Cooler Master MasterBox MB311L ARGB Mini Tower Black

£55.73 (£46.44 + VAT)

Cooler Master MasterBox MB311L ARGB. Form factor: Mini Tower, Type: PC, Product colour: Black. Power supply location: Bottom, Supported power supply form factors: ATX. Front fans installed: 2x 120 mm, Front fans diameters supported: 120,140 mm, Rear fans diameters supported: 120 mm. Supported HDD sizes: 2.5,3.5″. Width: 217.5 mm, Depth: 435.5 mm, Height: 410 mm

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SKU: MCB-B311L-KGNN-S01 Category:

Product Information

Gaming On Wide-Open Throttle
The MasterBox MB311L ARGB is a Micro-ATX airflow PC case pre-installed with two ARGB fans and made to be built with the latest gaming hardware. The front panel’s façade is made entirely of Fine Mesh, placed between two honeycomb vents on either side to maximize airflow. Since running the latest games, smoothly, means keeping the latest hardware efficiently cooled, top panel ventilation offers the option to add even more cooling hardware—if nothing is mounted, the top panel acts as passive ventilation.

The internal layout was engineered for a high compatibility for the latest gaming hardware while also accounting for future upgrades. Following in the principles of the award-winning MB Series, versatility is paired with presentation to ensure that any gaming system built inside the MasterBox MB311L ARGB looks as good as it performs.

Fine Mesh Front Panel
Cooler Master’s Fine Mesh design on the front panel is proven to provide proficient airflow while filtering out dust.

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

Optimized Airflow
Airflow is optimized by a collaboration between the Fine Mesh front panel, additional mesh intakes, top panel ventilation, and rear exhaust.

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.

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. * Fine Mesh Front Panel
* Mesh Intakes
* Dual ARGB Fans
* Optimized Airflow
* Tempered Glass Side Panel
* Adaptable Drive Cage
* Versatile Cooling Options
* Room For Upgrades


Number of expansion slots


Power supply location


HDD/SSD combo cage


Supported HDD sizes


Number of top fans supported (max)


Top fans diameters supported

120,140 mm

Maximum PSU length

32.5 cm

Number of front fans supported (max)




Front fans installed

2x 120 mm

Top radiator fan sizes supported

120,240 mm

Audio input


Supported power supply form factors


USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity


Rear radiator fan sizes supported

120 mm

Number of rear fans supported (max)


Power supply included


Maximum graphics card length

34.4 cm

Rear fans diameters supported

120 mm

Illumination colour


Side window



Anti-dust filter


Product colour


Number of 3.5" bays


Audio output


Maximum CPU cooler height

16.6 cm

Front radiator fan sizes supported

120,140,240,280 mm

Form factor

Mini Tower

Number of 2.5" bays


Illumination location

Case fans

Front fans diameters supported

120,140 mm

Supported motherboard form factors

micro ATX, Mini-ITX




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