Cooler Master MasterBox Q300L
$44.98
A compact ATX case designed for versatile builds with excellent airflow.
49 in stock
Compact and Versatile Design
The Cooler Master MasterBox Q300L is an affordable ATX case that doesn’t sacrifice performance for price. With a mesh front panel and a transparent side window, it offers great visibility and airflow, keeping your components cool during intense gaming sessions.
- Supports up to six fans for optimal cooling
- Removable dust filters to maintain cleanliness
- Multiple configurations for storage and drives
| Weight | 12.5 kg |
|---|---|
| Dimensions | 15.7 × 8.3 × 16.7 cm |
| Material | Steel, Plastic |
| Color | Black |
| Form Factor | ATX |
| Max GPU Length | 15.2 inches |


Alex K. –
Great budget case! Easy to build in and looks sleek.
Jordan M. –
Perfect for my mini setup, very spacious and well-designed.
Riley S. –
Decent airflow but a bit noisy under load.