Description
Compact Design for Enhanced Airflow
The Cooler Master MasterBox Q300L is designed for easy building and efficient cooling. Its removable dust filters and mesh panels provide excellent airflow to keep your components running cool. This case supports multiple cooling configurations and is compatible with a variety of components.
Features and Specifications
- Micro-ATX and Mini-ITX compatibility
- Removable dust filters
- Support for up to 6 fans
- Multiple USB ports for easy access

John D. –
Great case for the price! Easy to assemble and offers good airflow.
Sarah P. –
Perfect size for my compact build, love the modular design.
Mike R. –
Solid build but could use better cable management options.