Cooler Master
Cooler Master MCW-L3S3-KGNN-00 MasterBox Lite 3.1 TG mATX Case
Build with Style and PerformanceThe Cooler Master MasterBox Lite 3.1 TG mATX Case offers a balance of aesthetics, customization, and functionality for your PC build. With a Dark Mirror front panel, customizable trim colors, and a tempered glass side panel, this case lets you showcase your compone...
$98.04*
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*Price sourced from Amazon.com. Last updated:Aug 28, 2026.Price and availability are subject to change — details.
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Overview
Build with Style and Performance
The Cooler Master MasterBox Lite 3.1 TG mATX Case offers a balance of aesthetics, customization, and functionality for your PC build. With a Dark Mirror front panel, customizable trim colors, and a tempered glass side panel, this case lets you showcase your components while maintaining optimal cooling.
Specifications:
- Form Factor: mATX
- Front Panel: Dark Mirror
- Side Panel: 4mm Tempered Glass
- Customization: Three Trim Colors Included
- Cooling Support: Up to 3 Fans, Water Cooling Compatible
Key Features
Dark Mirror front panel : Stand out and be unique; Your case doesn't have to look boring
Customizable trim colors : Choose from 3 distinct colors to suit your style, all included in the box
4 millimeter thick edge to edge Tempered glass side panel : Show off your build in style, and have easy access to your components in case things go haywire
Support for 3 fans & water cooling : 3 120 millimeter fans and front water cooling support ensure that you don't have to compromise on performance
Graphics card support up to 380 millimeter : You won't ever have to worry about the fit of your graphics card, with support for even the largest, widest cards
Specifications
Model
MCW-L3S3-KGNN-00
Form Factor
mATX Case
Front Panel
Dark Mirror
Side Panel
4mm Tempered Glass (edge-to-edge)
Customizable Trims
3 distinct colors (included)
Fan Support
Up to 3 x 120mm fans
Water Cooling Support
Front
Graphics Card Support
Up to 380mm
Frequently Asked Questions
What type of motherboard does the MasterBox Lite 3.1 TG mATX Case support?
This case is designed for micro-ATX (mATX) motherboards, as indicated by its designation as an mATX case.
Can I customize the appearance of the Cooler Master MasterBox Lite 3.1?
Yes, the case comes with three distinct customizable trim colors included in the box, allowing for personalization.
What is the benefit of the 4mm tempered glass side panel on this case?
The 4mm thick edge-to-edge tempered glass side panel allows users to stylishly display their internal components and offers easy access.
How much space is available for installing a graphics card in this PC case?
The MasterBox Lite 3.1 TG mATX case supports graphics cards up to an impressive length of 380 millimeters.
Does this case support liquid cooling solutions for system components?
Yes, the Cooler Master MasterBox Lite 3.1 TG case offers support for front water cooling solutions to manage thermal performance.
How many fans can be installed in the MasterBox Lite 3.1 TG for cooling?
The case provides support for up to three 120 millimeter fans to assist with internal airflow and cooling.
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