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Cooler Master > 
Item#: N82E16811119277

Cooler Master N400 NSE-400-KKN2 N-Series Mid Tower Computer Case with ATX Motherboard Support, Multiple 240mm Radiator Support, and Ventilated Front Panel

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  • 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

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

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.


HIGHLIGHT FEATURES

COOLER MASTER

SUPERIOR VENTILATION

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.

COOLER MASTER

COOLING FLEXIBILITY

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

COOLER MASTER

SIMPLIFIED CLEANING AND MAINTENANCE

Multiple filters can be found throughout N400 (top, right, bottom) to make cleaning dusty build ups a breeze.

COOLER MASTER

OPTIMIZED STORAGE SPACE

8 HDDs can be used to fill up all 3.5" drive bays, or replace two with SSDs in the tool-less slots. An additional SSD can be mounted at the bottom of the hard drive cage to reach maximum storage capacity.

ADDITIONAL FEATURES


Dual Super Speed USB 3.0 & Dual USB 2.0
COOLER MASTER

MID TOWER SIZE

Built for ATX and Micro-ATX motherboard

COOLER MASTER

COVERAGE

Parts, product replacement, and free technical support.

WHICH SERIES IS RIGHT FOR YOU?

COOLER MASTER COOLER MASTER
N200
COOLER MASTER
Silencio 352
COOLER MASTER
N300
COOLER MASTER
N400
COOLER MASTER
Silencio 652S
Performance AirFlow Silence AirFlow AirFlow Silence
Size MATX Tower MATX Tower ATX Mid Tower ATX Mid Tower ATX Mid Tower
Motherboard Support Mini-ITX, Micro-ATX Mini-ITX, Micro-ATX Mini-ITX, Micro-ATX Micro-ATX, ATX Micro-ATX, ATX
Micro-ATX, ATX 202 x 378 x 445mm 7.9 x 14.9 x 17.5 inch 202 x 378 x 445mm 7.9 x 14.9 x 17.5 inch 190 x 426 x 501mm 7.5 x16.7 x 19.7 inch 190 x 426 x 501mm 7.5 x16.7 x 19.7 inch 508.6 x 220 x 507mm 20 x 8.7 x 20 inch
Radiator Support Front: 240mm radiator x1
Rear: 120mm radiator x1
Front: 240mm radiator x1
Rear: 120mm radiator x1
Side: 240mm radiator x1
Rear: 120mm radiator x1
Side: 240mm radiator x1
Rear: 120mm radiator x1
Top: 240mm radiator x1
Front: 240mm radiator x1
Rear: 120mm radiator x1
Fans Included Front: 120mm XtraFlo fan x1
Rear: 120mm XtraFlo fan x1
Front: 120mm XtraFlo fan x1
Rear: 120mm XtraFlo fan x1
Front: 120mm SickleFlow fan
Rear: 120mm SickleFlow fan
Front: 120mm XtraFlo fan x1
Rear: 120mm XtraFlo fan x1
Front: 120mm Silencio x2
Rear: 120mm Silencio fan x1
Maximum Number of SSDs Supported 4 4 3 3 10
Maximum Number of HDDs Supported 3 3 8 8 9
Sound Dampening Panels None None None
Convertible Panels with
Removable Covers
None None None
Removable Dust Filters
Meshed Front Panel None None
Side Panel Window None None None None

Learn more about the Cooler Master NSE-400-KKN2 (N400)

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by Newegg.com's Standard Return Policy.
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Condition Guidelines

The following guidelines apply to all product categories unless otherwise indicated within specific categories.

  • New : A brand-new, unused, unopened item in its original packaging, with all original packaging materials included. Original protective wrapping, if any, is intact. Original manufacturer's warranty, if any, still applies, with warranty details included in the listing comments.
  • Refurbished : "Refurbished" products have been tested to ensure compliance with original manufacturer specifications, and MAY include a limited manufacturer warranty - see the item's product page for details.
  • Open Box : Newegg only guarantees your receipt of the Open Box product with the purchase of this item. Any accessories MAY OR MAY NOT be included. Newegg will NOT send you any missing accessories, even if it is required to use all of the item’s functions.
  • Used - Like New : All of the instruction booklet or artworks are within the original case and showing no wear and tear. The disc has no visible scratch and in working condition. DLC content may have already been redeemed.
  • Used - Very Good : All of the instruction booklets or artworks are within the original case but showing minimal wear and tear. The disc has light scratches and in working condition. DLC content may have already been redeemed.
  • Used - Good : Either the instruction booklet or the artworks are missing from the original case and showing wear and tear. The disc has light scratches and in working condition. DLC content may have already been redeemed.
  • Used - Acceptable : The instruction booklet and the artworks are missing from the original case and showing wear and tear. The disc has scratches but in working condition. DLC content may have already been redeemed.
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