, I would definitely recommend this case to someone who wants to build something aesthetically pleasing that stands out. The potential for this case is amazing and it’s paired with how visually appealing it is, not to mention the room for cable management due to the case’s dual chamber design. This would allow you to just throw the idea of cable management out the window if you don’t care for it. The case isn’t loud considering that it’s surrounded by 3 glass panels, the airflow is as great as you’d expect and it performs great in both the cooling spec and the lighting spec when it comes to aesthetics. The case itself isn’t that heavy, when you first get the package it may seem heavy but that’s mainly due to the glass panels, once removed though the case is basically as light as a feather, this may vary depending on the person, but it isn’t a heavy case regardless for its size. The case is relatively easy to use as well, for first time builders or people who are new to pc building it may be a bit difficult because they’re new to the idea of cable management and such, but to the relatively experienced or knowledgeable builder it’ll be a breeze. Once again, this case is such a perfect product when it comes to aesthetic appearance and lighting inside of the case, it isn’t too much but it just works in the right way, if you have the money I would definitely recommend this case especially right now considering the mark down compared to the previous price which was $200! Seriously though this is hands down the best case I have ever worked with, I couldn’t recommend this case enough due to its current price and all the extra things you get for the price, but only buy it if you’re willing to pay a bit more for a case, there are other cases out there that are cheaper and while they lack some of the things that the H9 does, they’re still great cases.
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Reviewed in the United States on August 24, 2024 by Darien Andonaegui Darien Andonaegui
I’ve had this for 7 months now, and I think it’s time I finally write a review. I get compliments on this case ALL. THE. TIME. My setup looks soooo clean now and this case really ties it all together. There’s so much space for airflow and cable management, and the size of the case made it easy to get in and assemble. I’m fine with the fans it came with, and haven’t bothered swapping those out because it stays pretty quiet and stays cool. I love the magnetic mesh top that pops off for easy cleaning in-between deep cleanings, and the mesh tray at the bottom that slides out. I love how many configurations there are for airflow or for your radiator, and I LOVE how the PSU gets hidden in the back alongside the cables. Maybe I’ll update this review with a picture of my cable management, because I’m really happy with that too. I love that the windows are glass panes instead of plastic/acrylic that might scratch easily. Everything about this case just feels high quality.
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Reviewed in the United States on July 7, 2025 by Harte Harte
Size: RGB Fans
Style: H9 Flow RGB+ (2025)
Color: Black
Outstanding case! Pros: comes with all the fans installed, plus the rgb controller installed. Lots of room for all of your pc build needs, and let's you show off the goods! If you haven't seen one in person, it is very large. Has all the room for activities! The backplane has a great area for managing cables neatly allowing for a neat and clean looking build. Cons: it's big. That may not be within your needs. It will need to be set on a hard surface or on a pc stand to allow the air to flow from the bottom fans.
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Reviewed in the United States on October 24, 2025 by A Kisinger