

🖤 Cool, Clean, and Crafted for the Modern Pro
The Cooler Master N400 NSE-400-KKN2 is a sleek midnight black mid-tower PC case designed for professionals who demand high airflow and quiet operation. Featuring a fully meshed front panel, support for extensive water cooling setups, tool-less SSD installation, and multiple dust filters, it balances performance with easy maintenance. With dual USB 3.0 ports and included high-quality fans, this case is perfect for building a powerful, clean, and efficient workstation.


| ASIN | B00DKXXBU0 |
| Are Batteries Included | No |
| Best Sellers Rank | #76,864 in Computers ( See Top 100 in Computers ) #592 in Computer Cases |
| Brand | Cooler Master |
| Color | N400 |
| Customer Reviews | 4.4 4.4 out of 5 stars (3,197) |
| Date First Available | 18 July 2013 |
| Form Factor | ATX |
| Item Weight | 5.62 Kilograms |
| Item model number | NSE-400-KKN2 |
| Manufacturer | Cooler Master USA, Inc. |
| Maximum Memory Supported | 16 GB |
| Number of USB 3.0 Ports | 2 |
| Product Dimensions | 50.04 x 19.05 x 42.42 cm; 5.62 kg |
| Series | N400 |
U**T
Good Quality Case
I used a Silencio S400 to rebuild a PC that had good internals in a disappointingly cheap case. I didn't want a side window as I intended it to be used for work and don't want LEDs etc. The end result was very satisfying. Very good case, easy to build with and good quality.
L**R
very nice
great value for money
S**N
Issues with cooling. But works well for non load use
It works fine, but the airflow is really poor.
H**Y
Downsized to this case from a mid tower since I am only using an mATX motherboard, and I'm loving it so far. The build quality is great and the airflow and thermals are decent for a quiet case. Looks very sleek and compact on my desk. The solid steel side panel is great as I don't care about showing off my internals and don't have to worry about shattering any tempered glass. Main issue I have with it is the PSU dust filter under the case. It is a filmsy metal mesh that is held in place by small flaps and feels cheap for something this price point. Should have been magnetic or a sliding filter like the 4000d airflow. Would be great if there is a version without the optical disk drive bay and instead allow mounting of 3 120mm fans in the front.
J**E
The Cooler Master N200 is easily one of the best micro-ATX cases I’ve worked with, especially for the price. ✅ Incredible airflow thanks to the fully meshed front panel ✅ Compact but very easy to build in ✅ Room for fans, radiators, SSDs, and even a 240mm AIO ✅ Clean, minimal design with solid construction It’s a great choice for budget builds, home servers, or general-purpose PCs. Cooler Master did an amazing job overall. However, there is one issue I ran into: The motherboard standoffs. When you install your motherboard, things seem fine — but when you try to remove it later, the screws can get so tightly stuck in the standoffs that the whole standoff unscrews from the case with the screw still attached. Once that happens, getting the screw out of the standoff is nearly impossible. I tried everything, but they were just locked together. And unfortunately, the standoff doesn’t go back in securely either. It’s a small issue, but definitely frustrating if you do upgrades or maintenance often. That said, I still really love this case. If Cooler Master fixes the standoff issue in a future revision, it’ll be near perfect. Just handle the motherboard screws gently and be prepared in case you need pliers. Otherwise — this is a fantastic case with unbeatable value.
G**N
Una caja que rebosa calidad la mires por donde la mires y muy silenciosa.
P**O
Caja muy práctica para equipos con placa micro-atx y mini atx. Fácil instalación. recomiendo instalar los discos duros y placa antes que la fuente de esta manera el montaje es mucho más fácil. Calidad precio muy bueno y de una marca de garantía como Cooler Master. Saludos
A**R
Amazing value for a very attractive computer case! I got this for $40 on sale, and it was worth every penny. The metal case is light and mostly strong. Some points are a bit delicate, like the front panel fans and gpu shield thing. The magnetic front panel is great for quick cleaning. My PC takes up less space while looking attractive and keeping my internals cooler than before. I appreciate the cover in the bottom of the case to hide the extra cables from my non modular power supply. Everything but the 3.5 drive bay from my mid tower case fit great into this case.
Trustpilot
2 weeks ago
3 days ago