Cooler Master
N400 - Mid Tower Computer Case with Fully Meshed Front Panel (NSE-400-KKN2)
*Price sourced from Amazon.com. Last updated 2026-05-23. Price and availability subject to change.
The N400 is one of two computer cases joining the N200 in Cooler Master's new N-Series. Along with its brothers, the N400 has numerous features that help it stand apart from the competition. It does so with a full array of exciting options that have been designed specifically with cooling performance in mind, especially water cooling. Its full mesh front panel and well-ventilated layout provide for a more abundant flow of air throughout the case. Fully embracing water cooling, N400 supports radiators up to 240 mm.
SpecPicks Verdict
SpecPicks classifies Cooler Master N400 - Mid Tower Computer Case with Fully Meshed Front… as a mid-pack option worth checking against alternatives in the pc cases category, based on 776 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Cooler Master's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for pc cases of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Solid 4.1★ customer rating
- ✓ Fully meshed front panel for superior airflow
- ✓ Backed by Cooler Master's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Fully meshed front panel for superior airflow
- Supports a 240 mm water cooling radiator or two 120 mm fans on the right side or top of case
- Supports up to three SSDs -two on the tool-less 2.5 Inch bracket and one at the bottom of the HDD cage
- Supports a 120 mm water cooling radiator at the rear
- Includes two Cooler Master XtraFlo 120 mm fans (non-LED) arranged for optimum airflow with support for up to 8 fans total
- Three dust filters (top, right side panel, and power supply) for easy maintenance
Full Specifications
| Brand | Cooler Master |
|---|---|
| Color | N400 |
| Fan Size | 120 Millimeters |
| Material | Metal |
| Case Type | Full Tower |
| Model Name | NSE-400-KKN2 |
| Unit Count | 1.0 Count |
| Connectivity | USB |
| Model Number | NSE-400-KKN2 |
| Built-In Media | case |
| Cooling Method | Air |
| Number of Fans | 3, 8 |
| Mfr Part Number | NSE-400-KKN2 |
| Total Usb Ports | 2 |
Ready to buy?
Cooler Master N400 - Mid Tower Computer Case with Fully Meshed Front Panel (NSE-400-KKN2) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-23. Price and availability subject to change.
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