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Cooler Master MasterBox MB320L ARGB Mini Tower PC Case - supports mATX and MINI ITX, CPU Cooling upto 166mm, Graphics Card upto 344mm, 2 X ARGB Fans with Controller , Dual USB 3.0 Front, NO PSU

Tags: Cooler Master, MasterBox, MB320L, ARGB, Mini Tower, PC Case,

Cooler Master MasterBox MB320L ARGB Mini Tower PC Case - supports mATX and MINI ITX, CPU Cooling upto 166mm, Graphics Card upto 344mm, 2 X ARGB Fans with Controller , Dual USB 3.0 Front, NO PSU

  • Brand: Cooler Master
  • SKU: 185804
  • MPN: MCB-B320L-KGNN-S02
  • Availability: Out of Stock
    • Auckland Branch: 0
    • Wellington Branch: 0
    • Logistic Centre: 0
Available from
$ per week


Masterbox MB320L ARGB - Better After Darkmirror

- DarkMirror Front Panel
- Mesh Intakes
- Dual ARGB Fans
- Tempered Glass Side Panel
- Adaptable Drive Cage
- Versatile Cooling Options
- Room For Upgrades

A New Shade of Lighting

The MasterBox MB320L ARGB is a Micro-ATX PC case with two pre-installed ARGB fans and honeycomb mesh ventilation on either side of the DarkMirror front panel. The DarkMirror front panel is smoked a shade darker to sharpen the contrast of the ARGB fans pre-installed behind it, highlighting its best features.

A high potential for both air-cooled and liquid-cooled builds comprise of front, top, and rear ventilation with the possibility to mount additional fans and radiators. Upholding the award-winning principles of the MB Series, versatility is paired with presentation to ensure that any gaming system built inside the MasterBox MB320L ARGB looks as good as it performs.

Darkmirror Front Panel

The DarkMirror front panel shades light to add contrast to illuminated components.

Mesh Intakes

Large, mesh intakes span each side of the front panel to provide additional airflow to system.

Dual ARGB Fans

Two pre-installed 120mm ARGB fans can be managed by the motherboard, connected by the included splitter, to create a comprehensive ARGB lighting system.

Tempered Glass Side Panel

Hardware, custom-loop cooling, and the pure pride of the builder is shown in panoramic view through an edge-to-edge tempered glass side panel.

Adaptable Drive Cage

The drive cage is able to shift toward the front to accommodate for PSU space, backwards to provide additional radiator space, or even completely removed.

Versatile Cooling Options

Support for up to six fans and front, top, and rear radiator support ensure that performance is not compromised.to provide additional radiator space, or even completely removed.

Room for Upgrades

Support for up to a 344mm graphics card, a 166mm CPU cooler, and up to a 325mm PSU in length provides room for upgrades to stay ahead of the game.


ARGB Controller

The small ARGB Controller is a mini-sized controller that allows your Addressable RGB such as fans and LED strips to be powered and controlled even in PC systems without an A-RGB capable motherboard.?

The controller comes with 14 lighting presets to make full use of the Addressable LEDs in the system and also allows to be completely switched off by long pressing its button.?

It is also possible to attach any external 2pin button to it to be able to switch presets without having to open the system. For ease of use, Cooler Master allows the RESET button to be optionally connected to the controller and used as an external ARGB preset switch button.



MasterBox Series


Mini Tower




Tempered Glass

Dimensions (L x W x H)

435.5 x 217.5 x 410mm, 366.5 x 210 x 400mm



Motherboard Support

Micro ATX
Mini ITX

Expansion Slots


5.25" Drive Bays


2.5" / 3.5" Drive Bays (Combo)


2.5" Drive Bays


I/O Panel

2x USB 3.2 Gen 1 (formerly USB 3.0)
1x 3.5mm Audio Jack
1x 3.5mm Mic Jack
1x ARGB 2-to-3 splitter
1x ARGB Controller (only for the S02 versions)

Pre-Installed Fans - Front

2x 120mm ARGB Fan

Fan Support - Top

2x 120/140mm

Fan Support - Front

3x 120mm, 2x 140mm

Fan Support - Rear

1x 120mm

Radiator Support - Top


Radiator Support - Front


Radiator Support - Rear


Clearance - CPU Cooler


Clearance - PSU

140mm (HDD cage in backmost position), 325mm (w/o front radiator & HDD cage)

Clearance - GFX


Cable Routing


Dust Filters

Top, Bottom, Front

Power Supply Support

Bottom mount, ATX

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