Cooler Master N400 N-Series Mid Tower Computer Case with Fully Meshed Front Panel
Cooler Master N400 N-Series Mid Tower Computer Case with Fully Meshed Front Panel
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Cooler Master N400 N-Series Mid Tower Computer Case with Fully Meshed Front Panel

Mid-tower - Midnight Black - Polymer, Mesh - 13 x Bay - 2 x 4.72" (120 mm) x Fan(s) Installed - Micro ATX, ATX Motherboard Supported - 8 x Fan(s) Supported - 2 x External 5.25" Bay - 1 x External 3.5" Bay - 7 x Internal 3.5" Bay - 3 x Internal 2.5" Bay - 7x Slot(s) - 4 x USB(s) - 1 x Audio In - 1 x Audio Out ...

MFG. PART: NSE-400-KKN2 UPC: 884102023293
Warranty: 2 Year Warranty
  • Polymer, Mesh Front Bezel
  • Side Panel Security Lock
  • Removable HDD Cage
  • 4.7" Liquid Cooling Radiator
  • 2 x USB 2.0/3.0 Ports
  • 7 x Expansion Slots
  • Cooler Master NSE-400-KKN2 System Cabinet
  • Cooler Master Mid Tower Micro-ATX\/ATX Computer Case (Midnight Black)
  • Limited 2-Year Warranty
Cooler Master N400 NSE-400-KKN2 N-Series Mid Tower Computer Case with ATX Motherboard Support, Multiple 240mm Radiator Support, and Ventilated Front Panel

Polymer, mesh front bezel ATX Mid Tower
USB 3.0 x 2 (int.), USB 2.0 x 2, Mic x 1, Audio x 1 (supports AC97 / HD Audio) Front Ports
2 External 5.25" Drive Bays
7 Internal 3.5" Drive Bays

The N400 is a member of Cooler Master's N Series computer cases. All members of the N Series feature a mesh front panel that provides modern styling and optimized ventilation. Water cooling is fully embraced as N400 supports up to 240mm radiators for extreme cooling performance. Multiple dust filters located throughout the chassis make system maintenance simple and convenient.

The N Series features a premium, fully meshed front panel that allows substantial airflow to pass through the chassis. Strategic placement of the included fans provide optimum cooling for internal components out of the box.

Flexible mounting options including support for a 240mm radiator along the right side and 120mm at the rear.

General Information

Manufacturer: Cooler Master Co., Ltd
Manufacturer Part Number: NSE-400-KKN2
Manufacturer Website Address:
Brand Name: Cooler Master
Product Series: N
Product Model: NSE-400-KKN2
Product Name: NSE-400-KKN2 System Cabinet
Product Type: Computer Case

Technical Information

Motherboard Supported: Micro ATX, ATX
Number of Fans Supported: 8
Number of Fans Installed: 2
Fan Size Supported: 4.72" (120 mm), 5.51" (140 mm)
Installed Fan Size: 4.72" (120 mm)


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

Number of Total Expansion Slots: 7


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

Product Color: Midnight Black
Product Material: Polymer, Mesh
Cooler Type: Liquid Cooler
Form Factor: Mid-tower
Height: 16.77" (426 mm)
Width: 7.48" (190 mm)
Depth: 19.74" (501.40 mm)
Weight (Approximate): 5.60 kg


Country of Origin: Switzerland


Limited Warranty: 2 Year
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