MasterBox Q300L
Choose Your Style
The MasterBox Q300L is your straightforward option in the MasterBox Q-series from Cooler Master, a series that might be small in size but excels in functionality, modularity, and thermal performance. The combination of a practical design and the unique customizable aesthetic makes the Q300L the perfect choice for office and home use.
- Magnetic Dust Filters
- 6-Orientation I/O Panel
- Edge-to-Edge Acrylic Side Panel
- Routing Space
- Thermal Performance
- ATX PSU Support
- CPU Cooler: 159mm, GPU 360mm, Radiator Support Front: 120mm/240mm, Rear: 120mm
- Motherboard Support: Micro-ATX, Mini-ITX
Make It Yours.
We’re all about the things that make building a PC such a rewarding experience. The sense of achievement. The joy of making and creating something uniquely yours in form and function and, of course, the thrill of bringing your creation to life without melting your components.
Versatile Cooling
Versatile mounting options on Top, Bottom and Rear. Fit up to 240mm Liquid Cooler to stay ahead of the game.
Components Clearance
Supports CPU coolers up to a height of 159mm, graphics cards up to a length of 360mm, and power supplies up to a length of 160mm.
Roomy Interior
Support for Micro-ATX or Mini-IT length motherboards for upgrades to stay ahead of the game.
Open Thermal Design
The open design of the perforated front, top and bottom assures excellent thermal airflow.
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