Cooler Master MasterBox MB320L ARGB Mini Tower, Black, Mini Tower, 2 x USB 3.2 Gen 1 Type-A, Tempered Glass Side Window Panel & DarkMirror Front Panel, 2 x Addressable RGB Fans Included
SKU: 13105094710

Cooler Master MasterBox MB320L ARGB Mini Tower, Black, Mini Tower, 2 x USB 3.2 Gen 1 Type-A, Tempered Glass Side Window Panel & DarkMirror Front Panel, 2 x Addressable RGB Fans Included

Sale price$72.31 Regular price$80.35
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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

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Description

Cooler Master MasterBox MB320L ARGB Mini Tower, Black, Mini Tower, 2 x USB 3.2 Gen 1 Type-A, Tempered Glass Side Window Panel & DarkMirror Front Panel, 2 x Addressable RGB Fans IncludedMASTERBOX 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

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.

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.

Model Number
MCB-B320L-KGNN-S02

Series
MasterBox Series

Form Factor
Micro Tower

Colour
Black

Materials
Plastic
Tempered Glass
Mesh

Dimensions ( L x W x H )
366.5 x 210 x 400mm

Weight
5.47kg

Motherboard Support
Micro ATX
Mini-ITX

Expansion
Slots: 4

Drive Bays
5.25": N/A
2.5"/3.5" (Combo): 2
2.5": 2

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

Pre-Installed Fans
Front: 2 x 120mm ARGB Fan

Fan Support
Top: 2 x 120mm / 140mm
Front: 3 x 120mm / 2 x 140mm
Rear: 1 x 120mm

Radiator Support
Top: 120mm / 240mm
Front: 120mm / 140mm / 240mm / 280mm
Rear: 120mm

Clearance
CPU Cooler: 166mm
PSU: 140mm (HDD cage in backmost position) / 325mm (w/o front radiator & HDD cage)
GFX: 344mm
Cable Routing: 18-22mm

Dust Filters
Top
Bottom
Front

Power Supply Support
Bottom mount
ATX
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 13105094710

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Verified Purchase
Tracy Kroken
Carnegie, US
★★★★★ 4
It works as it should.
Color: Gravel Black
It's what I was looking for. I cut the small foam stickers to keep it from moving around on counter into pieces & put the on the bottom works well. It did chance color? like white stained?
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
D
Verified Purchase
d
Alexandria, US
★★★★★ 5
Fits and works!
Color: Gravel White
Like it. Fits on edge my sink...
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
S
Verified Purchase
stephen schwindt
Birmingham, US
★★★★★ 5
Perfection!
Color: Gravel Black
It works well. Is solidly constructed. Reasonably priced. Beautiful to behold.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 3, 2025
K
Verified Purchase
Kate
San Leandro, US
★★★★★ 1
Soap stains wont wash off
Color: Gravel Black
Like the looks of it but gets easily stained with the soap and wont come off.
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Reviewed in the United States on December 4, 2025
R
Verified Purchase
Ronald D Smith Jr
Boise, US
★★★★★ 5
Perfect
Size: 16 Inch
Exactly what I ordered, took just a few minutes to assemble and mount the legs. Love that the bottoms can be manipulated to give a balanced stance.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 23, 2026

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