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  1. Home
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  3. MasterBox MB311L ARGB "2021 Upgrade"

MasterBox MB311L ARGB "2021 Upgrade"

Gear up, cool off

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

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Gaming On Wide-Open Throttle

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

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

Mesh Intakes

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

Dual ARGB Fans

Dual ARGB Fans

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

Optimized Airflow

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

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

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

Versatile Cooling Options

Support for up to six fans and front, top, and rear radiator support ensure that performance is not compromised.

Fans
 Radiators

Room For Upgrades

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.

SickleFlow PWM Fans Included

SickleFlow PWM Fans Included

Newly Optimized blade design with updated curve that provides best balance between airflow and static pressure to take the heat away while remain extremely silence.

  • Specifications
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Specifications
Series MasterBox Series
Size Mini Tower
Color(s) Black
Materials Steel, Mesh, Plastic, Tempered Glass
Dimensions (L x W x H) 435.5 x 217.5 x 410mm
Weight 5.47kg
Motherboard Support Micro ATX, Mini ITX
Expansion Slots 4
5.25" Drive Bays N/A
3.5" Drive Bays 2
2.5" Drive Bays 2
I/O Panel 2 x USB 3.2 Gen 1 (USB 3.0), 1 x 3.5mm Audio Jack, 1 x 3.5mm Mic Jack, 1 x ARGB 2-to-3 Splitter, 1x ARGB/PWM Hub (may depend on region and model)
Pre-installed Fans - Front 2x 120mm 650~1800RPM SickleFlow PWM ARGB
Fan Support - Top 2x 120/140mm
Fan Support - Front 3x 120mm, 2x 140mm
Fan Support - Rear 1x 120mm
Radiator Support - Top 120mm, 240mm
Radiator Support - Front 120mm, 140mm, 240mm, 280mm
Radiator Support - Rear 120mm
Clearance - CPU Cooler 166mm/6.54"
Clearance - PSU 140mm (HDD cage in backmost position), 325mm (w/o front radiator & HDD cage)
Clearance - GFX 344mm
Cable Routing 18-22mm
Dust Filters Top, Front, Bottom
Power Supply Support Bottom Mount, ATX
Warranty 2 years
Downloads
  • MasterBox MB311L ARGB - Product Sheet (ARGB Controller SN before MCBB311LKGNNS0212134000081)
  • MasterBox MB311L ARGB - Product Sheet (ARGB PWM Hub SN after MCBB311LKGNNS0212134000081)
  • MasterBox MB311L ARGB - Manual
  • Small ARGB Controller - Product Sheet
  • ARGB PWM HUB - Product Sheet
EAN / UPC
Model Number EAN UPC
MCB-B311L-KGNN-S01 (w/o Controller) 4719512097298 884102069598
MCB-B311L-KGNN-S02 (with Controller) 4719512097595 884102069895

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