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Cooler Master MasterBox NR200 Mini-ITX Mini-Tower Case (Black)

BH #CONR200 • MFR #MCB-NR200-KNNN-S00
14 reviews
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Cooler Master MasterBox NR200 Mini-ITX Mini-Tower Case (Black)
Key Features
  • Mini-ITX, Mini-DTX Support
  • 3 x Expansion Slots
  • 1 x 3.5" Drive Bay
  • 1 x 2.5 / 3.5" Combo Drive Bay
Enjoy big case performance in a compact form with the black Cooler Master MasterBox NR200 Mini-ITX Case. Cooler Master offers an alternative to large computer cases by maintaining popular features such as accessibility, customization, and ventilation while saving you precious space. Mini-DTX and Mini-ITX motherboard support up to 9.6 x 8.8" gives you plenty of options when choosing small-scale components. The removable steel frame panels give you complete 360-degree accessibility, allowing you to take advantage of every inch of this case. The multiple 2.5 and 3.5" drive bays can be configured to fit an array of solid state and hard disk drives.
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Cooler Master NR200 Overview

Enjoy big case performance in a compact form with the black Cooler Master MasterBox NR200 Mini-ITX Case. Cooler Master offers an alternative to large computer cases by maintaining popular features such as accessibility, customization, and ventilation while saving you precious space. Mini-DTX and Mini-ITX motherboard support up to 9.6 x 8.8" gives you plenty of options when choosing small-scale components. The removable steel frame panels give you complete 360-degree accessibility, allowing you to take advantage of every inch of this case. The multiple 2.5 and 3.5" drive bays can be configured to fit an array of solid state and hard disk drives.

Triple-slot graphics cards up to 12.99" long can fit within the MasterBox while providing ample room for liquid cooling systems. Airflow is prioritized with one 92mm rear fan and one 120mm top fan preinstalled in the case. Two USB 3.2 Gen 1 Type-A ports rest at the top of the chassis along with a 3.5mm headset jack, granting easy access for peripheral connectivity.

360 Degree Accessibility
Easily dismantle every panel and frame part of the NR200, providing you easy access to the inside of the chassis. Frame parts are held in with screws and can be removed, giving you multiple angles while you build.
Big Case in Less Space
The MasterBox NR200 takes all the features found in large chassis cases and packs them in a smaller package. Multiple fan mounts and open ventilation produces maximum airflow while offering ample room for water-cooling, air-cooling, and triple-slot graphics card clearances.
Tool-Free Access
Gain quick access to each piece of this steel case without tools. External panels and top mounted fans utilize pins for easy removal.
Multiple Build Options
Multiple mounting locations allows you to utilize liquid cooling along the side and bottom of the compact enclosure. Power supply units with a maximum size of 9.6 x 8.8" can be front mounted providing you with extra motherboard clearance. Up to 7 fans can be accommodated, adding additional ventilation options and keeping your system cool.
Flexible Hard Drive Array
Multiple drive bays allow you to connect an array of multiple hard drives. The combo bay allows you to store up to three 2.5" solid state drives, or two 3.5" hard disk drives. You may even mix and match between solid state and hard disk drives depending on your configuration.
Customization
Cooler Master give owners freedom of customization by allowing the installation of additional fans, interchangeable side panels, and even providing plans so you can 3D print a series of feet for your case.
UPC: 884102079054

Cooler Master NR200 Specs

Key Specs
Motherboard Support
Mini-DTX, Mini-ITX
Internal Drive Bays
1x 2.5/3.5"
Drive Mounting (Non-Bay)
Side
2x 2.5"
or
1x 3.5"
Expansion Slots
3x Full Height Horizontal
Maximum GPU Length
12.99" / 330 mm
CPU Cooler Height
6.10" / 155 mm
Fans Included
Rear:
1x 92 mm Non-LED (2300 rpm)
Top:
1x 120 mm Non-LED (1800 rpm)
I/O
2x USB-A (USB 3.0 / 3.1/3.2 Gen 1)
1x 3.5 mm Input/Output
Windowed Panel
No
Compatibility
Motherboard Support
Mini-DTX, Mini-ITX
External Drive Bays
No
Internal Drive Bays
1x 2.5/3.5"
Drive Mounting (Non-Bay)
Side
2x 2.5"
or
1x 3.5"
Expansion Slots
3x Full Height Horizontal
Maximum GPU Length
12.99" / 330 mm
CPU Cooler Height
6.10" / 155 mm
Supported PSU Size
SFX-L
Maximum PSU Length
5.12" / 130 mm
PSU Mounting Location
Top
Cooling
Fan Mounting
Bottom
2x 120 mm
Rear
1x 92 mm
Side
2x 120/140 mm
Top
2x 120 mm
Fans Included
Rear:
1x 92 mm Non-LED (2300 rpm)
Top:
1x 120 mm Non-LED (1800 rpm)
Maximum Radiator Size
Bottom:
240 mm
Rear:
92 mm
Side:
280 mm
Fan Controller Included
No
Filters Included
Yes: Bottom, Side, Top
Inputs / Outputs
I/O
2x USB-A (USB 3.0 / 3.1/3.2 Gen 1)
1x 3.5 mm Input/Output
Physical
Windowed Panel
No
Color
Black
Material
Plastic, Steel
Built-In Lighting
No
Tool-Less Design
Yes: Thumbscrews
Security
No
Cable Management Space
No
Dimensions (W x H x D)
14.8 x 7.28 x 11.5" / 376 x 185 x 292 mm
Weight
10.14 lb / 4.6 kg
Packaging Info
Package Weight
12.135 lb
Box Dimensions (LxWxH)
17.1 x 13.6 x 9.9"

