Better After Darkmirror

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

A New Shade Of Lighting
The MasterBox MB320L is a Micro-ATX PC case with 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 optional fans mounted 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 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.
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 (re)movable, 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.
Product Name MasterBox MB320L
Product Number MCB-B320L-KGNN-S00
Exterior Color Black
Materials - Body Steel, Mesh, Plastic
Materials - Windowed Side Panel Tempered Glass
Dimensions (LxWxH) - incl. Protrusions 435.5 x 217.5 x 410mm
Dimensions (LxWxH) - excl. Protrusions 366.5 x 210 x 400mm
Volume (Liters excl. Protrusions) 30.79L
Motherboard Support Mini-ITX, Micro-ATX
Expansion Slots 4
5.25" Drive Bays (ODD) N/A
3.5"/2.5" Drive Bays (Combo) 2
2.5" Drive Bays (SSD) 2
I/O Panel - USB Ports 2 x USB 3.2 Gen 1 (USB 3.0)
I/O Panel - Audio In / Out 1x 3.5mm Audio Jack
1x 3.5mm Mic Jack
I/O Panel - Other Reset Switch
Pre-installed Fan(s) - Top N/A
Pre-installed Fan(s) - Front N/A
Pre-installed Fan(s) - Rear 1 x 120mm
Pre-installed Fan(s) - Bottom N/A
Fan Support - Top 2 x 120mm / 2 x 140mm
Fan Support - Front 3 x 120mm* / 2 x 140mm
(*can only mount behind the front plate)
Fan Support - Rear 1 x 120mm
Radiator Support - Top 120 / 240mm
Radiator Support - Front 120 / 140 / 240 / 280mm
Radiator Support - Rear 120mm
Clearances - CPU Cooler 166mm
Clearances - Power Supply 325mm (w/o front radiator & drive cage)
140mm (drive cage in backmost position)
Clearances - Graphics Card 344mm
Cable Routing - Behind MB Tray 18~22mm
Dust Filters Front, Top, Bottom
Power Supply Support Bottom Mount, ATX
Warranty 2 years
EAN Code 4719512097281
UPC Code 884102069581