– Colour: Black
– Material: Steel, Plastic, Mesh
– Tempered Glass Side Panels
Mini-Tower Form Factor
Supports Micro-ATX, Mini ITX Motherboards
– 2x USB 3.2 Gen 1, 1x 3.5mm Audio Jack, 1x 3.5mm Mic Jack
1x ARGB 2-to-3 splitter, 1x ARGB Controller
– PSU Clearance: Up to 325mm
– CPU Cooler Clearance: Up to 166mm
– Maximum GPU Length: Up to 344mm
2x 120mm ARGB Fans Included
2 Year Warranty

In stock


Brand Cooler Master
Series MasterBox MB311L
Model MCB-B311L-KGNN-S02
Physical Details
Colour Black
Materials Steel, Mesh, Plastic
Side Panel Tempered Glass
I/O Ports 2x USB 3.2 Gen 1
2x 1x 3.5mm Jack
1x ARGB 2-to-3 splitter
1x ARGB Controller
Motherboard Support Micro ATX, Mini ITX
Expansion Slots 4
Drive Bays 2x 2.5″/3.5″ Drive Bay Combo
2x 2.5″ Drive Bays
PSU Support 140mm (HDD cage in backmost position)
325mm (w/o front radiator & HDD cage)
Dimensions 366.5mm x 210mm x 400mm
Weight 5.47Kg
Pre-Installed Fans
Front 2x 120mm ARGB Fan
Fan Support
Front 2x 120mm,2x 140mm
Top 3x 120mm, 2x 140mm
Rear 1x 120mm
Radiator Support
Front Up to 280mm
Top Up to 240mm
Rear 120mm
CPU Cooler Height Limitation 166mm
GPU Length Limitation 344mm
Cable Management 18-22mm
Dust Filters Top, Front, Bottom
Features ARGB Controller
Adaptable Drive Cage
Large Mesh Intakes
Warranty Information
Warranty 2 Year Warranty


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