Cooler Master NR200 Reviews

Both inner and outer box were intact but the case was badly bent.

By Christopher
Rated 1 out of 5
Date: 2025-12-12

As I stated above both inner and outer box were undamaged. Yet the case was badly bent. Best way I can describe it. The side hard drive/fan rail was buckled an basically scrap metal. The case would sit on only three feet while the fourth foot was about an inch higher. For the $50 that the case cost I basically decided it wan't worth the hassle of returning it. I straightened it the best I could and put my parts in it. I don't blame B&H I blame Cooler Master.

CM MB NR200 + Hyper 212 BE = Match Made in Heaven

By Linus
Rated 5 out of 5
Date: 2024-09-08

My previous case and CPU cooler was a Lian Li A4-H2O and a Corsair H100i RGB Elite 240 AIO. The AIO pump was annoyingly audible and didn't do much to cool the rest of that hot box. After moving my components to the NR200 and ditching the AIO for the Hyper 212 BE, even after ASUS fan tuning and enabling Q-Fan Control, all my temps are 15-20 degrees C lower. I am running it with 1 additional Cooler Master SickleFlow 120 as a second top exhaust. Despite it being a bit bigger, the extra volume is appreciated for more airflow and running CPU tower coolers like the Hyper 212 BE. It still fits in my desk cabinet, has more internal storage expandability, and looks fantastic. I especially love how easy it is to get into for quick servicing and cleaning the magnetic dust filters. The side bracket can't be used with the Hyper 212 BE; I was initially planning to add another intake fan but frankly isn't needed. Major kudos to B&H for the phenomenal shipping. The NR200 branded shipping box was packed inside an unbranded shipping box with additional packaging and the branded box was immaculate upon arrival. Most other retailers would have just shipped it in the branded shipping box. I'm running the NR200 and Hyper 212 BE with the components below. Motherboard: ASUS ROG Strix B550-I Gaming GPU: ASUS ROG Strix Radeon RX 6700 XT OC Edition 12GB GDDR6 CPU: AMD Ryzen 7 5700X3D RAM: Corsair Vengeance LPX 32GB DDR4 3600MHz PSU: Corsair SFX Platinum 750W SSD: Samsung 990 Pro 2TB M.2 NVMe

See any errors on this page?

Is the exterior finish of this case matte/smooth ...

Is the exterior finish of this case matte/smooth or textured/satin?
Asked by: Jon
Please zoom up on the photo and you can see the difference between the top and the front.
Answered by: Daniel
Date published: 2021-01-13

Will the MSI H510I PRO WIFI LGA 1200 Mini-ITX ...

Will the MSI H510I PRO WIFI LGA 1200 Mini-ITX Motherboard fit in this Case? If so, what cooling fan will fit on the Intel Core?
Asked by: Blair
Yes, the MSI H510I PRO WIFI LGA 1200 Mini-ITX Motherboard can fit in the Cooler Master MasterBox NR200 Mini-ITX Mini-Tower Case . Choosing a CPU cooler will depend on what CPU you are going to use, but this Pure Rock 2 is a good example that can fit with good cooling performance and low noise for most use: https://bhpho.to/3XHHrS1
Answered by: Jordan K
Date published: 2023-02-21

Can i put msi h410m pro vh on it?

Can i put msi h410m pro vh on it?
Asked by: Akbarz
The Cooler Master MasterBox NR200 is only rated for Mini-ITX and Mini DTX form factors. The MSI H410M Pro VH is a Micro-ATX form factor and may not fit properly or have mount points in the correct places.
Answered by: Michael M
Date published: 2021-11-04
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