Cooler Master MasterBox Q300L Micro-ATX Tower
Micro-ATX/Mini-ITX case with transparent side panel and adjustable I/O for versatile airflow. Notable for compact size and ease of build, with mixed feedback on airflow and cable management
Highlights
- transparent side panel
- supports 240mm cooling
- maximum GPU and PSU compatibility
Pros
- ample interior space for micro-ATX or mini-ITX
- transparent acrylic side panel
- adjustable I/O and fully vented design
- supports 240mm liquid cooler and 5 fans
- compact yet versatile for first builds
Cons
- mixed reviews on airflow adequacy
- mixed reviews on cable management
Best For
Features
- Generous interior for Micro-ATX or Mini-ITX motherboards to support future expansion
- CPU cooler height up to 159mm, GPU length up to 360mm, PSU up to 160mm
- Supports 240mm liquid cooler and up to five fans for cooling options
- Modular I/O panel can be positioned at front, top, or bottom on either side
- Transparent acrylic side panel showcases the build