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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

  • 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

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

Customer Reviews of the Cooler Master NSE-400-KKN2 (N400)

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  • Anonymous
  • 4/11/2016 8:22:39 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsOK - but rebate is not being honored

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

Pros: - Room for several HDD
- Easy removal of side panels with thumb screws

Cons: - Rebate not being honored - it's now been submitted 3 months ago
- Flimsy plastic front panel

Other Thoughts: Not recommended as value is not there without rebate which has not been paid

Did you find this review helpful? Yes No

  • Rusti S.
  • 3/29/2016 6:03:13 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsGood case for the money.

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

Pros: Cost
Looks nice
Great airflow
Optical drive (if you still use one)

Cons: Cable management sucks
Could be loud depending upon your particular components due to the max airflow design

Other Thoughts: I got this case for my very first build. I honestly wish I would have gotten one with a little bit better cable management capabilities, that's the only reason it got 4 out of 5 eggs. That being said, it was not a deal breaker for me though as the one I picked had no side window. So basically just do the best you can and it doesn't matter because no one can see it. For the money I think this is a great case. It has great airflow and I think it looks pretty cool too.

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  • Ricardo L.
  • 3/23/2016 11:15:52 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggsNice case, great for the value.

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

Pros: The internal design and functionality is average. I'll list the factors that influenced my purchase, ATX mid tower, less than 18" height, lots of options for drives, radiator, and cooler height. The build quality is good. One of the few, if not only mid tower ATX case that is this functional without looking garish. Another thing is a big plus for me is the height of the case. Less than 18" in height makes it a perfect fit for my desk cabinet. It is unbelievably difficult to find a good looking case that is less than 18" tall.

Cons: The mesh. Dust/dirt tends to settle and makes it difficult to clean a mesh case. Another issue is if you plan on using the side radiator mount you can forget about cable management or the 2.5" drive caddy. The claim of radiator mounts is a bit misleading while technically you could mount a 240 mm radiator if you were only measuring the screw holes, however realistically there is not enough clearance in the case to mount a 240 mm radiator either at the top or side or even front. I tried mounting a 240 mm radiator plus fans at the top but there just wasn't enough clearance for the memory. Attempting to mount on the side - the drive cage gets in the way of the tubing and blocks the ability to attach screws to the radiator and you lose cable management from the side. The 3.5" drive cage does not come with 2.5" adapters so you have to use the available 2.5" mount or caddy. That causes a problem if you attempt to use the side for a radiator or fans because you won't be able to use the caddy.

Other Thoughts: Updating this review since adding/changing some components and using it for awhile. Deducted additional eggs for misleading 240 mm water cooling compatibility claims.
Recommended if you're looking for a decent case and not using a 240 mm liquid cooling.

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  • Anonymous
  • 3/18/2016 4:23:00 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat Product!

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

Pros: Great case!

Cons: None!

Other Thoughts: Great case!

1 out of 1 people found this review helpful. Did you? Yes No

  • Steven K.
  • 3/12/2016 3:30:42 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsExcellent

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

Pros: Tons of room, easy to use. Performs as advertised.

Cons: None.

Other Thoughts: Easy choice for everyone on non E platforms.

Did you find this review helpful? Yes No

  • jordan h.
  • 2/11/2016 6:20:23 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

1 out of 5 eggsNot worth $60

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

Pros: Its a case nothing that pops out

Cons: The trends on the motherboard header was not right so the IO shield would not go on for the motherboard.

Other Thoughts: i would go with another cooler master case not this one or corsair,fractal design. might just be me who knows

0 out of 4 people found this review helpful. Did you? Yes No

  • Anonymous
  • 2/1/2016 2:34:54 AM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGood looks, great cooling, and potential.

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

Pros: Great venting, Has removable hair guards. great if you have pets that shed. came with all required mounting hardware.

Cons: Instructions like IKEA, no reading, they tried to have me use a corse thread screw for the motherboard, the studs are fine threaded. Instruction misprint.

Other Thoughts: Easily fits MSI GTX 980 TI 6g.
I built a CUSTOM MOUNT out of scrap aluminum, and put an H90 140mm Corsair liquid cooler into it, with no cutting or drilling of the case.

Did you find this review helpful? Yes No

  • Andrew S.
  • 1/15/2016 7:47:34 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

3 out of 5 eggsNice compact full ATX case for basic builds

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

Pros: Modern, clean looking, compact size for atx boards. I was looking for a simple no-frills compact case, this case was exactly that.

Cons: Build quality seems a bit cheap compared to other cases (such as the define R4). Tool-less hard drive bays are laughable cheap. The 2.5" mount is cheap and does not fully secure drives, it gets the job done however.

Other Thoughts: Overall, I like this case for the price. It looks sharp, and for a relatively simple build its a solid choice.

1 out of 2 people found this review helpful. Did you? Yes No

  • Joey E.
  • 1/7/2016 2:12:34 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsOk product

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

Pros: Solid case
Spacious for my needs

Cons: Front panel paint started chipping after a few months
Front panel Usb 3.0 failed within 2 months after purchase

Other Thoughts: I would recommend to those needing a cheap case. However I would recommend to the manufacturer that the paint and front I/O was should be made a little sturdier.

1 out of 1 people found this review helpful. Did you? Yes No

  • Tyler M.
  • 12/12/2015 6:39:29 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsGreat case for starters!

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

Pros: Absolutely love this case!! I love how many fans you can mount and the airflow from the front. It seems to be a great case with no issues so far with my build.

Cons: Wish there was a window option with this case.

Did you find this review helpful? Yes No

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Item#: N82E16811119277
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