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Case

Cooler Master MasterBox NR400 (w/o ODD) MicroATX Mid Tower Case

(3 Ratings, 4.7 Average)

Prices

Merchant Base Promo Shipping Tax Availability Total
$79.00 In stock $79.00+ Buy
$88.00 In stock $88.00+ Buy
( 2 new from $88.00. Last updated 1 minute ago. )
$89.00 +FREE s/h In stock $89.00 Buy
$89.00 In stock $89.00+ Buy
$89.00 In stock $89.00+ Buy
$89.00 In stock $89.00+ Buy
$89.00 Out of stock $89.00+ Buy
$89.00 In stock $89.00+ Buy
$89.00 In stock $89.00+ Buy
$89.00 In stock $89.00+ Buy
$89.00 In stock $89.00+ Buy
$95.00 Preorder $95.00+ Buy
$127.00 In stock $127.00+ Buy

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Specifications

Manufacturer

Cooler Master

Part #

MCB-NR400-KGNN-S00

Manufacturer

Cooler Master

Type

MicroATX Mid Tower

Color

Black

Power Supply

None

Side Panel Window

Tempered Glass

Power Supply Shroud

Yes

Front Panel USB

USB 3.2 Type-A

Motherboard Form Factor

  • Micro ATX
  • Mini ITX

Full-Height Expansion Slots

4

Half-Height Expansion Slots

0

Maximum Video Card Length

346 mm / 13.622"

Dimensions

  • 411 mm x 210 mm x 411 mm
  • 16.181" x 8.268" x 16.181"

Internal 2.5" Bays

4

Internal 3.5" Bays

3

Volume

  • 35.473 L
  • 1.253 ft³

Price History

    Reviews

    kacperptak01
    • 10 points
    • 6 months ago
    • CM NR400 : I was going to originally go with a define c mini tg, around £5 more. However when i saw this, and its price, a mesh front panel, psu shroud,tg i instantly went to youtube to watch some reviews and they were very positive, so i ended up going for this and have no regret what so ever. The Tg panel, very slightly tinted, has a ~2cm border of black glass running around it, not sure why, but it looks good. Only one complaint, the drive cage; if you chose to have a hard-drive you will need to leave it in which takes up 1/4 - 1/5 of the psu shroud. Might not seem like much, but didnt leave me much room to stuff all my cables leftovers in, luckily due to having a semi modular psu, i was ok. has a few "dents" on the back of where the motherboard goes, where you can attatch cable ties or anything to organise wires, the cable cutout in the top right of the case worked perfectly for wiring my fan cables through and right to the fan port on my motherboard. The case comes with 2 fans stock, one in the front middle slot and one in the rear, i plan to instal 3 RF120's in soon, to provide some light to the inside of the case and to give some additional cooling. Front panel IO consists of 2 USB ports and a single headphone combined jack for audio and microphone. No issue connecting them, (however the usb cable was quite stiff but I wired it in an L shape from mobo to front panel and it worked fine)once again due to conveniently placed cutouts. Definatly recommend this, looks great, good cooling.
    Forsakenn
    • 9 points
    • 21 days ago

    from completed build Black Mamba (1st build)

    An amazing case. Cooler Master has really outdone themselves with this one. 2 stock fans move a ton of air, cable management is amazing. The two fans come with a molex splitter, and since they are not PWM they are gonna run at the max speed anyway, so you're basically getting a free splitter. Amazing value. Costed me 60 euros.

    AsternWalnut51
    • 6 points
    • 1 month ago

    from completed build First Ryzen Build

    Fantastic case for the price. super quick and easy to build in and didnt give me any issuse, good fans inlcuded, and great airflow. highly reccomend!

    Builds Using This Part

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