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
Two USB 3.0 SuperSpeed ports in front
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
- General Information
 - Manufacturer
 - Cooler Master Co., Ltd
 
- Manufacturer Website Address
 - http://www.coolermaster-usa.com
 
- Brand Name
 - Cooler Master
 
- Product Series
 - N
 
- Product Type
 - Computer Case
 
- Warranty
 - Limited Warranty
 - 2 Year
 
- Technical Information
 - Motherboard Supported
 - Micro ATX
 
- ATX
 
- Number of Fans Supported
 - 8
 
- Number of Fans Installed
 - 2
 
- Fan Size Supported
 - 4.72"
 
- 5.51"
 
- Installed Fan Size
 - 4.72"
 
- Customizable Case Lighting
 - No
 
- Window Panel
 - Yes
 
- Window Panel Location
 - Front
 
- Bays
 - Number of External 5.25" Bays
 - 2
 
- Number of External 3.5" Bays
 - 1
 
- Number of Internal 3.5" Bays
 - 7
 
- Number of Internal 2.5" Bays
 - 3
 
- Number of Total Expansion Bays
 - 13
 
- I/O Expansions
 - Total Number of Expansion Slots
 - 7
 
- Interfaces/Ports
 - Total Number of USB Ports
 - 4
 
- Front USB
 - Yes
 
- Total Number of Audio In Ports
 - 1
 
- Front Audio In
 - Yes
 
- Total Number of Audio Out Ports
 - 1
 
- Front Audio Out
 - Yes
 
- Power Description
 - Power Supply Installed
 - No
 
- Number of Power Supplies Supported
 - 1
 
- Physical Characteristics
 - Color Family
 - Black
 
- Product Color
 - Midnight Black
 
- Product Material
 - Polymer
 
- Mesh
 
- Cooler Type
 - Liquid Cooler
 
- Form Factor
 - Mid-tower
 
- Maximum CPU Cooler Height
 - 6.46"
 
- Maximum PSU Length
 - 7.09"
 
- Maximum GPU Length
 - 12.60"
 
- Height
 - 16.8"
 
- Width
 - 7.5"
 
- Depth
 - 19.7"
 
- Weight (Approximate)
 - 12.35 lb
 
- Miscellaneous
 - Country of Origin
 - Switzerland