Price:
(as of Jan 29, 2026 04:28:54 UTC – Details)
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.
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
Two USB 3.0 SuperSpeed ports in front