Cooler Master MasterBox Q300L
$53.18
A compact, versatile micro-ATX case with excellent airflow.
23 in stock
Compact Yet Spacious
The Cooler Master MasterBox Q300L is designed for gamers and builders who need a versatile case that doesn’t compromise on functionality. This micro-ATX case features a perforated mesh front panel that provides exceptional airflow to keep your components cool, while its transparent side panel allows for a view of your stunning build.
- Supports a variety of cooling configurations
- Multiple USB ports for easy access
- Compatible with standard ATX power supplies
Whether you’re building a gaming rig or a workstation, the Q300L offers enough room for expansion with its various drive bays and GPU clearance. The customizable RGB lighting options further enhance its aesthetic appeal, making it a great choice for any setup.
| Weight | 13.2 kg |
|---|---|
| Dimensions | 15.5 × 8.3 × 17.5 cm |
| Material | Steel, Plastic |
| Form Factor | Micro-ATX |
| Max GPU Length | 15.2 inches |
| Cooling Support | Up to 6 fans |


Jake P. –
Great case for the price! Easy to build in and looks good.
Lisa R. –
It’s a bit small for larger components but overall a decent choice.
Tom S. –
Fantastic airflow and the design is sleek!